Ashok V. Krishnamoorthy

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Featured researches published by Ashok V. Krishnamoorthy.

lasers and electro-optics society meeting | 2004

Ashok V. Krishnamoorthy; Dawei Huang; T. Sze; Robert J. Drost; Ron Ho; H. Davidson; R. Lytel

We discuss the technical challenges and potential for implementing optical transceivers with multiterabit-per-second capacities. We will examine typical approaches, discuss bottlenecks that have developed in the interconnect hierarchy, and identify potential solutions.

2005 OSA Topical Meeting on Information Photonics (IP) | 2005

John E. Cunningham; D Beckman; Dawei Huang; Theresa Sze; K Cai; Ashok V. Krishnamoorthy

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.

Archive | 2009