At a Glance
- Fully differential optical receiver frontend in a 19“ 1HE-chassis
- Coherent detection of highspeed optical QPSK and n-QAM signals
- Different versions are also available
Features
- Includes coherent receiver module with integrated beam splitter, 4 balanced photoreceivers/-detectors and optical 90° hybrid
- Different versions for 100 Gbit/s DP-QPSK and up to 64 Gbaud n-QAM
- Up to 8 Electrical RF-outputs for pos./neg., I/Q and both polarizations
- Optical inputs for LO/data signal
- Automatic or manually tunable gain and peakdetector output in TIA-version
Applications
- Coherent detection of high-speed data signals with various modulation formats (QPSK, n-QAM)
- Coherent receiver frontend for optical data transmission
- O/E converter for detection of arbitrary optical waveforms
- High-resolution optical spectrum measurements
Specifications
- Operating wavelength range (nm): C-band (1530 – 1570) or L-band (1570 – 1612)
- 3dB cut-off frequency (GHz): typical 25, typical 40*
- Average photodiode responsivity (mA/W): typical 50
- Common mode rejection ratio (dBe): typical -20
- Imbalance ISig and ILO (dBo): < 2
- Phase deviation (deg): +/- 5, +/- 1*
- Polarization extinction ratio for Sig & LO (dBo): typical 20
* depending on the implemented coherent receiver version
