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 journalArticle

56 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)21462-21475
Number of pages14
JournalOptics Express
Volume16
Issue number26
DOIs
StatePublished - Dec 22 2008

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Kerr effects
Q factors
cavities
nonlinear optics
photons
platforms
physics
sensitivity

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Xiao, Yun Feng ; Özdemir, Şahin Kaya ; Gaddam, Venkat ; Dong, Chun Hua ; Imoto, Nobuyuki ; Yang, Lan. / Quantum nondemolition measurement of photon number via optical Kerr effect in an ultra-high- Q microtoroid cavity. In: Optics Express. 2008 ; Vol. 16, No. 26. pp. 21462-21475.
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Quantum nondemolition measurement of photon number via optical Kerr effect in an ultra-high- Q microtoroid cavity. / Xiao, Yun Feng; Özdemir, Şahin Kaya; Gaddam, Venkat; Dong, Chun Hua; Imoto, Nobuyuki; Yang, Lan.

In: Optics Express, Vol. 16, No. 26, 22.12.2008, p. 21462-21475.

Research output: Contribution to journalArticle

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