Fast, optically controlled Kerr phase shifter for digital signal processing

R. B. Li; L. Deng; E. W. Hagley; M. G. Payne; J. C. Bienfang; Z. H. Levine

doi:10.1364/OL.38.001373

Fast, optically controlled Kerr phase shifter for digital signal processing

R. B. Li, L. Deng, E. W. Hagley, M. G. Payne, J. C. Bienfang, Z. H. Levine

Emeriti, Retired & In Memoriam (COSM)

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2 Scopus citations

Abstract

We demonstrate an optically controlled Kerr phase shifter using a room-temperature ⁸⁵Rb vapor operating in a Raman gain scheme. Phase shifts from zero to π relative to an unshifted reference wave are observed, and gated operations are demonstrated. We further demonstrate the versatile digital manipulation of encoded signal light with an encoded phase-control light field using an unbalanced Mach-Zehnder interferometer. Generalizations of this scheme should be capable of full manipulation of a digitized signal field at high speed, opening the door to future applications.

Original language	English
Pages (from-to)	1373-1375
Number of pages	3
Journal	Optics Letters
Volume	38
Issue number	9
DOIs	https://doi.org/10.1364/OL.38.001373
State	Published - May 1 2013

Scopus Subject Areas

Atomic and Molecular Physics, and Optics

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AU - Deng, L.

AU - Hagley, E. W.

AU - Payne, M. G.

AU - Bienfang, J. C.

AU - Levine, Z. H.

PY - 2013/5/1

Y1 - 2013/5/1

N2 - We demonstrate an optically controlled Kerr phase shifter using a room-temperature 85Rb vapor operating in a Raman gain scheme. Phase shifts from zero to π relative to an unshifted reference wave are observed, and gated operations are demonstrated. We further demonstrate the versatile digital manipulation of encoded signal light with an encoded phase-control light field using an unbalanced Mach-Zehnder interferometer. Generalizations of this scheme should be capable of full manipulation of a digitized signal field at high speed, opening the door to future applications.

AB - We demonstrate an optically controlled Kerr phase shifter using a room-temperature 85Rb vapor operating in a Raman gain scheme. Phase shifts from zero to π relative to an unshifted reference wave are observed, and gated operations are demonstrated. We further demonstrate the versatile digital manipulation of encoded signal light with an encoded phase-control light field using an unbalanced Mach-Zehnder interferometer. Generalizations of this scheme should be capable of full manipulation of a digitized signal field at high speed, opening the door to future applications.

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Fast, optically controlled Kerr phase shifter for digital signal processing

Abstract

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