Cross-phase modulation enhancement via a resonating cavity: Semiclassical description

Julián Martínez-RINCÓN; John C. Howell

doi:10.1364/JOSAB.33.001225

Cross-phase modulation enhancement via a resonating cavity: Semiclassical description

Julián Martínez-RINCÓN^*
, John C. Howell

^*Corresponding author for this work

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

Abstract

We evaluate the advantages of performing cross-phase modulation (XPM) on a very-far-off-resonance atomic system. We consider a ladder system with a weak (few-photon level) control coherent field imparting a conditional nonlinear phase shift on a probe beam. We find that by coupling to an optical resonator, the optimal XPM is enhanced proportional to the finesse of the resonator by a factor of F ?4φ. We present a semiclassical description of the system and show that the phenomenon is optimal in the self-defined condition of off-resonance effective cooperativity equal to one.

Original language	English
Pages (from-to)	1225-1232
Number of pages	8
Journal	Journal of the Optical Society of America B: Optical Physics
Volume	33
Issue number	6
DOIs	https://doi.org/10.1364/JOSAB.33.001225
State	Published - 1 Jun 2016
Externally published	Yes

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© 2016 Optical Society of America.

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10.1364/JOSAB.33.001225

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abstract = "We evaluate the advantages of performing cross-phase modulation (XPM) on a very-far-off-resonance atomic system. We consider a ladder system with a weak (few-photon level) control coherent field imparting a conditional nonlinear phase shift on a probe beam. We find that by coupling to an optical resonator, the optimal XPM is enhanced proportional to the finesse of the resonator by a factor of F ?4φ. We present a semiclassical description of the system and show that the phenomenon is optimal in the self-defined condition of off-resonance effective cooperativity equal to one.",

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AB - We evaluate the advantages of performing cross-phase modulation (XPM) on a very-far-off-resonance atomic system. We consider a ladder system with a weak (few-photon level) control coherent field imparting a conditional nonlinear phase shift on a probe beam. We find that by coupling to an optical resonator, the optimal XPM is enhanced proportional to the finesse of the resonator by a factor of F ?4φ. We present a semiclassical description of the system and show that the phenomenon is optimal in the self-defined condition of off-resonance effective cooperativity equal to one.

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JF - Journal of the Optical Society of America B: Optical Physics

IS - 6

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Cross-phase modulation enhancement via a resonating cavity: Semiclassical description

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