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Conferences > CLEO_SI > 2014 > SF1O > SF1O.3

On-chip synthesis of circularly polarized light with a 2D grating emitter

Li He and Mo Li

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Abstract

We demonstrate a 2D grating emitter that emits circularly polarized light beam synthesized from a waveguide mode. A micro-heater is integrated to control handedness of the circularly polarized light. The device shows emission efficiency of about 8%, while simulations predict much higher efficiency of 72% with ideal conditions. Such a device could serve as an interface between silicon photonic waveguides and helicity-dependent optoelectronic devices.

© 2014 Optical Society of America

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