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Conferences > IQEC > 1992 > WeB > WeB2
  • XVIII International Quantum Electronics Conference
  • Technical Digest Series (Optica Publishing Group, 1992),
  • paper WeB2

Photorefractive Two-Wave Mixing Gain Enhancement in inP at 1064 nm

H. J. Eichler, Y. Ding, and B. Smandek

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Abstract

In photorefractive semiconductors the gain coefficient with the sample thickness d and the pump and signal beam intensities Ip, Is can be enhanced by an externally applied electrical field. Whereas this results in a loss of the optimal π/2 phase shift between the light interference pattern and the refractive index grating, a recently detected intensity-temperature resonance in InP:Fe restores this optimal phase shift. This resulted in Two Wave Mixing (TWM) gain coefficients, of 11.4 cm-1 at 1064 nm in InP:Fe.[1]

© 1992 IQEC

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