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SOA is used for amplifying an optical signal. SOAs are included in the optical transceiver modules used for communication between data centers to amplify the optical signal in the 1.3 um band used for Ethernet communication in order to compensate for transmission loss.

SOA schematic

Anritsu provides SOA modules that have high optical gain of 15 dB or higher and a low noise figure of 7 dB or less. The polarization dependent gain is also 1.5 dB or less, which enables signal amplification with practically no problem. The module is a 6-pin compact package with an isolator and TEC (Thermo-Electric Cooler), and can be mounted on CFP/CFP2.

It also complies with Telcordia GR-468-CORE for extremely high reliability, as well as the RoHS directive.

Amplification Wavelength Characteristics

Amplification Current Characteristics