期刊
OPTICS EXPRESS
卷 18, 期 11, 页码 10941-10946出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.010941
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- DARPA MTO office [HR0011-08-9-0001]
We present a wavelength-tunable, compact, high speed and low power silicon microring modulator. With a ring radius of 5 mu m, we demonstrate a modulator with a high speed of 12.5 Gbps and a driving voltage of 3 V to achieve similar to 6 dB extinction ratio in high speed measurement. More importantly, tunability of the resonant wavelength is accomplished by means of a microheater on top of the ring, with an efficiency of 2.4 mW/nm (2.4 mW is needed to tune the resonant wavelength by 1 nm). This device aims to solve the narrow bandwidth problem of silicon microcavity modulators and increase the data bandwidth in optical interconnect systems. (C) 2010 Optical Society of America
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