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Optics Letters

Optics Letters


  • Vol. 14, Iss. 24 — Dec. 15, 1989
  • pp: 1341–1343

High-accuracy picosecond characterization of gain-switched laser diodes

S. Cova, A. Lacaita, M. Ghioni, and G. Ripamonti  »View Author Affiliations

Optics Letters, Vol. 14, Issue 24, pp. 1341-1343 (1989)

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A unique combination of the time-correlated photon-counting technique and single-photon avalanche diode detectors gives an accurate characterization of gain-switched semiconductor lasers with picosecond resolution. The high sensitivity and the clean shape of the time response reveal even small features (reflections and relaxation oscillations), making a true optimization of the laser-diode operation possible. The technique outperforms the standard characterization with ultrafast p-i-n photodiodes and a sampling oscilloscope. In addition, compared with other methods, it has favorable features that greatly simplify the measurement.

© 1989 Optical Society of America

Original Manuscript: May 24, 1989
Manuscript Accepted: October 13, 1989
Published: December 15, 1989

S. Cova, A. Lacaita, M. Ghioni, and G. Ripamonti, "High-accuracy picosecond characterization of gain-switched laser diodes," Opt. Lett. 14, 1341-1343 (1989)

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