------The KY-ICR seriesKey Featuresl Wavelength: C-bandl Single-channel bandwidth:10M/200M/1Gl Integrated 90 ° Hybrid and 4-way balanced detectorl High gainl Low noisel AC couplingl Easy to usel DC 5V power supplyl SMA outputApplicationsl Space optical communication systeml Optical fiber sensing systemDescriptionThe KY-ICR-BW coherent receiver module consists of two polarization beam splitters, a dual-polarization 90-degree optical mixer, four performance-matched balanced detectors and power and control circuits. The dual-polarization 90-degree optical mixer demodulates the incident signal light by an external reference light source, and is converted into an electrical signal by four balanced detectors, then amplified o...