Polarization Diverse Receiver
Our polarization diverse receiver (PDR) operates at wavelengths 1060, 1310, or 1550 nm and mixes an incoming signal with a reference (local oscillator), thereby shifting any phase and amplitude fluctuations on the optical carrier to a carrier at an electronic frequency.Full Product Description
- 1060 nm, 1310 nm, 1550 nm
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The S and P states of polarization of the mixed-signal are analyzed with a pair of balanced detectors. Our PDR is housed in a compact, hermetically sealed, package with direct electrical connections to its four photodiodes.
A sample and reference signals are first split by a non-polarizing beam-splitter, followed by polarization state splitting by a polarizing beam-splitter. The resulting four channels (S+, S-, P+, and P-) allow polarization diverse detection with common-mode rejection.
- Low noise
- Compact Hermetically sealed package
|Wavelength||1060 nm, 1310 nm, 1550 nm|
|Wavelength||1060 nm||1310 nm||1550 nm|
|Fiber type||Singlemode, both inputs||Singlemode, both inputs||PM Reference input / SM Sample input|
|Excess loss, sample channels||0.5 dB||0.5 dB||0.5 dB|
|Photodiode responsivity||0.73 A/W||0.90 A/W||0.95 A/W|
|Balanced pair CMRR||35 dB||35 dB||35 dB|
|Return loss||25 dB||25 dB||25 dB|
|OPD between channel pairs||<2 mm||<2 mm||<2 mm|
|Polarization Extinction Ratio (PER)||>25 dB||>25 dB||>25 dB|
|Interference fringe visibility with 50/50 input||>90 %||>90 %||>90 %|
|Detector linearity/saturation||>5 mW||>5 mW||>5 mW|
|Detector 3 dB bandwidth||>1.75 GHz||>1.75 GHz||>1.75 GHz|
|Detector capacitance||<0.65 pF||<0.65 pF||<0.65 pF|
|Detector reverse voltage||<20 V||<20 V||<20 V|
|Dark current at 5 V reverse bias||0.03 nA||0.03 nA||0.03 nA|
|Detector reverse current||<1 mA||<1 mA||<1 mA|
|Detector forward current||<5 mA||<5 mA||<5 mA|
|Fiber pigtail sleeving and length||900 µm loose tube sleeving, >1 m||900 µm loose tube sleeving, >1 m||900 µm loose tube sleeving, >1 m|
|Dimensions||51.0 mm x 30.5 mm x 10.1 mm||51.0 mm x 30.5 mm x 10.1 mm||51.0 mm x 30.5 mm x 10.1 mm|
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