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15 March 2016 Cavity optomechanics with 2D photonic crystal membrane reflectors
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Proceedings Volume 9757, High Contrast Metastructures V; 97570T (2016)
Event: SPIE OPTO, 2016, San Francisco, California, United States
Membranes made from silicon nitride have significantly higher mechanical Q-factors under tensile stress than those made of other dielectric materials. This makes them ideal candidates for membrane reflectors that provide high finesse in Fabry-Perot cavities or membrane-in-the-middle optomechanical systems. Building on our previous work with one-dimensional gratings on suspended membranes, we patterned two-dimensional photonic crystal gratings on monolithic, suspended membranes made from silicon nitride. These high-Q membranes exhibited high reflectivity, upwards of 99%, over several nanometers in the telecom band. To probe their optical response in a cavity environment, we used these membrane reflectors as the moving mirror in a Fabry-Perot cavity. We were able to realize cavities with a finesse of over 4,500.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Navin B. Lingaraju, Yichen Shuai, and John Lawall "Cavity optomechanics with 2D photonic crystal membrane reflectors", Proc. SPIE 9757, High Contrast Metastructures V, 97570T (15 March 2016);


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