Demodulation of DPSK signals up to 40 Gb/s using a highly birefringent photonic bandgap fiber

Christophe Peucheret, Yan Geng, Beata Zsigri, Thomas Tanggaard Alkeskjold, Theis Peter Hansen, Palle Jeppesen

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Phase-to-intensity modulation conversion of differential phase-shift keying signals is successfully demonstrated at 10 and 40 Gb/s using a polarization Mach-Zehnder delay interferometer implemented with only 2.4 m of a highly birefringent air-guiding photonic bandgap (PBG) fiber. Such a PBG fiber exhibits a birefringence one order of magnitude larger than that of conventional polarization-maintaining fibers, thus enabling the realization of compact interferometers. Furthermore, its single material nature is expected to result in reduced temperature sensitivity.
Original languageEnglish
JournalI E E E Photonics Technology Letters
Issue number12
Pages (from-to)1392-1394
Publication statusPublished - 2006

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