Quantum nondemolition measurement of photon number via optical Kerr effect in an ultra-high- Q microtoroid cavity

Yun Feng Xiao; Şahin Kaya Özdemir; Venkat Gaddam; Chun Hua Dong; Nobuyuki Imoto; Lan Yang

doi:10.1364/OE.16.021462

Quantum nondemolition measurement of photon number via optical Kerr effect in an ultra-high- Q microtoroid cavity

Yun Feng Xiao
, Şahin Kaya Özdemir
, Venkat Gaddam
, Chun Hua Dong
, Nobuyuki Imoto
, Lan Yang

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

81 Scopus citations

Abstract

We theoretically investigate a quantum nondemolition (QND) measurement with optical Kerr effect in an ultra-high-Q microtoroidal system. The analytical and numerical results predict that the present QND measurement scheme possesses a high sensitivity, which allows for detecting few photons or even single photons. Ultra-high-Q toroidal microcavity may provide a novel experimental platform to study quantum physics with nonlinear optics at low light levels.

Original language	English
Pages (from-to)	21462-21475
Number of pages	14
Journal	Optics Express
Volume	16
Issue number	26
DOIs	https://doi.org/10.1364/OE.16.021462
State	Published - Dec 22 2008

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10.1364/OE.16.021462

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abstract = "We theoretically investigate a quantum nondemolition (QND) measurement with optical Kerr effect in an ultra-high-Q microtoroidal system. The analytical and numerical results predict that the present QND measurement scheme possesses a high sensitivity, which allows for detecting few photons or even single photons. Ultra-high-Q toroidal microcavity may provide a novel experimental platform to study quantum physics with nonlinear optics at low light levels.",

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AU - Xiao, Yun Feng

AU - Özdemir, Şahin Kaya

AU - Gaddam, Venkat

AU - Dong, Chun Hua

AU - Imoto, Nobuyuki

AU - Yang, Lan

PY - 2008/12/22

Y1 - 2008/12/22

N2 - We theoretically investigate a quantum nondemolition (QND) measurement with optical Kerr effect in an ultra-high-Q microtoroidal system. The analytical and numerical results predict that the present QND measurement scheme possesses a high sensitivity, which allows for detecting few photons or even single photons. Ultra-high-Q toroidal microcavity may provide a novel experimental platform to study quantum physics with nonlinear optics at low light levels.

AB - We theoretically investigate a quantum nondemolition (QND) measurement with optical Kerr effect in an ultra-high-Q microtoroidal system. The analytical and numerical results predict that the present QND measurement scheme possesses a high sensitivity, which allows for detecting few photons or even single photons. Ultra-high-Q toroidal microcavity may provide a novel experimental platform to study quantum physics with nonlinear optics at low light levels.

UR - https://www.scopus.com/pages/publications/58149234964

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DO - 10.1364/OE.16.021462

M3 - Article

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SN - 1094-4087

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JO - Optics Express

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Quantum nondemolition measurement of photon number via optical Kerr effect in an ultra-high- Q microtoroid cavity

Abstract

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