High modulation efficiency Gigabit/s modulation of twin-contact high-brightness tapered DBR laser

C. H. Kwok, R. V. Penty, I. H. White, K. H. Hasler, B. Sumpf, G. Erbert

Research output: Contribution to journalArticle

8 Citations (Scopus)


We report a compact single-chip optical transmitter with 0.4-W output optical modulation amplitude at 1 Gb/s using a twin-contact directly modulated laser with an applied ∼ 100-mA current swing. Bit-error-ratio measurements confirm high signal quality for optical wireless communications.

Original languageEnglish
Pages (from-to)301-303
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number5
Publication statusPublished - 1 Mar 2009


  • Optical modulation
  • Semiconductor lasers

ASJC Scopus subject areas

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

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