2D photonic-crystal optomechanical nanoresonator

Abstract

We present the optical optimization of an optomechanical device based on a suspended InP membrane patterned with a 2D near-wavelength grating (NWG) based on a 2D photonic-crystal geometry. We first identify by numerical simulation a set of geometrical parameters providing a reflectivity higher than 99.8 % over a 50-nm span. We then study the limitations induced by the finite value of the optical waist and lateral size of the NWG pattern using different numerical approaches. The NWG grating, pierced in a suspended InP 265 nm-thick membrane, is used to form a compact microcavity involving the suspended nano-membrane as end mirror. The resulting cavity has a waist size smaller than 10 $\mu$m and a finesse in the 200 range. It is used to probe the Brownian motion of the mechanical modes of the nanomembrane.

References in corpus (12)

• Strong dispersive coupling of a high finesse cavity to a micromechanical membrane
• Self-cooling of a micro-mirror by radiation pressure
• Bidirectional and efficient conversion between microwave and optical light
• A picogram and nanometer scale photonic crystal opto-mechanical cavity
• Probing Planck-scale physics with quantum optics
• Large Quantum Superpositions and Interference of Massive Nanometer-Sized Objects
• Observation of Radiation Pressure Shot Noise on a Macroscopic Object
• Dispersive optomechanics: a membrane inside a cavity
• Mechanically Compliant Grating Reflectors for Optomechanics
• Deformable two-dimensional photonic crystal slab for cavity optomechanics
• High reflectivity grating waveguide coatings for 1064nm
• A micropillar for cavity optomechanics

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• Cavity Optomechanics with Photonic Bound States in the Continuum
• Cavity Mode Frequencies and Strong Optomechanical Coupling in Two-Membrane Cavity Optomechanics
• Suspended photonic crystal membranes in AlGaAs heterostructures for integrated multi-element optomechanics
• High-Q trampoline resonators from strained crystalline InGaP for integrated free-space optomechanics
• Phononically shielded photonic-crystal mirror membranes for cavity quantum optomechanics
• Integrated microcavity optomechanics with a suspended photonic crystal mirror above a distributed Bragg reflector
• Remote Macroscopic Entanglement on a Photonic Crystal Architecture
• Quasibound states in the continuum in photonic-crystal-based optomechanical microcavities
• Light modulation in Silicon photonics by PZT actuated acoustic waves