Dual-purpose VCSEL's for short-haul bidirectional communication links

Milan Dragaš, Ian H. White, Richard V. Penty, Judy Rorison, Peter J. Heard, Gareth Parry

Research output: Contribution to journalArticlepeer-review

20 Citations (SciVal)


The operation of a new dual-purpose vertical-cavity surface-emitting laser (VCSEL), which functions either as a laser or as an avalanche detector, is presented. The original laser structure is modified by focused ion beam etching, enabling photodetection operation, with avalanche gain in excess of 10 available under reverse bias. Successful operation of a 2-Gb/s link employing two dual-purpose VCSEL's as `ping-pong' transceivers is described. The noise performance is also examined.

Original languageEnglish
Pages (from-to)1548-1550
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number12
Publication statusPublished - 1 Dec 1999

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


Dive into the research topics of 'Dual-purpose VCSEL's for short-haul bidirectional communication links'. Together they form a unique fingerprint.

Cite this