Abstract
A novel ultracompact electro-optic phase modulator based on a single 9 μm-diameter III-V microdisk resonator heterogeneously integrated on and coupled to a nanophotonic waveguide is presented. Modulation is enabled by effective index modification through carrier injection. Proof-of-concept implementation involving binary phase shift keying modulation format is assembled. A power imbalance of between both symbols and a modulation rate up to 1.8 Gbps are demonstrated without using any special driving technique.
©2012 Optical Society of America
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