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Proceedings Paper

Self-adaptive external resonator for second-harmonic generation in laser-diode-pumped NYAB laser using photorefractive phase conjugate feedback
Author(s): Masayuki Shimosegawa; Hirohumi Watanabe; Takashige Omatsu; Akira Hasegawa; Mitsuhiro Tateda; Iwao Ogura
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Paper Abstract

We report the first demonstration, what is to our knowledge, of resonant second harmonic generation using a photorefractive phase conjugate feedback. Once the phase conjugator turns on, the SH output form self-frequency- doubled NYAB laser starts to increase and reaches up to 9-10 times of that without feedback. In addition, we find that the SH output fluctuates even if the phase conjugate feedback is constant. This phenomena is induced by the self- frequency-scanning of the SH output.

Paper Details

Date Published: 17 August 1998
PDF: 7 pages
Proc. SPIE 3554, Photorefractive Materials: Phenomena and Related Applications II, (17 August 1998); doi: 10.1117/12.318141
Show Author Affiliations
Masayuki Shimosegawa, Chiba Univ. (Japan)
Hirohumi Watanabe, Chiba Univ. (Japan)
Takashige Omatsu, Chiba Univ. (Japan)
Akira Hasegawa, Chiba Univ. (Japan)
Mitsuhiro Tateda, Chiba Univ. (Japan)
Iwao Ogura, Chiba Univ. (Japan)


Published in SPIE Proceedings Vol. 3554:
Photorefractive Materials: Phenomena and Related Applications II
Peixian Ye; Tsutomu Shimura; Ratnakar R. Neurgaonkar, Editor(s)

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