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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| Authors: | van Voorst P D Offerhaus H L Boller K J |
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| Institution: | Department of Physics, Twente University, Enschede, The Netherlands. p.d.vanvoorst@utwente.nl |
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| Abstract: | 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 self-optimized complex spatial mode while the photorefractive crystal diffracts that complex mode in a near-diffraction-limited beam. |
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