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Optical DPSK Demodulator

 Optical differential-phase shift keying (DPSK) provides a desired modulation format that offers high receiver sensitivity, high tolerance to major nonlinear effects in high-speed transmissions, and high tolerance to coherent crosstalk. In DPSK, data information is carried by the optical phase difference between adjacent bits. For direct detection of DPSK signal (by conventional intensity detectors), a DPSK demodulator is needed to convert the phase-coded signal into an intensity-coded signal.

Features
  • Athermal design
  • C+L band coverage by a single device
  • Low temperature-dependent frequency shift (TDFS)
  • Low polarization-dependent frequency shift (PDFS)
  • Wide bandwidth
  • Low insertion loss & PDL
  • High power handling
  • Passive, semi-tunable and fully tunable operation
Optical DPSK Demodulator
Suitable for both RZ and NRZ modulation format
  • Single or dual data rate operation
  • Telcordia GR-1221 qualified
    • Applications
    • 2.5, 10, 20 or 40 Gb/s commercial DPSK signal reception
    • Customized data rate for advanced applications
    • Data rate optimization
    • Extend transmission distance

    Visit the BBN International Ltd website for more information on Optical DPSK Demodulator

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