Demodulation of DPSK signals using in-line Mach-Zehnder interferometer based on a photonic crystal fiber
Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, ChinaDOI: 10.1109/OECC.2009.5214279 Conference: OptoElectronics and Communications Conference, 2009. OECC 2009. 14th
Source: IEEE Xplore
We propose a novel fiber-based in-line DPSK demodulator using an in-fiber Mach-Zehnder interferometer (MZI). The device is fabricated by controlling the splicing mismatch between a photonic crystal fiber and standard single mode fibers.
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ABSTRACT: We have fabricated a photonic crystal fiber based Mach-Zehnder interferometer and demonstrated its use in both RZ-to-NRZ and NRZ-to-PRZ pulse format conversions for 10-Gb/s OOK signals. The PCF length is only ~165 cm.
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