Lasers, Fiber Optics, and Communications

Comprehensive vertical-cavity surface-emitting laser model for optical interconnect transceiver circuit design

[+] Author Affiliations
Binhao Wang

Texas A&M University, Department of Electrical and Computer Engineering, 235i WEB, 3128 TAMU, College Station, Texas 77843-3128, United States

Hewlett Packard Enterprise, Hewlett Packard Labs, 1501 Page Mill Road, MS1123, Palo Alto, California 94304, United States

Wayne V. Sorin, Michael R. T. Tan

Hewlett Packard Enterprise, Hewlett Packard Labs, 1501 Page Mill Road, MS1123, Palo Alto, California 94304, United States

Samuel Palermo

Texas A&M University, Department of Electrical and Computer Engineering, 235i WEB, 3128 TAMU, College Station, Texas 77843-3128, United States

Opt. Eng. 55(12), 126103 (Dec 08, 2016). doi:10.1117/1.OE.55.12.126103
History: Received July 23, 2016; Accepted November 7, 2016
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Abstract.  Directly modulated vertical-cavity surface-emitting lasers (VCSELs) are commonly used in short-reach optical interconnect applications. To enable efficient optical interconnect transceiver systems operating at data rates up to 25  Gb/s and beyond, cosimulation environments, which allow for the optimization of driver circuitry with accurate compact VCSEL models, are necessary. A comprehensive VCSEL model, which captures thermally dependent electrical and optical dynamics and provides direct current, small-, and large-signal simulation capabilities with self-consistency, is presented. The device’s electrical behavior is described with an equivalent circuit, which captures both large-signal operation and electrical parasitics, while the optical response is captured with a rate-equation-based model. Bias and temperature dependencies are incorporated into both key electrical and optical model parameters. Experimental verification of the model is performed at 25  Gb/s with a 990-nm VCSEL to study the impact of bias current level and substrate temperature.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Binhao Wang ; Wayne V. Sorin ; Samuel Palermo and Michael R. T. Tan
"Comprehensive vertical-cavity surface-emitting laser model for optical interconnect transceiver circuit design", Opt. Eng. 55(12), 126103 (Dec 08, 2016). ; http://dx.doi.org/10.1117/1.OE.55.12.126103


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