O band Coherent receiver module
The O band Coherent Receiver 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 100Gbps QPSK applications featuring high linearity and high common mode rejection ratio. The O-band ICR coherent receiver combines a 2X4 90° optical hybrid and high-speed balanced photodetectors, providing small size, high bandwidth, high sensitivity and low noise. The O band Coherent Receiver 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 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.
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