期刊
OPTICS EXPRESS
卷 18, 期 4, 页码 3582-3591出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.003582
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- DARPA MTO POPS
- Cornell Center for Nanoscale Systems
- NSF
- New York State Office of Science, Technology and Academic Research
- DARPA DSO Slow-Light
We demonstrate reduction of the free-carrier lifetime in a silicon nanowaveguide from 3 ns to 12.2 ps by applying a reverse bias across an integrated p-i-n diode. This observation represents the shortest free-carrier lifetime demonstrated to date in silicon waveguides. Importantly, the presence of the p-i-n structure does not measurably increase the propagation loss of the waveguide. We derive a figure of merit demonstrating equal dependency of the nonlinear phase shift on free-carrier lifetime and linear propagation loss. (C) 2010 Optical Society of America
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