Ultra-low power, Zeno effect based optical modulation in a degenerate V-system with a tapered nano fiber in atomic vapor

K. Salit; M. Salit; Subramanian Krishnamurthy; Y. Wang; P. Kumar; M. S. Shahriar

doi:10.1364/OE.19.022874

Ultra-low power, Zeno effect based optical modulation in a degenerate V-system with a tapered nano fiber in atomic vapor

K. Salit^*, M. Salit, Subramanian Krishnamurthy, Y. Wang, P. Kumar, M. S. Shahriar

^*Corresponding author for this work

Electrical and Computer Engineering

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

28 Scopus citations

Abstract

We demonstrate an ultra-low light level optical modulator using a tapered nano fiber embedded in a hot rubidium vapor. The control and signal beams are co-propagating but orthogonally polarized, leading to a degenerate V-system involving coherent superpositions of Zeeman sublevels. The modulation is due primarily to the quantum Zeno effect for the signal beam induced by the control beam. For a control power of 40 nW and a signal power of 100 pW, we observe near 100% modulation. The ultra-low power level needed for the modulation is due to a combination of the Zeno effect and the extreme field localization in the evanescent field around the taper.

Original language	English (US)
Pages (from-to)	22874-22881
Number of pages	8
Journal	Optics Express
Volume	19
Issue number	23
DOIs	https://doi.org/10.1364/OE.19.022874
State	Published - Nov 7 2011

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.19.022874

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@article{1a7c3c8a2ad44566ad666e40de6c60d7,

title = "Ultra-low power, Zeno effect based optical modulation in a degenerate V-system with a tapered nano fiber in atomic vapor",

abstract = "We demonstrate an ultra-low light level optical modulator using a tapered nano fiber embedded in a hot rubidium vapor. The control and signal beams are co-propagating but orthogonally polarized, leading to a degenerate V-system involving coherent superpositions of Zeeman sublevels. The modulation is due primarily to the quantum Zeno effect for the signal beam induced by the control beam. For a control power of 40 nW and a signal power of 100 pW, we observe near 100% modulation. The ultra-low power level needed for the modulation is due to a combination of the Zeno effect and the extreme field localization in the evanescent field around the taper.",

author = "K. Salit and M. Salit and Subramanian Krishnamurthy and Y. Wang and P. Kumar and Shahriar, {M. S.}",

note = "Funding Information: This effort was made possible by generous grants from the Simons Foundation , USA and the Flight Attendant Medical Research Institute , USA, and philanthropic gifts from Sonia Gardner in loving memory of her father, Moise Lasry, and from Arthur and Selma Rabin. These sponsors had no involvement in study design; in the collection, analysis and interpretation of data; in the writing of the report; or in the decision to submit the article for publication.",

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doi = "10.1364/OE.19.022874",

language = "English (US)",

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T1 - Ultra-low power, Zeno effect based optical modulation in a degenerate V-system with a tapered nano fiber in atomic vapor

AU - Salit, K.

AU - Salit, M.

AU - Krishnamurthy, Subramanian

AU - Wang, Y.

AU - Kumar, P.

AU - Shahriar, M. S.

N1 - Funding Information: This effort was made possible by generous grants from the Simons Foundation , USA and the Flight Attendant Medical Research Institute , USA, and philanthropic gifts from Sonia Gardner in loving memory of her father, Moise Lasry, and from Arthur and Selma Rabin. These sponsors had no involvement in study design; in the collection, analysis and interpretation of data; in the writing of the report; or in the decision to submit the article for publication.

PY - 2011/11/7

Y1 - 2011/11/7

N2 - We demonstrate an ultra-low light level optical modulator using a tapered nano fiber embedded in a hot rubidium vapor. The control and signal beams are co-propagating but orthogonally polarized, leading to a degenerate V-system involving coherent superpositions of Zeeman sublevels. The modulation is due primarily to the quantum Zeno effect for the signal beam induced by the control beam. For a control power of 40 nW and a signal power of 100 pW, we observe near 100% modulation. The ultra-low power level needed for the modulation is due to a combination of the Zeno effect and the extreme field localization in the evanescent field around the taper.

AB - We demonstrate an ultra-low light level optical modulator using a tapered nano fiber embedded in a hot rubidium vapor. The control and signal beams are co-propagating but orthogonally polarized, leading to a degenerate V-system involving coherent superpositions of Zeeman sublevels. The modulation is due primarily to the quantum Zeno effect for the signal beam induced by the control beam. For a control power of 40 nW and a signal power of 100 pW, we observe near 100% modulation. The ultra-low power level needed for the modulation is due to a combination of the Zeno effect and the extreme field localization in the evanescent field around the taper.

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JO - Optics Express

JF - Optics Express

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ER -

Ultra-low power, Zeno effect based optical modulation in a degenerate V-system with a tapered nano fiber in atomic vapor

Abstract

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