Abstract
A field trial of 100GE signal transmission using dual-carrier differential
quadrature phase shift keying (DC-DQPSK) based optical transceiver is demonstrated
for 100 Gb/s metro area network. Neither high-end ADC/DSP nor fast optical
polarization tracking is required in the DC-DQPSK based optical transceiver,
which results in low electrical power consumption of ~35 W. The measured OSNR sensitivity
of DC-DQPSK optical transceiver at the BER of 10<sup>-3</sup> is 18.3 dB. After the transmission
through 516 km of installed fiber and ROADM, an error-free
transmission of 100GE signal over 106 hours with OTU4 framer and forward error
correction (FEC) decoding proves feasibility of DC-DQPSK optical transceiver
for 100G metro network applications.
© 2012 IEEE
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