Arrays of high reflectivity SiN photonic crystal membranes for cavity optomechanics
João P. Moura (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)
Claus Gärtner (Kavli institute of nanoscience Delft, University of Vienna, TU Delft - Applied Sciences)
Wouter Haaxman (Student TU Delft, Kavli institute of nanoscience Delft)
Richard A. Norte (Kavli institute of nanoscience Delft, TU Delft - Mechanical Engineering)
Simon Gröblacher (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)
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Abstract
We fabricate photonic crystal SiN membranes with reflectivity > 99.9% at 1550 nm. These form a platform for studying arrays of mechanical oscillators inside optical cavities, which can potentially reach strong single-photon optomechanical coupling.