Distinct features of double phase conjugation in photorefractive semi-insulating GaAs

Doron Chomsky; Shmuel Sternklar; Steven Jackel; Arie Zigler

doi:10.1016/0030-4018(91)90038-F

Distinct features of double phase conjugation in photorefractive semi-insulating GaAs

Doron Chomsky, Shmuel Sternklar, Steven Jackel, Arie Zigler

Research output: Contribution to journal › Article › peer-review

Abstract

We present two special features of the Double Phase Conjugate Mirror (DPCM) in photorefractive semi-insulating GaAs. The first one is the apparent discrepancy between the measured photorefractive coupling coefficient for the DPCM, (Γl_DPCM=2.03) and the one of two-beam coupling (Γl_TBC=1.5) in the same crystal. The discrepancy is explained by a theoretical model which includes the effect of absorption. The second feature is the self-frequency detuning of the phase conjugate beams relative to the pump beams in the DPCM. The detuning is necessary to satisfy the DPCM oscillation condition.

Original language	English
Pages (from-to)	104-108
Number of pages	5
Journal	Optics Communications
Volume	84
Issue number	1-2
DOIs	https://doi.org/10.1016/0030-4018(91)90038-F
State	Published - 1 Jul 1991
Externally published	Yes

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abstract = "We present two special features of the Double Phase Conjugate Mirror (DPCM) in photorefractive semi-insulating GaAs. The first one is the apparent discrepancy between the measured photorefractive coupling coefficient for the DPCM, (ΓlDPCM=2.03) and the one of two-beam coupling (ΓlTBC=1.5) in the same crystal. The discrepancy is explained by a theoretical model which includes the effect of absorption. The second feature is the self-frequency detuning of the phase conjugate beams relative to the pump beams in the DPCM. The detuning is necessary to satisfy the DPCM oscillation condition.",

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AU - Chomsky, Doron

AU - Sternklar, Shmuel

AU - Jackel, Steven

AU - Zigler, Arie

PY - 1991/7/1

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N2 - We present two special features of the Double Phase Conjugate Mirror (DPCM) in photorefractive semi-insulating GaAs. The first one is the apparent discrepancy between the measured photorefractive coupling coefficient for the DPCM, (ΓlDPCM=2.03) and the one of two-beam coupling (ΓlTBC=1.5) in the same crystal. The discrepancy is explained by a theoretical model which includes the effect of absorption. The second feature is the self-frequency detuning of the phase conjugate beams relative to the pump beams in the DPCM. The detuning is necessary to satisfy the DPCM oscillation condition.

AB - We present two special features of the Double Phase Conjugate Mirror (DPCM) in photorefractive semi-insulating GaAs. The first one is the apparent discrepancy between the measured photorefractive coupling coefficient for the DPCM, (ΓlDPCM=2.03) and the one of two-beam coupling (ΓlTBC=1.5) in the same crystal. The discrepancy is explained by a theoretical model which includes the effect of absorption. The second feature is the self-frequency detuning of the phase conjugate beams relative to the pump beams in the DPCM. The detuning is necessary to satisfy the DPCM oscillation condition.

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Distinct features of double phase conjugation in photorefractive semi-insulating GaAs

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