期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 29, 期 12, 页码 1790-1796出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2011.2141974
关键词
Nonlinear optics; optical performance monitoring (OPM); optical planar waveguides; optical signal processing; spectral analysis
资金
- Australian Research Council (ARC) through its ARC Centres of Excellence
- Linkage Programs with Finisar Australia
We demonstrate silicon-chip-based instantaneous chromatic dispersion monitoring (GVD) for an ultrahigh bandwidth 640 Gbit/s differential phase-shift keying (DPSK) signal. This monitoring scheme is based on cross-phase modulation in a highly nonlinear silicon nanowire. We show that two-photon absorption and free-carrier-related effects do not compromise the GVD monitoring performance, making our scheme a reliable on-chip CMOS-compatible, all-optical, and real-time impairment monitoring approach for up to Terabit/s DPSK signals.
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