Single-frequency operation of a broad-area laser diode by injection locking of a complex spatial mode via a double phase conjugate mirror

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We demonstrate what is believed to be the first phase-coherent locking of a high-power broad-area diode to a single-frequency master laser. We use photorefractive double phase conjugation to lock the diode in a selfoptimized complex spatial mode while the photorefractive crystal diffracts that complex mode in a neardiffraction-limited beam.
Original languageUndefined
Pages (from-to)1061-1063
Number of pages3
JournalOptics letters
Issue number8
Publication statusPublished - 2006


  • METIS-231964
  • IR-60499

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