Youopto 100G Series is a 100Gbps transmitter optical subassembly(TOSA) integrating a high speed 4 LWDM EML chips ,a TFF CWDM Mux,a TEC and thermistor in a BOX package. It is designed  for use in small from-factor pluggable transceivers and other types of optical modules for high-speed  telecommunication and data applications。