WO2021056836A1 - Ensemble d'accouplement optique et ensemble de transmission optique - Google Patents

Ensemble d'accouplement optique et ensemble de transmission optique Download PDF

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Publication number
WO2021056836A1
WO2021056836A1 PCT/CN2019/124126 CN2019124126W WO2021056836A1 WO 2021056836 A1 WO2021056836 A1 WO 2021056836A1 CN 2019124126 W CN2019124126 W CN 2019124126W WO 2021056836 A1 WO2021056836 A1 WO 2021056836A1
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WO
WIPO (PCT)
Prior art keywords
optical
component
coupling
assembly
coupling end
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PCT/CN2019/124126
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English (en)
Chinese (zh)
Inventor
孙莉萍
胡强高
朱虎
马洪勇
周日凯
Original Assignee
武汉光迅科技股份有限公司
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Publication of WO2021056836A1 publication Critical patent/WO2021056836A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4287—Optical modules with tapping or launching means through the surface of the waveguide
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters

Definitions

  • the present invention relates to the field of optical communication, in particular to an optical coupling component and a light emitting component.
  • the data module rate is upgraded from 100G to 400G, the circuit elements in the data module are increasing, and the packaging space for optical devices becomes smaller and smaller.
  • CWDM sparse wavelength division multiplexer
  • the embodiments of the present disclosure desirably provide an optical coupling component and a light emitting component.
  • An embodiment of the present disclosure provides an optical coupling component, the optical coupling component includes
  • the optical waveguide component has a first coupling end surface, and the first coupling end surface is used for optical signal output;
  • a reflecting component which is arranged opposite to the first coupling surface, and is used to reflect the optical signal output from the first coupling end surface;
  • the optical fiber component has a second coupling end surface disposed opposite to the reflection component, and is on the same side of the reflection component as the optical waveguide component, wherein the second coupling end surface is used for supplying the reflection component
  • the reflected optical signal enters the optical fiber contained in the optical fiber assembly.
  • the reflective component has a first optical surface and a second optical surface
  • the first optical surface and the second optical surface are respectively located on opposite sides of the reflective component
  • the reflecting component is used to collimate the optical signal entering from the first optical surface; and reflect the optical signal after being aligned by the second optical surface, and the reflected optical signal passes through the first optical surface.
  • An optical surface is output to the second coupling end surface.
  • the first optical surface is an optical surface coated with an anti-reflection coating
  • the second optical surface is an optical surface coated with a reflective film.
  • the first optical surface is fixedly connected to the first coupling end surface or the second coupling end surface.
  • the focal plane of the reflective component is on the first optical surface
  • the focal plane of the reflective component is located in the reflective component, and the distance from the first optical surface is within the first distance range;
  • the focal plane of the reflective component is located outside the reflective component, and the distance from the first optical surface is within the second distance range.
  • first coupling end surface and the second coupling end surface are object images to each other with respect to the reflective component.
  • first coupling end surface and the second coupling end surface have the same polishing angle, and the first coupling end surface and the second coupling end surface are located on the same plane.
  • the reflective component is a reflective component formed of a graded refractive material.
  • the reflection component includes:
  • the lens module is located between the optical waveguide component and the reflection module, and is used for inputting the optical signal output by the first coupling end face;
  • the reflection module is used to reflect the light signal passing through the lens module and output to the lens module by reflection;
  • the lens module is also used to output the reflected optical signal to the second coupling end surface.
  • the embodiments of the present disclosure provide a light emitting component, the light emitting component includes at least an optical signal generating component, a lens component, and the optical coupling component provided in the above embodiments.
  • the optical coupling component includes: an optical waveguide component, a reflective component, and an optical fiber Components, of which,
  • the optical signal generating component is used to generate at least one optical signal
  • the lens assembly is located on a side of the optical signal generating assembly facing the optical waveguide assembly, and is used to converge the at least one optical signal onto the optical waveguide assembly;
  • the optical waveguide component is configured to receive the at least one optical signal and output it to the reflection component;
  • a reflective component arranged on the side of the optical waveguide component facing the lens component, and used to reflect the optical signal output from the optical waveguide component;
  • the second coupling end face of the optical fiber assembly is arranged on the optical waveguide assembly, and is used for the optical signal reflected from the reflection assembly to enter the optical fiber contained in the optical fiber assembly.
  • the optical waveguide component has at least one input port and one output port, and the at least one input port and the output port are located on the same side of the optical waveguide component;
  • the optical waveguide component is configured to couple at least one optical signal input from the at least one input port, and output the coupled optical signal to the reflection component through the output port.
  • the optical waveguide component includes: an arrayed waveguide grating component, a diffraction-etched grating component or a Mach-Zehnder interferometer MZI-level combined wave component.
  • An optical coupling component and a light emitting component provided by an embodiment of the present disclosure include an optical waveguide component having a first coupling end surface, and the first coupling end surface is used for outputting an optical signal; a reflective component and a first coupling surface Oppositely arranged for reflecting the optical signal output from the first coupling end face; the optical fiber assembly has a second coupling end face arranged opposite to the reflecting assembly and on the same side of the reflecting assembly as the optical waveguide assembly, wherein the second coupling end face, It is used for the optical signal reflected from the reflective component to enter the optical fiber contained in the optical fiber component.
  • the embodiment of the present disclosure reflects the optical signal output from the first coupling surface to the second coupling end surface through the reflection component, so that the optical waveguide component and the optical fiber component on the same side can realize the coupling of the optical signal.
  • the package length during coupling is composed of an optical waveguide component and an optical fiber component, and at least the length of the overlapping portion of the optical waveguide component and the optical fiber component is reduced, thereby effectively reducing the package length of the optical coupling component.
  • FIG. 1 is a schematic structural diagram of an optical coupling component according to an embodiment of the disclosure
  • FIG. 2 is a schematic cross-sectional view of an optical coupling component proposed by an embodiment of the disclosure
  • FIG. 3 is a first schematic diagram of a reflective component in an optical coupling component according to an embodiment of the disclosure
  • FIG. 4 is a second schematic diagram of a reflective component in an optical coupling component according to an embodiment of the disclosure.
  • FIG. 5 is a third schematic diagram of a reflective component in an optical coupling component according to an embodiment of the disclosure.
  • FIG. 6 is a schematic structural diagram of a light emitting component proposed by an embodiment of the disclosure.
  • FIG. 7 is a schematic diagram of an optical waveguide component in a light emitting component proposed by an embodiment of the disclosure.
  • FIG. 1 is a schematic diagram of an optical coupling component proposed by an embodiment of the disclosure. As shown in FIG. 1, an embodiment of the present disclosure provides an optical coupling component, and the optical coupling component includes:
  • the optical waveguide assembly 10 has a first coupling end surface, and the first coupling end surface is used for outputting optical signals;
  • the reflecting component 20 is arranged opposite to the first coupling end surface, and is used for reflecting the optical signal output from the first coupling end surface;
  • the optical fiber assembly 30 has a second coupling end face disposed opposite to the reflective assembly and is located on the same side of the reflective assembly as the optical waveguide assembly.
  • the second coupling end face is used for the optical signal reflected from the reflective assembly to enter the optical fiber assembly.
  • the included fiber is used for the optical signal reflected from the reflective assembly to enter the optical fiber assembly.
  • the optical coupling component is used to output the output optical signal of the optical waveguide component 10 to the optical fiber included in the optical fiber component 30.
  • the optical waveguide assembly 10 has a first coupling end face
  • the optical fiber assembly 30 has a second coupling end face. Both the first coupling end face and the second coupling end face are arranged opposite to the reflection assembly 20, and both are arranged on the reflection assembly 20. Same side.
  • the optical fiber assembly 30 is on the optical waveguide assembly 10, and the first coupling end face 101 and the second coupling end face 301 are placed flush with the reflecting assembly 20 on the same side of the reflecting assembly 20.
  • the contact surface of the optical waveguide component 10 and the optical fiber component 30 is perpendicular to the first coupling end surface 101, and the contact surface of the optical waveguide component 10 and the optical fiber component 30 is perpendicular to the second coupling end surface 301.
  • the optical fiber assembly 30 includes a positioning groove for fixing the optical fiber in the groove.
  • the shape of the positioning slot includes a triangular shape, which is not limited in the embodiment of the present disclosure.
  • the first coupling end surface 101 is set in a rectangular shape
  • the second coupling end surface 301 is set in a circular shape.
  • first coupling end surface 101 and the second coupling end surface 301 can also be set in other shapes.
  • first coupling end surface 101 can be set in a circular shape
  • second coupling end surface 301 can be set in a rectangular shape. There is no restriction here.
  • the output optical signal of the first coupling end face 101 is reflected by the reflection component 20, and the reflected optical signal enters the optical fiber contained in the optical fiber assembly 30 through the second coupling end face 301.
  • the optical waveguide component 10 and the optical fiber component 30 of the embodiment of the present disclosure are placed on the same side of the reflective component 20, and the optical signal output by the first coupling end surface 101 of the optical waveguide component 10 can be turned 180 degrees to focus by the reflective component 20 To the second coupling end surface 301 on the optical waveguide assembly 30.
  • the optical waveguide assembly 10 and the optical fiber assembly 30 of the embodiment of the present disclosure couple optical signals in a three-dimensional manner, which can effectively reduce the package length of the optical coupling assembly.
  • the reflective component 20 has a first optical surface 201 and a second optical surface 202, and the first optical surface 201 and the second optical surface 202 are respectively located on opposite sides of the reflective component 20;
  • the reflective component 20 is used to collimate the optical signal entering from the first optical surface 201; and reflect the aligned optical signal through the second optical surface 202, and the reflected optical signal is output through the first optical surface 201 To the second coupling end surface 301.
  • the reflection component 20 collimates the optical signal, so that the optical signal can be output to the second coupling end surface 301 with the greatest efficiency.
  • the first optical surface 201 is used for entering or outputting optical signals.
  • the first optical surface 201 may serve as a transmission surface.
  • the second optical surface 202 is used to reflect the optical signal entering through the first optical surface 201 so that the optical signal is output from the first optical surface 201 to the second coupling end surface 301.
  • the second optical surface 201 may serve as a reflective surface.
  • the first optical surface 201 is an optical surface coated with an antireflection film; the second optical surface 202 is an optical surface coated with a reflective film.
  • the antireflection film is used to increase the transmittance of the optical signal; the reflective film is used to increase the reflectance of the optical signal.
  • the first optical surface coated with an antireflection coating can allow the optical signal output by the first coupling end surface to pass through the first optical surface to the greatest extent, thereby increasing the transmittance of the optical signal, and thereby improving the optical signal Transmission efficiency, reduce loss.
  • the second optical surface coated with a reflective film can reflect the optical signal transmitted through the first optical surface to the second coupling end surface to the greatest extent, thereby improving the reflectivity of the optical signal, thereby improving the transmission efficiency of the optical signal and reducing the loss.
  • the optical signal output through the first coupling end surface 101 can enter the reflective assembly 20 from the first optical surface 201, and then be reflected by the second optical surface 202, and the reflected optical signal can then be reflected from the first optical surface.
  • 201 is output to the second coupling end surface 301.
  • the focal plane of the reflective component 20 is on the first optical surface
  • the focal plane of the reflective component 20 is located in the reflective component 20, and the distance from the first optical surface 201 is within the first distance range;
  • the focal plane of the reflective component 20 is located outside the reflective component 20 and the distance from the first optical surface 201 is within the second distance range.
  • the focal plane of the reflective assembly 20 may be set near the first optical surface 201 or may be set on the first optical surface 201.
  • the first distance may include but is not limited to 100 micrometers
  • the second distance may include but is not limited to 1000 micrometers.
  • the distance between the focal plane of the reflective component and the first optical surface is set in the range of 100 microns, which can reduce the distance between the focal plane of the reflective component and the optical fiber component, and the distance between the focal plane of the reflective component and the first coupling end surface. Distance reduces the coupling loss.
  • first coupling end surface 101 and the second coupling end surface 301 are object images with respect to the reflective component 20.
  • the optical path of the optical coupling component is: the optical signal output by the optical waveguide component 10 passes through the first optical surface After 201, it is collimated by the reflection component; the collimated optical signal is reflected by the second optical surface 202, and the reflected optical signal is focused on the second coupling end surface 301, and then can enter the optical fiber contained in the optical fiber component 30.
  • the optical signal reflected by the second optical surface 202 can be focused to the second coupling end surface 301, thereby improving ⁇ Coupling efficiency.
  • the position of the reflective component 20 can be adjusted so that the first coupling end surface 101 and the second coupling end surface 301 are object images to each other. After the adjustment of the position of the reflective component 20 relative to the first coupling end surface 101 and the second coupling end surface 301 is completed, the position of the reflective component 20 can be fixed to realize the fixation of the optical path of the optical coupling component.
  • the first optical surface 201 is fixedly connected to the first coupling end surface 101 or the second coupling end surface 301.
  • first optical surface 201 is fixedly connected to the first coupling end surface 101 or the second coupling end surface 301 is fixedly connected to the actual position of the reflective assembly 20, which is not limited here.
  • the fixed connection mode between the first optical surface 201 and the first coupling end surface 101 and the fixed connection mode between the first optical surface 201 and the second coupling end surface 301 include, but are not limited to, adhesive fixation.
  • adhesive fixation glue can be applied to the fixed connection position to achieve adhesive fixation.
  • the first coupling end surface 101 and the second coupling end surface 301 have the same polishing angle, and the first coupling end surface 101 and the second coupling end surface 301 are located on the same plane.
  • the reflective component 20 is a reflective component formed of a graded refractive material.
  • the reflective component 20 includes but is not limited to a G lens (Grin lens). It should be noted that the lens length of the G lens can be 2 mm, the refractive index obeys a parabolic distribution, the central refractive index can be 1.6, and the second order coefficient of the refractive index distribution can be -0.44.
  • G lens Grin lens
  • the G lens has a first optical surface 201 and a second optical surface 202.
  • the optical signal enters the lens from the first position of the first optical surface 201, and is reflected by the second optical surface 202.
  • the reflected light The signal is focused at the second position of the first optical surface 201 and output to the second coupling end surface 301.
  • the first optical surface of the G lens is coated with a transmissive film
  • the second optical surface of the G lens is coated with a reflective film
  • first optical surface 201 and the second optical surface 202 are respectively perpendicular to the optical axis of the reflective component.
  • the center distance between the optical waveguide assembly 10 and the optical fiber assembly 30 is 0.16 mm.
  • the distance between the first optical surface 201 and the first coupling end surface 101 is between 60 microns and 80 microns.
  • the optical coupling loss between the optical waveguide assembly 10 and the optical fiber assembly 30 can be made 0.5 dB.
  • the reflection assembly 20 includes:
  • the lens module is located between the optical waveguide assembly 10 and the reflection module, and is used for inputting the optical signal output by the first coupling end surface 101;
  • the reflection module is used to reflect the light signal passing through the lens module and output to the lens module by reflection;
  • the lens module is also used to output the reflected optical signal to the second coupling end surface 301.
  • the lens module includes but is not limited to a C-lens
  • the reflection module includes but is not limited to a total reflection mirror.
  • the lens length of the C lens is 2.2 mm
  • the radius of curvature is 1.65 mm
  • the refractive index is 3.5.
  • the optical signal enters the lens module from the first position of the first optical surface 201 of the lens module, and is reflected by the second optical surface 202 of the reflective module.
  • the second position of the surface 201 is focused and output to the second coupling end surface 301.
  • the reflective module is at a first angle to the vertical optical axis direction.
  • the first angle may include but is not limited to 4 degrees.
  • the position of the reflection module can be adjusted to adapt the center distance between different optical waveguide components 10 and optical fiber components 30, so that the optical coupling loss between the optical waveguide components 10 and the optical fiber components 30 is 0.5dB.
  • the distance between the optical fiber assembly 30 and the optical waveguide assembly 10 and the first optical surface 201 may be 40 microns, the center distance between the optical waveguide assembly 10 and the optical fiber assembly 30 is 80 microns, and the reflection module is perpendicular to the optical axis direction. Deflection 4 degrees.
  • the reflective component 20 is not only a combination of a C lens and a mirror, and a G lens, but also a combination of other lens parameters, as long as it can satisfy that the optical signal output by the optical waveguide component 10 can be reflected.
  • the component 20 is reflected into the optical fiber component 30, and the coupling efficiency of the optical path is satisfied at the same time.
  • the specific combination of lens parameters used to achieve optical coupling is not limited in the embodiments of the present disclosure.
  • an embodiment of the present disclosure also provides a light emitting component, which at least includes an optical signal generating component 40, a lens component 50, and an optical coupling component.
  • the optical coupling component is the one of one or more of the above embodiments.
  • Optical coupling assembly, the optical coupling assembly includes an optical waveguide assembly 10, a reflection assembly 20 and an optical fiber assembly 30, wherein,
  • the optical signal generating component 40 is used to generate at least one optical signal
  • the lens assembly 50 is located on the side of the optical signal generating assembly facing the optical waveguide assembly, and is used to converge at least one optical signal onto the optical waveguide assembly;
  • the optical waveguide component 10 is configured to receive the at least one optical signal and output it to the reflection component 20;
  • the reflective component 20 is arranged on the side of the optical waveguide component facing the lens component, and is used to reflect the optical signal output from the optical waveguide component;
  • the second coupling end face of the optical fiber assembly 30 is arranged on the optical waveguide assembly for the optical signal reflected from the reflection assembly to enter the optical fiber contained in the optical fiber assembly.
  • the optical signal generating component 40, the lens component 50 and the reflective component 20 are all located on the same side of the optical waveguide component 10, and the optical fiber component 30 is located on the optical waveguide component 10.
  • the optical waveguide assembly 10 and the optical fiber assembly 30 of the embodiment of the present disclosure are placed on the same side of the reflection assembly 20, and the optical signal output by the first coupling end face of the optical waveguide assembly 10 can be reflected to the optical fiber assembly 30 through the reflection assembly 20. on.
  • the optical waveguide assembly 10 and the optical fiber assembly 30 on the same side can realize the coupling of optical signals, and it is not necessary for the optical waveguide assembly 10 and the optical fiber assembly 30 to be laid flat on both sides of the coupling end surface, which can effectively reduce the optical coupling assembly.
  • the package length is reduced, thereby reducing the package length of the light emitting component.
  • the optical signal generating component 40 includes but is not limited to a laser, and the laser can generate at least one optical signal.
  • At least one optical signal may be optical signals of different working wavelengths.
  • the optical signal generating component can output at least one optical signal at a predetermined interval.
  • the at least one optical signal may be four optical signals, and the four optical signals can be output at an equal interval of 1 mm.
  • the operating wavelengths corresponding to the four optical signals may include: 1271 nanometers, 1291 nanometers, 1311 nanometers, and 1331 nanometers, and the embodiments of the present disclosure are not limited here.
  • the light emitting component further includes:
  • the isolation component 60 is located between the lens component 50 and the optical waveguide component 10 and is used to prevent at least one reflected optical signal passing through the lens component from being transmitted to the optical signal generating component.
  • an isolation assembly 60 is provided between the lens assembly 50 and the optical waveguide assembly 10, and the isolation assembly 60 and the lens assembly 50 are correspondingly arranged to prevent at least one reflected optical signal from being transmitted to the optical signal generating assembly 40 , In order to reduce the influence of at least one optical signal reflected by the lens assembly 50 on the optical signal generating assembly 40.
  • the optical waveguide component has at least one input port and one output port, and the at least one input port and the output port are located on the same side of the optical waveguide component;
  • the optical waveguide component is used to couple at least one optical signal input from at least one input port, and output the coupled optical signal to the second coupling end face of the optical fiber component through the output port.
  • the optical waveguide component in the embodiment of the present disclosure can receive at least one optical signal through at least one input port, and couple the at least one optical signal to obtain a coupled optical signal, which is output to the reflective component.
  • the number of input ports of the optical waveguide component corresponds to the number of optical signals generated by the optical signal generating component.
  • the optical signal generating component generates four optical signals; correspondingly, the optical waveguide component has four input ports for the four optical signals to enter the corresponding input ports.
  • the optical waveguide assembly includes four input ports 11, 12, 13, and 14 and one output port 15.
  • the four input ports and output ports are located on the same side of the optical waveguide assembly.
  • the four input ports and output ports of the optical waveguide component are located on the same side, which can reduce the package length of the optical waveguide component.
  • the surface where the output port of the optical waveguide component is located may be used as the first coupling surface.
  • the optical signal reaching the second optical surface of the reflective component will become an optical signal parallel to the optical axis; after being reflected by the second optical surface, it will be focused again
  • the image side focal plane is the second coupling plane. In this way, the optical coupling loss between the optical waveguide component and the optical fiber component can be made 0.5dB.
  • the optical waveguide component and the optical fiber component located on the same side can realize the coupling of the optical signal, and the optical waveguide component and the optical fiber component do not need to be laid flat on both sides of the coupling end surface.
  • the embodiments of the present disclosure can The package length of the optical coupling component is effectively reduced, thereby reducing the package length of the light emitting component.
  • the length of the light emitting component can be reduced by about 3 mm; on the other hand, the embodiment of the present disclosure does not need to reduce the length of the optical fiber
  • the length of the small light emitting component is conducive to production and manufacturing.
  • the optical waveguide component includes: an arrayed waveguide grating component, a diffraction-etched grating component, or a Mach-Zehnder interferometer MZI-level combined wave component.
  • an embodiment or “an embodiment” mentioned throughout the specification means that a specific feature, structure, or characteristic related to the embodiment is included in at least one embodiment of the embodiment of the present disclosure. Therefore, the appearances of "in one embodiment” or “in an embodiment” in various places throughout the specification do not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner. It should be understood that, in various embodiments of the embodiments of the present disclosure, the size of the sequence number of each process mentioned above does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not be subject to the present disclosure. The implementation process of the embodiment constitutes any limitation. The sequence numbers of the above-mentioned embodiments of the present disclosure are only for description, and do not represent the superiority of the embodiments.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, such as: multiple units or components can be combined, or It can be integrated into another system, or some features can be ignored or not implemented.
  • the coupling, or direct coupling, or communication connection between the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms. of.
  • the units described above as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units; they may be located in one place or distributed on multiple network units; Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments of the present disclosure.
  • the functional units in the foregoing embodiments may all be integrated into one processing unit, or each unit may be individually used as a unit, or two or more units may be integrated into one unit; the above-mentioned integrated
  • the unit can be implemented in the form of hardware, or in the form of hardware plus software functional units.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

L'invention concerne un ensemble d'accouplement optique et un ensemble de transmission optique. L'ensemble d'accouplement optique comprend un ensemble guide d'ondes optique (10) pourvu d'une première face d'extrémité d'accouplement (101), la première face d'extrémité d'accouplement (101) étant utilisée pour émettre un signal optique ; un ensemble réfléchissant (20) agencé à l'opposé de la première face d'extrémité d'accouplement (101) et utilisé pour réfléchir le signal optique émis par la première face d'extrémité d'accouplement (101) ; et un ensemble de fibres optiques (30) pourvu d'une seconde face d'extrémité d'accouplement (301) agencé à l'opposé de l'ensemble réfléchissant (20) et situé du même côté de l'ensemble réfléchissant (20) en tant qu'ensemble guide d'ondes optique (10), la seconde face d'extrémité d'accouplement (301) étant utilisée pour amener le signal optique réfléchi à partir de l'ensemble réfléchissant (20) à entrer dans une fibre optique incluse dans l'ensemble de fibres optiques (30), de sorte que la longueur d'encapsulation de l'ensemble d'accouplement optique puisse être réduite.
PCT/CN2019/124126 2019-09-24 2019-12-09 Ensemble d'accouplement optique et ensemble de transmission optique WO2021056836A1 (fr)

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CN201910906212.9A CN110542962A (zh) 2019-09-24 2019-09-24 一种光耦合组件及光发射组件
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CN110542962A (zh) * 2019-09-24 2019-12-06 武汉光迅科技股份有限公司 一种光耦合组件及光发射组件
CN112162366B (zh) * 2020-09-01 2022-09-02 联合微电子中心有限责任公司 光纤与波导芯片的端面耦合装置
CN113917614A (zh) * 2021-09-15 2022-01-11 武汉光迅科技股份有限公司 一种光模块

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