Tuesday, April 26, 2011

Mitsubishi Electric to sell 40Gbps DQPSK quad PD module

TOKYO, JAPAN: Mitsubishi Electric Corp. announced the launch of a compact, power-saving 40 giga-bits per second (Gbps) differential quadrature phase shift keying (DQPSK) photodiode (PD) module for optical signal reception in transmission devices used to send large data volumes between metropolitan areas. Mitsubishi Electric will launch the FU-387SPP commercially on June 1 and expects to sell about 500 units per month.

The 40Gbps DQPSK Quad PD module integrates four photodiodes and two trans-impedance amplifiers in one package, which will contribute to the downsizing of optical transmission equipment. The energy-efficient device also features industry-leading low power consumption.

As optical communication networks transmit increasingly large amounts of data over long distances, needs are mounting for higher transmission speeds and densely spaced wavelength division multiplexed channels using multi-level formats such as DQPSK.

Transmission devices commonly use two PD modules as a set, each comprising two photodiodes and two trans-impedance amplifiers, but Mitsubishi Electric's new module combines these components in a single, smaller and integrated package.

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