Ultra-sensitive sensor based on whispering gallery mode micro-resonators
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Engineering topics
Publications and source records attributed to Iltchenko, V..
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An important step towards integration of microspheres in compact functional photonics devices, we demonstrate direct efficient coupling of light in and out of high-Q whispering-gallery (WG) modes in silica microspheres using angle-polished single mode fibers.
With suggested applications varying from microlaser and cavity QED through optical locking of diode lasers to modulators and sensores, high-Q silica microspheres with whispering-gallery (WG) modes so far remain the subject of tabletop feasibility demonstrations.
Optical microsphere cavities, with their exceptionally high quality-factor and submillimeter dimensions, present an attractive new building block for fiber optics and photonics applications.