Photonic crystal slabs for optomechanics (Conference Presentation)

Samuel Deléglise; Xu Chen; Clement Chardin; Kevin Makles; Charles Caër; Sheon Chua; Rémy Braive; Isabelle Robert-Philip; Tristan Briant; Pierre-François Cohadon; Antoine Heidmann; Thibaut Jacqmin

doi:10.1117/12.2255829

28 April 2017 Photonic crystal slabs for optomechanics (Conference Presentation)

Samuel Deléglise, Xu Chen, Clement Chardin, Kevin Makles, Charles Caër, Sheon Chua, Rémy Braive, Isabelle Robert-Philip, Tristan Briant, Pierre-François Cohadon, Antoine Heidmann, Thibaut Jacqmin

Author Affiliations +

Proceedings Volume 10113, High Contrast Metastructures VI; 101130Y (2017) https://doi.org/10.1117/12.2255829
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Two-dimensional photonic crystal slabs (PCS) offer an appealing alternative to distributed Bragg reflectors or filters for various applications. Indeed, their scattering properties, governed by Fano-resonances, have been used in areas as diverse as optical wavelength and polarization filters, reflectors, semiconductor lasers, photodetectors, bio-sensors, or non-linear optical components. Suspended PCSs also find natural applications in the field of optomechanics, where the mechanical modes of a suspended slab interact via radiation pressure with the optical field of a high finesse cavity. The reflectivity and transmission properties of a defect-free suspended PCS around normal incidence can be used to couple out-of-plane mechanical modes to an optical field by integrating it in a free space cavity. We have demonstrated the successful implementation of a PCS reflector on a high-tensile stress Si3N4 nanomembrane. We could measure the photonic crystal band diagram with a spectrally, angular, and polarization resolved setup. Moreover, a cavity with a finesse as high as 12 000 was formed using the suspended membrane as end-mirror of a Fabry-Perot cavity. These achievements allow us to operate in the resolved sideband regime where the optical storage time exceeds the mechanical period of low-order mechanical drum modes. This condition is a prerequisite to achieve quantum control of the mechanical resonator with light.

Conference Presentation

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Samuel Deléglise, Xu Chen, Clement Chardin, Kevin Makles, Charles Caër, Sheon Chua, Rémy Braive, Isabelle Robert-Philip, Tristan Briant, Pierre-François Cohadon, Antoine Heidmann, and Thibaut Jacqmin "Photonic crystal slabs for optomechanics (Conference Presentation)", Proc. SPIE 10113, High Contrast Metastructures VI, 101130Y (28 April 2017); https://doi.org/10.1117/12.2255829

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KEYWORDS

Photonic crystals

Optomechanical design

Free space optics

Nonlinear filtering

Optical filters

Polarization

Reflectors

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