JPH06504407A - 干渉計 - Google Patents
干渉計Info
- Publication number
- JPH06504407A JPH06504407A JP3515496A JP51549691A JPH06504407A JP H06504407 A JPH06504407 A JP H06504407A JP 3515496 A JP3515496 A JP 3515496A JP 51549691 A JP51549691 A JP 51549691A JP H06504407 A JPH06504407 A JP H06504407A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- interferometer
- amplifier
- coupler
- coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
- G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference in an optical waveguide structure
- G02F1/2252—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference in an optical waveguide structure in optical fibres
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/3515—All-optical modulation, gating, switching, e.g. control of a light beam by another light beam
- G02F1/3517—All-optical modulation, gating, switching, e.g. control of a light beam by another light beam using an interferometer
- G02F1/3519—All-optical modulation, gating, switching, e.g. control of a light beam by another light beam using an interferometer of Sagnac type, i.e. nonlinear optical loop mirror [NOLM]
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (10)
- 1.第1および第2の入力ポートおよび第1および第2の出力ポートを有する4 ポート光結合器と、第1および第2の出力ポートを結合する光結合手段とを具備 しているサグナックループ干渉計において、 結合手段は非線形光増幅器を含み、反対方向に伝播する部分が増幅器に到達する とき異なる強度を有するようにする手段が設けられていることを特徴とする干渉 計。
- 2.前記手段は第1の出力ポートと光増幅器の間、並びに第2の出力ポートと光 増幅器の間に異なる量の光減衰を与える光減衰ソースを具備している請求項1記 載の干渉計。
- 3.光増幅器は半導体レーザである請求項1または2記載の干渉計。
- 4.光結合手段は1対の光ファイバの間に直列に接続された光増幅器を具備し、 結合手段における光減衰の差は各光ファイバと光増幅器の間に生じる結合損失の 差によって与えられる請求項1乃至3のいずれか1項記載の干渉計。
- 5.光ファイバ周辺に伝播する光信号の偏光を制御する第1および第2の偏光制 御装置が光増幅器の各側に設けられている請求項4記載の干渉計。
- 6.光結合器は光増幅器に結合された光ファイバから形成された光ファイバ結合 器である請求項4または5記載の干渉計。
- 7.1以上の光減衰ソースは非線形である請求項1乃至6のいずれか1項記載の 干渉計。
- 8.光結合器は50:50光結合器である請求項1乃至7のいずれか1項記載の 干渉計。
- 9.前記手段は別の光増幅器を具備している請求項1乃至8のいずれか1項記載 の干渉計。
- 10.光結合器および第1および第2の光増幅器は単一のツインストライプレー ザ増幅結合器の1部分である請求項9記載の干渉計。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909019010A GB9019010D0 (en) | 1990-08-31 | 1990-08-31 | Interferometer |
GB9019010.9 | 1990-08-31 | ||
PCT/GB1991/001467 WO1992004655A1 (en) | 1990-08-31 | 1991-08-30 | Interferometer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06504407A true JPH06504407A (ja) | 1994-05-19 |
JP3195343B2 JP3195343B2 (ja) | 2001-08-06 |
Family
ID=10681435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51549691A Expired - Fee Related JP3195343B2 (ja) | 1990-08-31 | 1991-08-30 | 干渉計 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5483340A (ja) |
EP (1) | EP0546067B1 (ja) |
JP (1) | JP3195343B2 (ja) |
CA (1) | CA2089871C (ja) |
DE (1) | DE69123253T2 (ja) |
ES (1) | ES2094234T3 (ja) |
GB (1) | GB9019010D0 (ja) |
HK (1) | HK110197A (ja) |
WO (1) | WO1992004655A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5291267A (en) * | 1992-01-22 | 1994-03-01 | Hewlett-Packard Company | Optical low-coherence reflectometry using optical amplification |
FR2743965B1 (fr) * | 1996-01-18 | 1998-02-06 | Alcatel Nv | Procede et systeme de communication optique a routage passif |
US5822471A (en) * | 1997-06-27 | 1998-10-13 | Elsicon, Inc. | Differential optical modulator |
CN1155173C (zh) * | 1998-02-16 | 2004-06-23 | 皇家菲利浦电子有限公司 | 配有采用全光学时钟恢复接收机的光传输*** |
US20020154350A1 (en) * | 2001-02-09 | 2002-10-24 | Johnson Erik V. | Optical logic devices based on stable, non-absorbing optical hard limiters |
US7620274B2 (en) * | 2007-02-12 | 2009-11-17 | Bti Systems Inc. | Optical protection switch and method for optical protection switching |
US10955335B2 (en) | 2018-03-28 | 2021-03-23 | University Of Washington | Non-contact photoacoustic spectrophotometry insensitive to light scattering |
CN112051411A (zh) * | 2020-08-07 | 2020-12-08 | 北京航天控制仪器研究所 | 一种基于非线性光波分束与合束的角运动测量装置 |
-
1990
- 1990-08-31 GB GB909019010A patent/GB9019010D0/en active Pending
-
1991
- 1991-08-30 DE DE69123253T patent/DE69123253T2/de not_active Expired - Lifetime
- 1991-08-30 ES ES91916364T patent/ES2094234T3/es not_active Expired - Lifetime
- 1991-08-30 JP JP51549691A patent/JP3195343B2/ja not_active Expired - Fee Related
- 1991-08-30 EP EP91916364A patent/EP0546067B1/en not_active Expired - Lifetime
- 1991-08-30 WO PCT/GB1991/001467 patent/WO1992004655A1/en active IP Right Grant
- 1991-08-30 CA CA002089871A patent/CA2089871C/en not_active Expired - Lifetime
- 1991-08-30 US US08/039,081 patent/US5483340A/en not_active Expired - Lifetime
-
1997
- 1997-06-26 HK HK110197A patent/HK110197A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5483340A (en) | 1996-01-09 |
GB9019010D0 (en) | 1990-10-17 |
WO1992004655A1 (en) | 1992-03-19 |
DE69123253T2 (de) | 1997-05-22 |
ES2094234T3 (es) | 1997-01-16 |
EP0546067B1 (en) | 1996-11-20 |
JP3195343B2 (ja) | 2001-08-06 |
HK110197A (en) | 1997-08-22 |
EP0546067A1 (en) | 1993-06-16 |
DE69123253D1 (en) | 1997-01-02 |
CA2089871C (en) | 1997-08-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Joergensen et al. | All-optical wavelength conversion at bit rates above 10 Gb/s using semiconductor optical amplifiers | |
EP0265233B1 (en) | Non-linear optical device | |
US5999283A (en) | Optical logic devices and methods | |
CA2112596C (en) | Non-linear optical interferometer with saturated amplifier | |
JP2944748B2 (ja) | 光装置 | |
US6453082B1 (en) | Device and system for waveform shaping | |
KR100343490B1 (ko) | 전-광학플립플롭용장치 | |
Korotky et al. | Fully connectorized high-speed Ti: LiNbO 3 switch/modulator for time-division multiplexing and data encoding | |
JP3895417B2 (ja) | 偏光の影響を受けない非線形光学ミラー | |
JP3625932B2 (ja) | 波長変換装置 | |
JPH06202169A (ja) | 光スイッチ | |
Lawetz et al. | Modulation characteristics of semiconductor Mach-Zehnder optical modulators | |
Jinno | Effects of group velocity dispersion on self/cross phase modulation in a nonlinear Sagnac interferometer switch | |
JPH06504407A (ja) | 干渉計 | |
AU742088B2 (en) | Optical wavelength converter | |
Capmany et al. | Optical bistability and differential amplification in nonlinear fiber resonators | |
Tarucha et al. | Complementary optical bistable switching and triode operation using LiNbO 3 directional coupler | |
Hess et al. | All-optical space switch featuring monolithic InP-waveguide semiconductor optical amplifier interferometer | |
US5822480A (en) | Nonlinear Y-junction waveguide structure | |
US7362928B2 (en) | Optical switch and gate apparatus and method | |
JPH10500786A (ja) | 光スイッチ | |
Gavignet-Morin et al. | Photonic time-switching using semiconductor optical amplifier gates and fiber delay line optical buffer | |
TAJIMA et al. | Ultrafast hybrid-integrated symmetric Mach-Zehnder all-optical switch and its 168 Gbps error-free demultiplexing operation | |
WO1993003406A1 (en) | Sagnac loop gates | |
JPS6317433A (ja) | 光伝送路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080601 Year of fee payment: 7 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090601 Year of fee payment: 8 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090601 Year of fee payment: 8 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100601 Year of fee payment: 9 |
|
LAPS | Cancellation because of no payment of annual fees | ||
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |