期刊
OPTICS EXPRESS
卷 15, 期 24, 页码 16090-16096出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.15.016090
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We experimentally demonstrate an ultra high Q/V nanocavity on SOI substrate. The design is based on modal adaptation within the cavity and allows to measure a quality factor of 58.000 for a modal volume of 0.6(lambda/ n)(3). This record Q/V value of 10(5) achieved for a structure standing on a physical substrate, rather than on membrane, is in very good agreement with theoretical predictions also shown. Based on these experimental results, we show that further refinements of the cavity design could lead to Q/V ratios close to 10(6). (c) 2007 Optical Society of America.
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