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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 26, Iss. 6 — Mar. 15, 2008
  • pp: 692–703

An Optically Clocked Transistor Array for High-Speed Asynchronous Label Swapping: 40 Gb/s and Beyond

Ryohei Urata, Ryo Takahashi, Tetsuya Suemitsu, Tatsushi Nakahara, and Hiroyuki Suzuki

Journal of Lightwave Technology, Vol. 26, Issue 6, pp. 692-703 (2008)


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Abstract

We describe the development of an optically clocked transistor array (OCTA) interface device for label swapping high-speed asynchronous burst optical packets. The OCTA integrates the three critical functions of serial-to-parallel (SP) conversion, parallel-to-serial (PS) conversion, and clock-pulse generation into a simple optoelectronic integrated circuit (OEIC) to create a single-chip interface between the input/output baseband optical labels and a CMOS label processor. The result is a high-performance label swapping solution which is compact and low power. In this paper, a detailed investigation of the design and optimization of the circuit is first performed, followed by testing of device stability under subsystem operating conditions. Finally, demonstrations of single-channel switching speeds allowing greater than 100-Gb/s operation, 40-Gb/s SP and PS conversion with an eight-channel OCTA, and error-free label swapping of 10-Gb/s asynchronous optical packets with a prototype label swapper module are described.

© 2008 IEEE

Citation
Ryohei Urata, Ryo Takahashi, Tetsuya Suemitsu, Tatsushi Nakahara, and Hiroyuki Suzuki, "An Optically Clocked Transistor Array for High-Speed Asynchronous Label Swapping: 40 Gb/s and Beyond," J. Lightwave Technol. 26, 692-703 (2008)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-26-6-692

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