JP7116067B2 - キャリアエンベロープオフセット周波数検出を有する光周波数コム発生器 - Google Patents
キャリアエンベロープオフセット周波数検出を有する光周波数コム発生器 Download PDFInfo
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Description
Claims (13)
- 光周波数コム出力及びヘテロダイン出力を同時に発生する増幅媒体を有して提供されたモードロックレーザーであって、前記ヘテロダイン出力が、第1の補助光周波数コムからの第1のスペクトル成分及び、第2の補助光周波数コムからの第2のスペクトル成分を含み、前記第1及び第2の補助光周波数コムが、任意の2つの異なる高調波光周波数コムを含み、前記光周波数コム出力が、キャリアエンベロープオフセット周波数で特徴づけられ、前記モードロックレーザーが、レーザーポンプ光源及びフェムト秒(fs)発振器を含む、モードロックレーザーと、
前記第1及び第2のスペクトル成分を受信して検出するように構成されたキャリアエンベロープオフセット周波数検出器であって、前記キャリアエンベロープオフセット周波数検出器がさらに、キャリアエンベロープオフセット周波数に対応する信号を発生するように構成された、キャリアエンベロープオフセット周波数検出器と、を含む、
光周波数コム発生器システム。 - 前記fs発振器が非線形レーザー媒体を有して構成され、前記モードロックレーザーが、前記光周波数コム出力を発生し、前記非線形レーザー媒体内で少なくとも1つの光学高調波を自己発生させる、請求項1に記載のシステム。
- 前記モードロックレーザーの出力がさらに前記キャリアエンベロープオフセット周波数に対応するうなり周波数を有する光学ヘテロダインを含むように、前記モードロックレーザーが動作し、前記キャリアエンベロープオフセット周波数検出器が、前記キャリアエンベロープオフセット周波数を検出する、請求項1または2に記載のシステム。
- 前記第1及び第2の補助光周波数コムが、部分的に、スペクトル重複する、請求項1から3のいずれか一項に記載のシステム。
- 前記第1及び第2の補助光周波数コムが重複するように、前記第1及び第2の補助光周波数コムの少なくとも1つを拡張するように動作可能である少なくとも1つのスペクトル拡張素子をさらに含み、前記スペクトル拡張素子が、前記fs発振器と前記キャリアエンベロープオフセット周波数検出器との間に配置された、請求項1から4のいずれか一項に記載のシステム。
- 前記モードロックレーザーがさらに、1つまたは複数の光学高調波において、増大した出力に適合した共振キャビティを含む、請求項1から5のいずれか一項に記載のシステム。
- 前記ヘテロダイン出力の前記スペクトル成分を変更するように構成された少なくとも1つのスペクトルフィルターをさらに含む、請求項1から6のいずれか一項に記載のシステム。
- 前記キャリアエンベロープオフセット周波数検出器が、前記キャリアエンベロープオフセット周波数を制御するために使用される信号を提供し、それによって、前記光周波数コム出力を安定させるように構成された、請求項1から7のいずれか一項に記載のシステム。
- 前記モードロックレーザーがさらに、高い2次及び3次非線形性を有し、多結晶構造を有するTM:II-VI型材料を有して構成されたカーレンズモードロック中赤外線fs発振器を含み、前記カーレンズモードロック中赤外線fs発振器が、ランダム準位相整合プロセスを介して、3波混合を提供する、請求項1に記載のシステム。
- 光周波数コム出力及びヘテロダイン出力を同時に発生する増幅媒体を有して提供されたモードロックレーザーベースのシステムにおいて、前記光周波数コム出力がキャリアエンベロープオフセット周波数によって特徴づけられる、光周波数コムを提供する方法であって、
モードロックレーザーで、光周波数コム出力及びヘテロダイン出力を同時に発生させる段階と、
前記ヘテロダイン出力において第1及び第2の補助光周波数コムのそれぞれのスペクトル成分の間のうなりを検出する段階と、
検出された前記うなりに基づいて、前記キャリアエンベロープオフセット周波数に対応する信号を発生させる段階と、を含み、
前記第1及び第2の補助光周波数コムが、任意の2つの異なる高調波光周波数コムを含む、方法。 - 前記キャリアエンベロープオフセット周波数を測定する段階をさらに含む、請求項10に記載の方法。
- キャリアエンベロープオフセット周波数検出器でうなりを検出する段階と、
前記キャリアエンベロープオフセット周波数を安定化させるために、キャリアエンベロープオフセット周波数信号をキャリアエンベロープオフセット周波数制御システムに提供する段階と、をさらに含む、請求項10に記載の方法。 - 自己発生高調波出力を有する、カーレンズモードロック中赤外線多結晶Cr:ZnS発振器ベースのレーザーシステムにおけるキャリアエンベロープオフセット周波数を検出する方法であって、
光周波数コム出力及び、Cr:ZnS材料内で複数の光学高調波を直接同時に発生させる段階と、
前記複数の光学高調波のうち2つの異なる光学高調波を含む第1及び第2の補助光周波数コムのそれぞれの第1のスペクトル成分と第2のスペクトル成分との間のヘテロダインうなりを検出する段階と、
検出された前記うなりに基づいて、前記キャリアエンベロープオフセット周波数に対応する信号を発生させる段階と、を含む、方法。
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EP3706259B1 (en) * | 2019-03-07 | 2022-02-23 | Menlo Systems GmbH | Optical frequency comb assembly and method |
US20210075184A1 (en) * | 2019-09-06 | 2021-03-11 | Honeywell International Inc. | Compact laser delivery to atomic systems |
US20230028731A1 (en) * | 2019-12-09 | 2023-01-26 | Institut National De La Recherche Scientifique | Method and system for measuring carrier-to-envelope phase fluctuations of a femtosecond laser pulse |
CN111947793B (zh) * | 2020-07-17 | 2022-11-22 | 西安工程大学 | 一种超快过程探测的时域-频域转换器 |
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CN106025779A (zh) * | 2016-07-22 | 2016-10-12 | 华东师范大学 | 一种基于谐波锁模光纤激光器的天文学光学频率梳系统 |
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