Mutual optical injection in coupled DBR laser pairs

M. P. Vaughan, I. Henning*, M. J. Adams, L. J. Rivers, P. Cannard, I. F. Lealman

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

12 Citations (Scopus)


We report an experimental study of nonlinear effects, characteristic of mutual optical coupling, in an ultra-short coupling regime observed in a distributed Bragg reflector laser pair fabricated on the same chip. Optical feedback is amplified via a double pass through a common onchip optical amplifier, which introduces further nonlinear phenomena. Optical coupling has been introduced via back reflection from a cleaveended fibre. The coupling may be varied in strength by varying the distance of the fibre from the output of the chip, without significantly affecting the coupling time.

Original languageEnglish
Pages (from-to)2033-2041
Number of pages9
JournalOptics Express
Issue number3
Publication statusPublished - 2 Feb 2009


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