Single frequency erbium fiber external cavity semiconductor laser
- 19 June 1995
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 66 (25) , 3422-3424
- https://doi.org/10.1063/1.113374
Abstract
A novel external cavity configuration for stable single frequency operation of the semiconductor laser is demonstrated. By using an erbium doped fiber as the external cavity, longitudinal mode-hopping is suppressed, ensuring single frequency operation. Employing a 3 m long fiber cavity, resolution-limited optical linewidths of a kHz are obtained.Keywords
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