PAM-4 Signaling over VCSELs using 0.13μm CMOS

J.E. Cunningham; D. Beckman; D. Huang; T. Sze; K. Cai; A. V. Krishnamoorthy

doi:10.1364/IP.2005.IWD3

Adaptive Optics: Analysis and Methods/Computational Optical Sensing and Imaging/Information Photonics/Signal Recovery and Synthesis Topical Meetings on CD-ROM
Technical Digest (Optica Publishing Group, 2005),
paper IWD3
•https://doi.org/10.1364/IP.2005.IWD3

PAM-4 Signaling over VCSELs using 0.13μm CMOS

J.E. Cunningham, D. Beckman, D. Huang, T. Sze, K. Cai, and A. V. Krishnamoorthy

Information Photonics 2005

Charlotte, North Carolina United States
6–9 June 2005
ISBN: 1-55752-789-X

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Interconnects I (IWD)

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J. E. Cunningham, D. Beckman, D. Huang, T. Sze, K. Cai, and A. V. Krishnamoorthy, "PAM-4 Signaling over VCSELs using 0.13μm CMOS," in Adaptive Optics: Analysis and Methods/Computational Optical Sensing and Imaging/Information Photonics/Signal Recovery and Synthesis Topical Meetings on CD-ROM, Technical Digest (Optica Publishing Group, 2005), paper IWD3.

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Abstract

We present results for VCSEL based links operating PAM-4 signaling using a commercial 0.13μm CMOS technology. We perform a complete link analysis of the Bit Error Rate, Q factor, random and deterministic jitter by measuring waterfall curves versus margins in time and amplitude We demonstrate that VCSEL based PAM –4 can match or even improve performance over binary signaling under conditions of bandwidth limited 100meter multi-mode optical link at 5Gbps. We present the first sensitivity measurements for optical PAM-4 and compare it with binary signaling.

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