We demonstrate the tunability of a silicon nitride micro-resonator using the concept of Digital Microfluidics. Our system allows driving micro-droplets on-chip, enabling the control of the effective refractive index at the vicinity of the resonator.
(130.0130) Integrated optics : Integrated optics
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(130.4815) Integrated optics : Optical switching devices
Y. Zuta, I. Goykhman, B. Desiatov, and U. Levy, "On-chip Tunable Micro-ring Resonator Based on Digital Microfluidics Platform," in Frontiers in Optics 2010/Laser Science XXVI, OSA Technical Digest (CD) (Optical Society of America, 2010), paper FMJ7.
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