Towards Polarization Diversity on the SOI Platform With Simple Fabrication Process

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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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.
Original languageEnglish
JournalI E E E Photonics Technology Letters
Publication date2011
Volume23
Journal number23
Pages1808-1810
ISSN1041-1135
DOIs
StatePublished

Bibliographical note

Color versions of one or more of the figures in this letter are available online at http://ieeexplore.ieee.org.

CitationsWeb of Science® Times Cited: 7

Keywords

  • Integrated optics devices, Microring resonator, Nonreturn-to-zero differential phase-shift keying (NRZ-DPSK) demodulation, Polarization diversity
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