In-fiber zigzag excitation for whispering-gallery modes via evanescent wave and free space coupling.
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DOI: 10.1364/oe.401894
Abstract: In this paper, we demonstrate a simple capillary-based coupler with optical zigzag transmission to excite whispering-gallery modes (WGMs) in a passive deformed microcavity. The coupler is just composed sections of a single mode fiber, a… read more here.
Keywords: gallery modes; evanescent wave; space coupling; free space ... See more keywords