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＜journal article＞
Generation of coherent Raman sidebands using a continuous-wave laser source
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| Abstract | レーザーを水素分子に集光すると，ラマン現象により等周波数間隔で，多数の発振線が得られる．これらの発振線は，位相が自動的に同期し，超短パルス光が発生する．連続発振レーザーを高フィネス共振器中の水素に集光すると，等周波数間隔の連続発振レーザーが得られる．これらの発振線の重ね合わせにより，高繰り返し光パルス列が発生する．このレーザーは，将来，周波数標準や超高速光通信のための光源へ応用が期待されている． W...hen a laser beam is focused into molecular hydrogen, multifrequency laser emission with equal frequency spacing is generated by a phenomenon based on Raman scattering. These emission lines are automatically phase-locked to generate an ultrashort optical pulse. When a continuous-wave laser is focused into molecular hydrogen in a high-finesse cavity, a continuous-wave multifrequency laser emission with equal frequency spacing can be generated, leading to a train of pulses caused by coherent superposition of the emission lines. This laser has the potential to be used as a standard-frequency light source as well as in ultrafast optical communication.show more |
| Table of Contents | 1． まえがき 2． 虹色レーザーの起源 3．“光”の定義 4．“極限”の超短パルス光 5． 連続発振レーザーを用いる誘導ラマン光の発生 6． 動作原理とシミュレーション 7． 実験装置 8． 2波長発振レーザー 9． 多波長発振レーザー 10．パルス列の発生と計測 11． 展望show more |
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| Created Date | 2020.07.17 |
| Modified Date | 2020.08.27 |