100Gbps Coherent DP-QPSK Receiver, Fujitsu FIM24706, PBS and Hybrid Integrated


The coherent receiver module FIM24706 consists of an integrated polarization beam splitter and four balanced photo-receivers monolithically integrated with optical 90° hybrids. The receiver is a fully differential optical front-end suited for 128Gbps DP-QPSK applications featuring high linearity and high common mode rejection ratio. The optical 90° hybrids demodulate the I/Q incident signal for each respective polarization state using external reference oscillator laser sources. The mixing products are detected by PIN-photodiodes and amplified by trans-impedance amplifiers (TIA) with linear transfer characteristics.

General Description

  • Up to 4x32GBaud, 22GHz 3dB small signal bandwidth
  • Coplanar waveguide RF-output interface
  • Polarization diversity, input signal power monitor
  • Optical input power Max.13dBm for LO and -18~0dBm for SIG,
  • 18dB dynamic range, 1528~1567nm wavelength range
  • OIF compliant and RoHS compliant

Applications

  • 128Gbps Ethernet Transmission Systems
  • Dual polarization coherent detection QPSK receiver
  • Intradyne and homodyne coherent detection

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