Experimental Study on a Prism-External-Cavity Semiconductor Laser with Dispersion Feedback [in Japanese]
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We have studied experimentally a prism-external-cavity semiconductor laser system with a dispersion feedback. In the system, the longitudinal mode of a semiconductor laser can be tuned continuously over a small range of about 400MHz, and the linewidth of a single mode is about 60MHz. Tuning characteristics have been investigated as functions of injection current, external cavity length and feedback energy to the laser diode.
rle 25(6), 431-433, 1997-06-15
The Laser Society of Japan