Direct Detection of 107-Gb/s Polarization-Multiplexed DQPSK with Electronic Polarization Demultiplexing
24 February 2008
We demonstrate a direct detection scheme for a 107-Gb/s polarization-multiplexed return-to-zero DQPSK signal, featuring automatic polarization demultiplexing in the electronic domain without polarization tracking.
The required OSNR for BER = 10-3 was measured to be ~21 dB.