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, and J. Ye

TL;DR
This paper introduces a dual-channel optical transmitter and transceiver designed for high-energy physics experiments, featuring high data rates, standard optical interfaces, and radiation hardness.
Contribution
It presents a novel dual-channel optical transceiver system utilizing TOSA/ROSA modules with high data rate VCSEL driver ASICs for physics experiments.
Findings
Achieved 14 Gbps per channel data rate.
Survived radiation dose of 4.9 kGy(SiO2).
Compatible with standard optical and electrical interfaces.
Abstract
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).
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