Jitter reduction through feedback for picosecond pulsed InGaAsP lasers

K. A. Williams, I. H. White, D. Burns, W. Sibbett

Research output: Contribution to journalArticlepeer-review

8 Citations (SciVal)


Following a comparison of picosecond-pulse generation techniques, feedback schemes are reported for the generation of picosecond pulse trains with improved jitter for both multicontact and conventional single-contact InGaAsP-InP lasers. Subpicosecond jitter is achieved for Q-switched laser sources using a novel optoelectronic feedback scheme. The use of resonant electrical feedback is shown to improve the timing jitter of gain-switched pulses by up to six times. Pulse-to-pulse timing jitter as low as 250 fs is demonstrated for a hybrid of optical and electrical feedback schemes. Limits for timing jitter in diode lasers are established for optoelectronic, electrical, and optical feedback schemes, and the key picosecond pulse generation schemes are compared in terms of timing jitter for the first time.

Original languageEnglish
Pages (from-to)1988-1994
Number of pages7
JournalIEEE Journal of Quantum Electronics
Issue number11
Publication statusPublished - 1 Nov 1996

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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