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Proceedings Paper

Parallel pipeline networking and signal processing with field-programmable gate arrays (FPGAs) and VCSEL-MSM smart pixels
Author(s): C. B. Kuznia; Alexander A. Sawchuk; Liping Zhang; Bogdan Hoanca; Sunkwang Hong; Chris Min; Dhawat E. Pansatiankul; Zahir Y. Alpaslan
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Paper Abstract

We present a networking and signal processing architecture called Transpar-TR (Translucent Smart Pixel Array-Token- Ring) that utilizes smart pixel technology to perform 2D parallel optical data transfer between digital processing nodes. Transpar-TR moves data through the network in the form of 3D packets (2D spatial and 1D time). By utilizing many spatial parallel channels, Transpar-TR can achieve high throughput, low latency communication between nodes, even with each channel operating at moderate data rates. The 2D array of optical channels is created by an array of smart pixels, each with an optical input and optical output. Each smart pixel consists of two sections, an optical network interface and ALU-based processor with local memory. The optical network interface is responsible for transmitting and receiving optical data packets using a slotted token ring network protocol. The smart pixel array operates as a single-instruction multiple-data processor when processing data. The Transpar-TR network, consisting of networked smart pixel arrays, can perform pipelined parallel processing very efficiently on 2D data structures such as images and video. This paper discusses the Transpar-TR implementation in which each node is the printed circuit board integration of a VCSEL-MSM chip, a transimpedance receiver array chip and an FPGA chip.

Paper Details

Date Published: 24 May 2000
PDF: 7 pages
Proc. SPIE 4089, Optics in Computing 2000, (24 May 2000); doi: 10.1117/12.386800
Show Author Affiliations
C. B. Kuznia, Univ. of Southern California (United States)
Alexander A. Sawchuk, Univ. of Southern California (United States)
Liping Zhang, Univ. of Southern California (United States)
Bogdan Hoanca, Univ. of Southern California (United States)
Sunkwang Hong, Univ. of Southern California (United States)
Chris Min, Univ. of Southern California (United States)
Dhawat E. Pansatiankul, Univ. of Southern California (United States)
Zahir Y. Alpaslan, Univ. of Southern California (United States)


Published in SPIE Proceedings Vol. 4089:
Optics in Computing 2000
Roger A. Lessard; Tigran V. Galstian, Editor(s)

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