A 4×8-Gbps VCSEL array driver ASIC and integration with a custom array transmitter module for the LHC front-end transmission

This paper describes the design, fabrication and experiment results of a 4×8-Gbps Vertical-Cavity Surface-Emitting Laser (VCSEL) array driver ASIC with the adjustable active-shunt peaking technique and the novel balanced output structure under the Silicon-on-Sapphire (SOS) process, and a custom arra...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2016-09, Vol.831 (C), p.276-282
Main Authors: Guo, Di, Liu, Chonghan, Chen, Jinghong, Chramowicz, John, Gong, Datao, He, Huiqin, Hou, Suen, Liu, Tiankuan, Prosser, Alan, Teng, Ping-Kun, Xiang, Annie C., Xiao, Le, Ye, Jingbo
Format: Article
Language:English
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Summary:This paper describes the design, fabrication and experiment results of a 4×8-Gbps Vertical-Cavity Surface-Emitting Laser (VCSEL) array driver ASIC with the adjustable active-shunt peaking technique and the novel balanced output structure under the Silicon-on-Sapphire (SOS) process, and a custom array optical transmitter module, featuring a compact size of 10mm×15mm×5.3mm. Both the array driver ASIC and the module have been fully tested after integration as a complete parallel transmitter. Optical eye diagram of each channel passes the eye mask at 8Gbps/ch with adjacent channel working simultaneously with a power consumption of 150mW/ch. The optical transmission of Bit-Error Rate (BER) less than 10E-12 is achieved at an aggregated data rate of 4×8-Gbps. •An anode-driven VCSEL Array driver ASIC with the configurable active-shunt peaking technique in pre-driving stages.•A novel full-differential balanced output structure is used to minimize the noise and crosstalk from the power.•A custom array optical transmitter module with custom low-cost reliable alignment method.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2016.03.065