Fujitsu develops World’s Most Compact Integrated DQPSK Receiver for 40Gbps Optical Networks

Fujitsu today announced the development of the world’s most compact Integrated DQPSK Receiver which employs a balanced receiver and a delay line interferometer using PLC technology. Fujitsu40G Integrated DQPSK Receiver is designed for use in 40Gbps transponders for 40Gbps optical networks, which are being widely adopted by telecommunications carriers worldwide. DQPSK acronym for Differential Quadrature Phase Shift Keying is a method of phase modulation for digital signals, in which 2 bits of data are allocated to each of 4 modulated optical phases.

Sales of Fujitsu40G Integrated DQPSK Receiver will begin February 1st, 2010. The compact receiver will improve the miniaturization of 40Gbps transponders, thereby making it possible to manufacture environmental-friendly optical transmission equipment for 40Gbps optical networks. . Fujitsu40G Integrated DQPSK Receiver measures 45mm x 27mm x 8mm.

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