Control of ring lasers by means of coupled cavities

Control of ring lasers by means of coupled cavities

Variable phase coupling to an external ring is used to control a unidirectional ring laser. The observed behavior of the coupled rings is explained theoretically. We have found experimentally that by quickly changing the phase of the feedback from the external ring it is possible to Q-switch the rin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Buchhave, P., Abitan, H., Tidemand-Lichtenberg, P.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Laser feedback
Laser modes
Laser theory
Mirrors
Optical control
Optical coupling
Optical harmonic generation
Optical resonators
Reflectivity
Ring lasers
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Beschreibung
Zusammenfassung:Variable phase coupling to an external ring is used to control a unidirectional ring laser. The observed behavior of the coupled rings is explained theoretically. We have found experimentally that by quickly changing the phase of the feedback from the external ring it is possible to Q-switch the ring laser. Also, at certain values of the phase of the feedback in the external ring, instabilities in the total system occur and oscillations arise in the ring laser.
DOI:10.1109/NLO.2000.883639