Analysis of Mode Switching Operation of Laser Diode by Phase Conjugate Light Injection

  • Tsutomu Shimura
  • Masayuki Tamura
  • Kazuo Kuroda

Abstract

Injection locking of lasers with mutually pumped phase conjugate mirror has various advantages compared with that using conventional optics such as mirrors and lenses.1 In this configuration, we need no alignment to inject the light into the cavity of the slave laser, and high coupling efficiency is easily achieved. We have demonstrated injection locking and mode switching operation of 780 nm diode lasers with double phase conjugate mirror2. When we tuned the frequency of the injected light and it is close enough to one of the cavity modes of the slave laser, the injected mode started oscillating and the free running mode was suppressed. Under some condition, the free running mode was completely disappeared and only the injected mode was oscillating. In this paper we analyze the mode switching characteristics of this system with the van der Pol equations.

Keywords

Cavity Mode Mode Switching Injection Power Phase Conjugate Detuning Parameter 
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References

  1. 1.
    M. Segev, S. Weiss, and B. Fischer, Coupling of diode laser arrays with photorefractive passive phase conjugate mirrors, Appl. Phys. Lett. 50:1397 (1987).CrossRefGoogle Scholar
  2. 2.
    T. Shimura, M. Tamura, and K. Kuroda, Injection locking and mode switching of a diode laser with a double phase conjugate mirror, Opt. Lett. 18:1645 (1993).CrossRefGoogle Scholar
  3. 3.
    W. E. Lamb, Jr., Theory of an optical maser, Phys. Rev. 134: A1429 (1064).CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1995

Authors and Affiliations

  • Tsutomu Shimura
    • 1
  • Masayuki Tamura
    • 1
  • Kazuo Kuroda
    • 1
  1. 1.Institute of Industrial ScienceUniversity of TokyoMinato-ku, Tokyo 106Japan

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