A TOSA/ROSA-based optical transmitter (MTx+)/transceiver (MTRx+) for high-energy physics experiments

B. Deng, X. Zhao, W. Zhou, C. Chen, D. Gong, D. Guo, S. Hou, K. Jin, C. Liu, J. Liu, T. Liu, M. Qi, Q. Sun, J. Thomas, X. Le, J. Ye

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3 Scopus citations


We present a dual-channel optical transmitter (MTx+)/transceiver (MTRx+) for the front-end readout electronics of high-energy physics experiments. MTx+ utilizes two Transmitter Optical Sub-Assemblies (TOSAs) and MTRx+ utilizes a TOSA and a Receiver Optical Sub-Assemblies (ROSA). Both MTx+ and MTRx+ receive multimode fibers with standard Lucent Connectors (LCs) as the optical interface and can be panel or board mounted to a motherboard with a standard Enhanced Small Form-factor Pluggable (SFP+) connector as the electrical interface. MTx+ and MTRx+ employ a dual-channel Vertical-Cavity Surface-Emitting Laser (VCSEL) driver ASIC called LOCld65, which brings the transmitting data rate up to 14 Gbps per channel. MTx+ and MTRx+ have been tested to survive 4.9 kGy(SiO2).

Original languageEnglish
Article numberC05021
JournalJournal of Instrumentation
Issue number5
StatePublished - May 24 2019


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