Spectral linewidth of an external-cavity laser diode stabilized by a fiber-optic ring resonator

Tai, Shuichi; Kyuma, Kazuo; Nakayama, Takashi
September 1985
Applied Physics Letters;9/1/1985, Vol. 47 Issue 5, p439
Academic Journal
The spectral linewidth of an external-cavity single-mode GaAs/AlGaAs laser diode was stabilized by controlling the phase of the feedback light, where a fiber-optic ring resonator was used as a linewidth discriminator. The stabilized linewidth is about 500 kHz with a short-term fluctuation of about 30 kHzp-p over a period of 3 h.


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