In-line single-mode fiber variable optical attenuator based on electrically addressable microdroplets | Zendy

Anna Duduś | Zendy; Robert Blue | Zendy; Michele Zagi | Zendy; George Stewart | Zendy; Deepak Uttamchandani | Zendy

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In-line single-mode fiber variable optical attenuator based on electrically addressable microdroplets

Author(s) -

Anna Duduś,

Robert Blue,

Michele Zagi,

George Stewart,

Deepak Uttamchandani

Publication year - 2014

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4890478

Subject(s) - optical attenuator , electrowetting , optical fiber , materials science , attenuator (electronics) , optics , miniaturization , single mode optical fiber , optoelectronics , microfluidics , attenuation , digital microfluidics , multi mode optical fiber , physics , nanotechnology , dielectric

We report an in-line, fiber optic, broadband variable optical attenuator employing a side-polished, single-mode optical fiber integrated on a digital microfluidics platform. The system is designed to electrically translate a liquid droplet along the polished surface of an optical fiber using electrowetting forces. This fiber optic device has the advantage of no moving mechanical parts and lends itself to miniaturization. A maximum attenuation of 25 dB has been obtained in the wavelength range between 1520 nm and 1560 nm

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