Journal article
Towards Polarization Diversity on the SOI Platform With Simple Fabrication Process
Ultra-fast Optical Communication, Department of Photonics Engineering, Technical University of Denmark1
Department of Photonics Engineering, Technical University of Denmark2
South China Normal University3
Nanophotonic Devices, Department of Photonics Engineering, Technical University of Denmark4
Wuhan University of Science and Technology5
We present a polarization diversity circuit built on the silicon-on-insulator (SOI) platform, which can be fabricated by a simple process. The polarization diversity is based on two identical air-clad asymmetrical directional couplers, which simultaneously play the roles of polarization splitter and rotator.
A silicon polarization diversity circuit with a single microring resonator is fabricated on the SOI platform. Only ${1-dB polarization-dependent loss is demonstrated. A significant improvement of the polarization dependence is obtained for 20-Gb/s nonreturn-to-zero differential phase-shift keying (NRZ-DPSK) demodulation using the polarization diversity circuit, compared to a single microring resonator without polarization diversity.
Language: | English |
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Publisher: | IEEE |
Year: | 2011 |
Pages: | 1808-1810 |
ISSN: | 19410174 and 10411135 |
Types: | Journal article |
DOI: | 10.1109/LPT.2011.2169776 |
ORCIDs: | Ding, Yunhong , Ou, Haiyan and Yvind, Kresten |
Integrated optics devices Microring resonator Nonreturn-to-zero differential phase-shift keying (NRZ-DPSK) demodulation Polarization diversity
Couplings Demodulation Fabrication NRZ-DPSK Optical waveguides Optimized production technology Photonics SOI platform Silicon air clad asymmetrical directional coupler bit rate 20 Gbit/s fabrication process integrated optics microring resonator nonreturn-to-zero differential phase shift keying demodulation nonreturn-to-zero differential phase-shift keying (NRZ-DPSK) demodulation optical beam splitters optical communication equipment optical directional couplers optical fabrication optical feedback optical resonators phase shift keying polarization diversity polarization diversity circuit polarization splitter rotator silicon-on-insulator