T&S TFF WDM is based on Thin Film Filter (TFF) technology. Our Filter-Based WDM product family covers following wavelength windows commonly used in optical fiber systems: 1310/1490/1550nm (for FWDM Device), 1271~1611nm (for CWDM Device or Module), 1525~1565nm (C_band for 100G/200G DWDM Device or Module) and 1269.23~1318.35nm (for 800G LWDM Device or Module), 1271±3.5~1371±3.5nm (for MWDM Device or Module) and 1270/1310/1490/1534/1577/1610/1650nm (for Cex-wdm Modules, including GPON, XG-PON, NG-PON2 and OTDR )
Instead of taking a thin film filter to mux or demux wavelengths, PLC type achieves the same goal by using chip PLC, which uniformly divides and guides light with different wavelengths. At T&S, we currently provide multi-channel AWG DWDM Modules and 4ch CWDM/LWDM Devices.
1525~1565nm (C_band for 100G multi-channel AWG Module) and 1271~1331nm&1295.56~1309.14nm(for PLC CWDM4&LWDM4 Devices, it used for 4x10 Gbps CWDM TOSA&ROSA for QSFP+ or 4X25 Gbps LAN-WDM TOSA&ROSA for QSFP+
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