An efficient optical knob from slow light to fast light in a coupled nanomechanical resonator-quantum dot system | Zendy

Jinjin Li | Zendy; KaDi Zhu | Zendy

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An efficient optical knob from slow light to fast light in a coupled nanomechanical resonator-quantum dot system

Author(s) -

Jinjin Li,

KaDi Zhu

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.019874

Subject(s) - slow light , resonator , quantum dot , physics , optics , coupling (piping) , resonance (particle physics) , optical cavity , optoelectronics , population , oscillation (cell signaling) , exciton , quantum optics , whispering gallery wave , laser , materials science , photonic crystal , quantum mechanics , chemistry , biochemistry , demography , sociology , metallurgy

We theoretically present a highly efficient optical method to obtain slow and fast light in a coupled system consisting of a nanomechanical resonator and quantum dots in terms of mechanically induced coherent population oscillation (MICPO). Turning on or turning off the specific detuning of pump field from exciton resonance, this coupling system can provide us a direct optical way to obtain the slow or fast group velocity without absorption. Our coupling scheme proposed here works as a fast and slow-light knob and may have potential applications in various domains such as optical communication and biology sensor.

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