All-optical cw laser polarization conversion at 1.55 μm by two-beam coupling in nematic liquid crystal films

I. C. Khoo; J. Ding

doi:10.1063/1.1510965

All-optical cw laser polarization conversion at 1.55 μm by two-beam coupling in nematic liquid crystal films

I. C. Khoo, J. Ding

Materials Research Institute (MRI)

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

30 Scopus citations

Abstract

We have demonstrated efficient all-optical polarization conversion of cw 1.55 μm laser in nematic liquid crystal films. The process is mediated by coherent two-beam coupling effect between an incident polarized laser and its orthogonally polarized noise component scattered by the director axis fluctuations. We report here a quantitative theory that accounts for severe pump depletion and high-efficiency polarization conversion and demonstrate good agreement with experimental observations.

Original language	English (US)
Pages (from-to)	2496-2498
Number of pages	3
Journal	Applied Physics Letters
Volume	81
Issue number	14
DOIs	https://doi.org/10.1063/1.1510965
State	Published - Sep 30 2002

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1510965

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title = "All-optical cw laser polarization conversion at 1.55 μm by two-beam coupling in nematic liquid crystal films",

abstract = "We have demonstrated efficient all-optical polarization conversion of cw 1.55 μm laser in nematic liquid crystal films. The process is mediated by coherent two-beam coupling effect between an incident polarized laser and its orthogonally polarized noise component scattered by the director axis fluctuations. We report here a quantitative theory that accounts for severe pump depletion and high-efficiency polarization conversion and demonstrate good agreement with experimental observations.",

author = "Khoo, {I. C.} and J. Ding",

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AU - Khoo, I. C.

AU - Ding, J.

PY - 2002/9/30

Y1 - 2002/9/30

N2 - We have demonstrated efficient all-optical polarization conversion of cw 1.55 μm laser in nematic liquid crystal films. The process is mediated by coherent two-beam coupling effect between an incident polarized laser and its orthogonally polarized noise component scattered by the director axis fluctuations. We report here a quantitative theory that accounts for severe pump depletion and high-efficiency polarization conversion and demonstrate good agreement with experimental observations.

AB - We have demonstrated efficient all-optical polarization conversion of cw 1.55 μm laser in nematic liquid crystal films. The process is mediated by coherent two-beam coupling effect between an incident polarized laser and its orthogonally polarized noise component scattered by the director axis fluctuations. We report here a quantitative theory that accounts for severe pump depletion and high-efficiency polarization conversion and demonstrate good agreement with experimental observations.

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All-optical cw laser polarization conversion at 1.55 μm by two-beam coupling in nematic liquid crystal films

Abstract

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