The O band 相干接收机 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.
该 O band 相干接收机ICR Coherent Receiver 采用结构2X4 90°光混频器和高速光电平衡探测器组合而成，具有体积小，高带宽，高灵敏度低噪声特点.
Description
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. Features
Up to 32GBaud, 30GHz 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, 1290~1330nm wavelength range
OIF compliant and RoHS compliant
Application
128Gbps Ethernet Transmission Systems
Single polarization coherent detection QPSK receiver
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