Photonic front-end processor in a WDM ATM multicast switch

H. Jonathan Chao, L. Wu, Z. Zhang, S. H. Yang, L. M. Wang, Y. Chai, J. Y. Fan, F. S. Choa

Research output: Contribution to journalArticle

Abstract

Dense wavelength-division multiplexing (DWDM) technology has provided tremendous transmission capacity in optical fiber communications. However, switching and routing capacity is still far behind transmission capacity. This is because most of today's packet switches and routers are implemented using electronic technologies. Optical packet switches are the potential candidate to boost switching capacity to be comparable with transmission capacity. In this paper, we present a photonic asynchronous transfer mode (ATM) front-end processor that has been implemented and is to be used in an optically transparent WDM ATM Multicast (3M) switch. We have successfully demonstrate the front-end processor in two different experiments. One performs cell delineation based on ITU standards and overwrites VCI/VPI optically at 2.5 Gb/s. The other performs cell synchronization, where cells from different input ports running at 2.5 Gb/s are phase-aligned in the optical domain before they are routed in the switch fabric. The resolution of alignment is achieved to the extent of 100 ps (or 1/4 bit). An integrated 1×2 Y-junction semiconductor optical amplifier (SOA) switch has been developed to facilitate the cell synchronizer.

Original languageEnglish (US)
Pages (from-to)273-285
Number of pages13
JournalJournal of Lightwave Technology
Volume18
Issue number3
DOIs
StatePublished - Mar 2000

Fingerprint

asynchronous transfer mode
Asynchronous transfer mode
Wavelength division multiplexing
Photonics
central processing units
switches
Switches
photonics
cells
synchronizers
semiconductor junctions
Optical fiber communication
Dense wavelength division multiplexing
Semiconductor optical amplifiers
delineation
wavelength division multiplexing
acceleration (physics)
Routers
light amplifiers
synchronism

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

Chao, H. J., Wu, L., Zhang, Z., Yang, S. H., Wang, L. M., Chai, Y., ... Choa, F. S. (2000). Photonic front-end processor in a WDM ATM multicast switch. Journal of Lightwave Technology, 18(3), 273-285. https://doi.org/10.1109/50.827497

Photonic front-end processor in a WDM ATM multicast switch. / Chao, H. Jonathan; Wu, L.; Zhang, Z.; Yang, S. H.; Wang, L. M.; Chai, Y.; Fan, J. Y.; Choa, F. S.

In: Journal of Lightwave Technology, Vol. 18, No. 3, 03.2000, p. 273-285.

Research output: Contribution to journalArticle

Chao, HJ, Wu, L, Zhang, Z, Yang, SH, Wang, LM, Chai, Y, Fan, JY & Choa, FS 2000, 'Photonic front-end processor in a WDM ATM multicast switch', Journal of Lightwave Technology, vol. 18, no. 3, pp. 273-285. https://doi.org/10.1109/50.827497
Chao, H. Jonathan ; Wu, L. ; Zhang, Z. ; Yang, S. H. ; Wang, L. M. ; Chai, Y. ; Fan, J. Y. ; Choa, F. S. / Photonic front-end processor in a WDM ATM multicast switch. In: Journal of Lightwave Technology. 2000 ; Vol. 18, No. 3. pp. 273-285.
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