Multichannel grating cavity (MGC) laser transmitter for wavelength division multiplexing applications

K. O. Nyairo, I. H. White, P. A. Kirkby, C. J. Armistead

Research output: Contribution to journalArticle

Abstract

A detailed experimental investigation of a wavelength switchable multichannel grating cavity (MGC) laser is reported with properties particularly suitable for applications in broadband wavelength division multiplexing systems. The source consists of a bar of laser ridges with one facet antireflection (AR) coated, a collimating lens and a diffraction grating. By changing the electrical bias to individual laser ridges, precise wavelength switching is achieved across the complete gain spectrum of the diode laser material. A detailed investigation of multiple simultaneous channel generation is reported and a method is outlined to overcome channel crosstalk. Good agreement between theory and experiment is reported.

Original languageEnglish
Pages (from-to)337-342
Number of pages6
JournalIEE proceedings. Part J (Optoelectronics)
Volume138
Issue number5
DOIs
Publication statusPublished - 1 Jan 1991

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Multichannel grating cavity (MGC) laser transmitter for wavelength division multiplexing applications. / Nyairo, K. O.; White, I. H.; Kirkby, P. A.; Armistead, C. J.

In: IEE proceedings. Part J (Optoelectronics), Vol. 138, No. 5, 01.01.1991, p. 337-342.

Research output: Contribution to journalArticle

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