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Orthogonal-Polarization Diode Ring Laser and Its Gain Modulation

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Abstract

A diode ring cavity incorporating Faraday rotators and a variable phase retarder has been constructed aiming at achieving dual-frequency lasing operation with orthogonal linear polarizations. The orthogonal-polarization oscillations were observed in the 0.8-μm region with various operation wavelengths by changing the applied retardation. Furthermore the output power definitely depended on the applied retardation. Its dependence was theoretically studied, and the gain analysis taking into consideration the reflection at the laser diode amplifier facets was in good accordance with the experimental results.

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Author notes

  1. Kazuyoshi Horie

    Present address: Sony Corp., 6-7-35, Kitashinagawa, Shinagawa-ku, Tokyo, 141, Japan

Authors and Affiliations

  1. Department of Electronic Engineering, Faculty of Engineering, Gunma University, 1-5-1, Tenjin-cho, Kiryu, Gunma, 376, Japan

    Yoshitaka Takahashi, Toshihiko Yoshino & Kazuyoshi Horie

Authors
  1. Yoshitaka Takahashi
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  2. Toshihiko Yoshino
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  3. Kazuyoshi Horie
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Correspondence to Yoshitaka Takahashi.

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Takahashi, Y., Yoshino, T. & Horie, K. Orthogonal-Polarization Diode Ring Laser and Its Gain Modulation. OPT REV 4, 417–422 (1997). https://doi.org/10.1007/s10043-997-0417-2

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  • DOI: https://doi.org/10.1007/s10043-997-0417-2

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