Bandpass switching in a nonlinear optical loop mirror

D.A. Pattison, P.N. Kean, W. Forysiak, I. Bennion, N.J. Doran

Research output: Contribution to journalArticlepeer-review


A novel device configuration is used to demonstrate wavelength-confined, a bandpass, switching in a nonlinear-optical loop mirror (WOLM). Demonstrated is a self-switching in the soliton regime using a partially reflecting Bragg grating as a wavelength-dependent loss element. Two wavelength operation in which a signal is switched through the use of cross phase modulation, are demonstrated. Observed is the operation of the device confined to wavelengths defined by the grating reflection band.

Original languageEnglish
Pages (from-to)362-364
Number of pages3
JournalOptics Letters
Issue number4
Publication statusPublished - Jan 1995

Bibliographical note

This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.


  • bandpass nonlinear switching
  • nonlinear-optical loop mirror
  • in-fiber Bragg grating
  • Self-switching
  • soliton regime


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