The PDLPro (PDLE-101) PDL Source/Emulator from General Photonics (Chino,
CA) aids in testing to ensure that high speed fiber optic transceivers
and coherent detection systems meet their stringent PDL tolerance
specifications. The PDLE-101 is specifically designed for performance
measurement of the PDL tolerance, tracking speed and recovery time of
the PDL mitigation algorithm of a coherent detection system. Other
applications include PDL emulation; code development for PDL
compensation in coherent detection systems; and system PDL response
testing. The PDLE-101 can generate individual PDL values between 0 dB
and 20 dB, with a resolution of 0.1 dB for PDL tolerance testing. It
can also generate variable PDL with a user-defined range, waveform, and
speed for PDL tracking speed and recovery time tests.
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