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Photonics 2016, 3(4), 52; doi:10.3390/photonics3040052

External Control of Dissipative Coupling in a Heterogeneously Integrated Photonic Crystal—SOI Waveguide Optomechanical System

1
Laboratoire de Photonique et Nanostructures LPN-CNRS UPR-20, Route de Nozay, 91460 Marcoussis, France
2
Université Paris Diderot, F-75205 Paris CEDEX 13, France
Current address: Aix Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel, 13013 Marseille, France
*
Author to whom correspondence should be addressed.
Received: 31 August 2016 / Revised: 28 September 2016 / Accepted: 29 September 2016 / Published: 12 October 2016
(This article belongs to the Special Issue Nano-Optomechanics)
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Abstract

Cavity optomechanical systems with an enhanced coupling between mechanical motion and electromagnetic radiation have permitted the investigation of many novel physical effects. The optomechanical coupling in the majority of these systems is of dispersive nature: the cavity resonance frequency is modulated by the vibrations of the mechanical oscillator. Dissipative optomechanical interaction, where the photon lifetime in the cavity is modulated by the mechanical motion, has recently attracted considerable interest and opens new avenues in optomechanical control and sensing. In this work we demonstrate an external optical control over the dissipative optomechanical coupling strength mediated by the modulation of the absorption of a quantum dot layer in a hybrid optomechanical system. Such control enhances the capability of tailoring the optomechanical coupling of our platform, which can be used in complement to the previously demonstrated control of the relative (dispersive to dissipative) coupling strength via the geometry of the integrated access waveguide. View Full-Text
Keywords: optomechanics; cavity optomechanics; photonic crystals; quantum dots optomechanics; cavity optomechanics; photonic crystals; quantum dots
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Tsvirkun, V.; Surrente, A.; Raineri, F.; Beaudoin, G.; Raj, R.; Sagnes, I.; Robert-Philip, I.; Braive, R. External Control of Dissipative Coupling in a Heterogeneously Integrated Photonic Crystal—SOI Waveguide Optomechanical System. Photonics 2016, 3, 52.

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