JP2014519205A - コンパクトな光周波数コム・システム - Google Patents
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- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
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- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
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- H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
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- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
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- H01S3/1115—Passive mode locking using intracavity saturable absorbers
- H01S3/1118—Semiconductor saturable absorbers, e.g. semiconductor saturable absorber mirrors [SESAMs]; Solid-state saturable absorbers, e.g. carbon nanotube [CNT] based
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- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
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- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06725—Fibre characterized by a specific dispersion, e.g. for pulse shaping in soliton lasers or for dispersion compensating [DCF]
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10038—Amplitude control
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
- H01S3/1053—Control by pressure or deformation
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1616—Solid materials characterised by an active (lasing) ion rare earth thulium
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/17—Solid materials amorphous, e.g. glass
- H01S3/176—Solid materials amorphous, e.g. glass silica or silicate glass
Abstract
Description
Claims (40)
- 出力を発生するレーザであって、
固体利得媒体またはファイバ利得媒体を備えるレーザ共振器と、
前記利得媒体を光学的にポンピングするためのポンプ源であって、前記利得媒体が、前記ポンプ源とともに、前記レーザ共振器において共振器内光ビームを発生するポンプ源と、
前記利得媒体の外部に配置された共振器内光学素子であって、前記レーザ共振器の損失の変調、前記共振器の光路長の調整、またはその両方を行なうように構成されており、電源に動作可能に接続された材料の少なくとも1つの層を備え、前記共振器の損失の変調および/または光路長の調整が、前記電源によって発生されて前記材料に印加される電界を用いて誘起され、前記材料の少なくとも1つの層が電極の間に配置され、共振器内光ビームが、前記電極のうち少なくとも1つを通過するように構成される共振器内光学素子とを備えるレーザ。 - 前記光学素子が複数材料の一体化構造体を備える請求項1に記載のレーザ。
- 前記共振器内光学素子が、前記材料に印加される電界を制御することによって前記レーザ共振器の光路長を調整するように構成されている請求項1に記載のレーザ。
- 前記共振器内光学素子が、前記レーザ共振器の、前記損失を変調し、かつ前記光路長を調整するように構成されている請求項1に記載のレーザ。
- 前記材料が誘電体の層を備える請求項1に記載のレーザ。
- 前記材料が半導体の層を備える請求項1に記載のレーザ。
- 前記材料が半導体および誘電体の層を備える請求項1に記載のレーザ。
- 前記材料が誘電体の層および少なくとも1つのグラフェンの層を備える請求項1に記載のレーザ。
- 前記材料が誘電体の層および少なくとも2つ以上のグラフェンの層を備える請求項1に記載のレーザ。
- 前記グラフェン層が、前記電極のうちの1つの少なくとも一部分として構成されている請求項1に記載のレーザ。
- 前記レーザ共振器が、光モード同期によって光パルスを発生するようにさらに構成されている請求項1に記載のレーザ。
- 前記レーザ共振器が、能動的モード同期用または受動的モード同期用に構成されている請求項1に記載のレーザ。
- 前記レーザ共振器が、モード同期を誘起するために可飽和吸収体をさらに備える請求項1に記載のレーザ。
- 前記共振器内光学素子が、可飽和吸収体として動作するようにさらに構成されている請求項1に記載のレーザ。
- 前記共振器内光学素子が、前記レーザ共振器の緩和振動を抑制するように構成されている請求項1に記載のレーザ。
- 前記共振器内光学素子が、前記レーザ共振器の緩和振動を強化するように構成されている請求項1に記載のレーザ。
- 前記共振器内光学素子が、前記レーザ共振器の出力パワーを安定化するように構成されている請求項1に記載のレーザ。
- 前記ファイバ利得媒体が、Nd、Yb、Bi、Er、Er/Yb、Tm、Tm/HoまたはYb/Tmでドープされたファイバを備える請求項1に記載のレーザ。
- 前記ファイバ利得媒体が、希土類元素または遷移金属でドープされたファイバを備える請求項1に記載のレーザ。
- 前記レーザ共振器が光周波数コム・レーザの一部分として構成されており、前記周波数コム・レーザが一連の短い光パルスを発生し、前記周波数コム・レーザが、パルス繰返し率およびキャリア・エンベロープのオフセット周波数でさらに特徴付けられる請求項1に記載のレーザ。
- 前記共振器内光学素子が、前記周波数コム・レーザの前記キャリア・エンベロープのオフセット周波数を調整するようにさらに構成されている請求項20に記載のレーザ。
- 前記共振器内光学素子が、前記周波数コム・レーザの前記繰返し率を調整するように構成されている請求項20に記載のレーザ。
- 前記共振器内光学素子が、前記周波数コム・レーザの前記キャリア・エンベロープのオフセット周波数および前記繰返し率を調整するように構成されている請求項20に記載のレーザ。
- 前記光パルスが、スーパーコンティニュームを発生するために、非線形性の強いファイバまたは導波路に導かれる請求項20に記載のレーザ。
- 前記非線形性の強いファイバまたは導波路の出力が、周波数をアップコンバージョンまたはダウンコンバージョンするように構成された少なくとも1つの水晶へと導かれる請求項24に記載のレーザ。
- 前記周波数ダウンコンバージョン・プロセスが差周波数混合を含む請求項25に記載のレーザ。
- 前記光パルスが、前記光パルスの周波数のダウンコンバージョンまたはアップコンバージョンのために、非線形性の強いファイバまたは導波路に導かれる請求項20に記載のレーザ。
- 利得媒体と、
膜層を備える電気的に制御可能な活性領域を有する複数材料の一体化構造体を備える共振器内光学素子であって、前記活性領域の少なくとも一部分に印加された電気信号に応答して、共振器の損失を変調し、かつ/または光路長を調整することができる共振器内光学素子とを備えるレーザ。 - 前記複数材料の一体化構造体が、導電材料、誘電材料、および/または半導体材料を有する複数の層を備える請求項28に記載のレーザ。
- 前記共振器内素子が反射で動作する請求項28に記載のレーザ。
- 前記共振器内素子が透過で動作する請求項28に記載のレーザ。
- 前記共振器内素子が光ファイバに接合されている請求項28に記載のレーザ。
- 前記膜層が2つの電極の間に配置されており、各電極が、前記電気信号をもたらす信号源に接続されている請求項28に記載のレーザ。
- 前記膜層がグラフェンを備え、前記電極が前記グラフェンの少なくとも一部分を備える請求項33に記載のレーザ。
- 前記共振器内光学素子が、可飽和吸収体として構成されている請求項28に記載のレーザ。
- 前記レーザが能動的モード同期用に構成されており、前記共振器内光学素子が、レーザ共振器の往復時間と同期した繰返し率において損失変調をもたらすように構成されている請求項28に記載のレーザ。
- 前記利得媒体が固体またはファイバの利得媒体を備えるとき、前記共振器内光学素子が前記利得媒体の外部に配置される請求項28に記載のレーザ。
- 前記利得媒体が固体またはファイバの利得媒体であり、前記共振器内光学素子が、前記利得媒体に対して取り付けられる、または光学的に結合される請求項28に記載のレーザ。
- 前記共振器内光学素子が、前記レーザ共振器のQスイッチングを誘起するように構成されている請求項28に記載のレーザ。
- 前記共振器内光学素子が、前記レーザ共振器のQスイッチングを安定化するように構成されている請求項28に記載のレーザ。
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US201161490991P | 2011-05-27 | 2011-05-27 | |
US61/490,991 | 2011-05-27 | ||
PCT/US2012/039509 WO2012166572A1 (en) | 2011-05-27 | 2012-05-25 | Compact optical frequency comb systems |
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JP (1) | JP6290077B2 (ja) |
CN (1) | CN103563189A (ja) |
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US20140321483A1 (en) | 2014-10-30 |
US9787051B2 (en) | 2017-10-10 |
CN103563189A (zh) | 2014-02-05 |
JP6290077B2 (ja) | 2018-03-07 |
DE112012002271T5 (de) | 2014-03-13 |
US20120327959A1 (en) | 2012-12-27 |
WO2012166572A1 (en) | 2012-12-06 |
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