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High-performance transceiver-type optical WDM interface modules with a volume of only 36 cc have been developed for PDS subscriber systems. The new module comprises an optical WDM sub-module, hybrid-integrated transmitter and receiver circuits. In the WDM sub-module, a planar lightwave circuit chip was hermetically sealed together with laser and photodiode chips in order to minimize the size of the transceiver module. The lightwave circuit was formed on an optical-waveguide chip by adopting a high-silica based optical-waveguide technology. The overall characteristics of the fabricated WDM sub-module achieved were a responsibility of 0.25±0.05 A/W, an insertion loss approximately 3 dB at 1.55 μm and an isolation of 35 dB between both wavelengths.
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1.25G 1490/1310nm 20km WDM BIDI SFP Transceiver Module. Sopto is a professional manufacturer and supplier for good quality and the cheapest 1.25G 1490/1310nm 20km WDM BIDI SFP Transceiver Module Products.
