Optomechanically-induced transparency in parity-time-symmetric microresonators

H. Jing, Sahin Ozdemir, Z. Geng, Jing Zhang, Xin You Lü, Bo Peng, Lan Yang, Franco Nori

Research output: Contribution to journalArticle

116 Citations (Scopus)

Abstract

Optomechanically-induced transparency (OMIT) and the associated slowing of light provide the basis for storing photons in nanoscale devices. Here we study OMIT in parity-time (PT)-symmetric microresonators with a tunable gain-to-loss ratio. This system features a sideband-reversed, non-amplifying transparency, i.e., an inverted-OMIT. When the gain-to-loss ratio is varied, the system exhibits a transition from a PT-symmetric phase to a broken-PT-symmetric phase. This PT-phase transition results in the reversal of the pump and gain dependence of the transmission rates. Moreover, we show that by tuning the pump power at a fixed gain-to-loss ratio, or the gain-to-loss ratio at a fixed pump power, one can switch from slow to fast light and vice versa. These findings provide new tools for controlling light propagation using nanofabricated phononic devices.

Original languageEnglish (US)
Article number9663
JournalScientific reports
Volume5
DOIs
StatePublished - Jun 12 2015

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parity
pumps
sidebands
tuning
propagation
photons

All Science Journal Classification (ASJC) codes

  • General

Cite this

Jing, H. ; Ozdemir, Sahin ; Geng, Z. ; Zhang, Jing ; Lü, Xin You ; Peng, Bo ; Yang, Lan ; Nori, Franco. / Optomechanically-induced transparency in parity-time-symmetric microresonators. In: Scientific reports. 2015 ; Vol. 5.
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Optomechanically-induced transparency in parity-time-symmetric microresonators. / Jing, H.; Ozdemir, Sahin; Geng, Z.; Zhang, Jing; Lü, Xin You; Peng, Bo; Yang, Lan; Nori, Franco.

In: Scientific reports, Vol. 5, 9663, 12.06.2015.

Research output: Contribution to journalArticle

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AU - Jing, H.

AU - Ozdemir, Sahin

AU - Geng, Z.

AU - Zhang, Jing

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AU - Peng, Bo

AU - Yang, Lan

AU - Nori, Franco

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