1 micros tunable delay using parametric mixing and optical phase conjugation in Si waveguides
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Yitang Dai1, Xianpei Chen, Yoshitomo Okawachi
1School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853, USA. yd82@cornell.edu
Optics Express
|April 29, 2009
Abstract:
We demonstrate continuously tunable optical delays as large as 1.1 micros range for 10 Gb/s NRZ optical signals based on four-wave mixing (FWM) process in silicon waveguide. The large delay range is made possible by a novel wavelength-optimized optical phase conjugation scheme, which allows for tunable dispersion compensation to minimize the residual group-velocity dispersion (GVD) for the entire tuning range.
