Photorefractive phase-conjugator coupled-cavity diode laser for high spectral-brightness operation

Akira Shiratori; Minoru Obara

doi:10.1117/12.270223

4 April 1997 Photorefractive phase-conjugator coupled-cavity diode laser for high-spectral-brightness operation

Akira Shiratori, Minoru Obara

Proceedings Volume 3092, XI International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference; (1997) https://doi.org/10.1117/12.270223
Event: XI International Symposium on Gas Flow and Chemical Lasers and High Power Laser Conference, 1996, Edinburgh, United Kingdom

Abstract

Narrow spectral width oscillation of an AlGaInP index-guided diode laser (638 nm) has been achieved with an external stimulated photorefractive backscattering phase-conjugator. The emission spectral width was narrowed down to 5.3 GHz (7.2 pm) due to the very narrow spectral bandwidth of the 2k gratings formed by the stimulated photorefractive backscattering process in a photorefractive barium titanate crystal. The spectral brightness increased approximately 50 times as high as a free-running diode laser. We have also suppressed the self-scanning of the laser frequency, and successfully achieved wavelength-stable oscillation in the phase-conjugator coupled-cavity diode laser.

Citation Download Citation

Akira Shiratori and Minoru Obara "Photorefractive phase-conjugator coupled-cavity diode laser for high-spectral-brightness operation", Proc. SPIE 3092, XI International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (4 April 1997); https://doi.org/10.1117/12.270223

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