Generation of Time Subharmonic by Two-Wave Mixing in CdTe under Low Frequency AC Field

A. V. Khomenko; K. V. Shcherbin; M. García-Zárate

doi:10.1364/PR.2007.TuA2

Controlling Light with Light: Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials and More
OSA Technical Digest (CD) (Optica Publishing Group, 2007),
paper TuA2
•https://doi.org/10.1364/PR.2007.TuA2

Generation of Time Subharmonic by Two-Wave Mixing in CdTe under Low Frequency AC Field

A. V. Khomenko, K. V. Shcherbin, and M. García-Zárate

Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials and More 2007

Squaw Creek, California United States
14–16 October 2007
ISBN: 1-55752-848-9

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Beam Propagation and Coupling (TuA)

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A. V. Khomenko, K. V. Shcherbin, and M. García-Zárate, "Generation of Time Subharmonic by Two-Wave Mixing in CdTe under Low Frequency AC Field," in Controlling Light with Light: Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials and More, OSA Technical Digest (CD) (Optica Publishing Group, 2007), paper TuA2.

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Abstract

Generation of time subharmonic in two-wave mixing experiment in CdTe:Ge with low frequency ac electric field and auxiliary incoherent illumination is reported. The oscillation of beam intensity occurs when the period of ac field is longer than the response time of the crystal. The time frequency spectrum of the oscillation reveals harmonics and subharmonic of ac-field frequency f. We show that the amplitudes of subharmonic f/2 and 3f/2 depend on the balance between electron and hole generation controlled in our experiments by auxiliary light.

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