Influence of Chirp, Jitter, and Relaxation Oscillations on Probabilistic Properties of Laser Pulse Interference

Roman Shakhovoy*, Violetta Sharoglazova, Alexander Udaltsov, Alexander Duplinskiy, Vladimir Kurochkin, Yury Kurochkin

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

18 Citations (Scopus)

Abstract

Interference of laser pulses is an essential ingredient of quantum randomness; therefore, probabilistic properties of laser pulses gains new relevance. Here, we consider in detail the combined influence of the three effects-chirp, jitter and relaxation oscillations-on the probability density function of the interference of pulses from a gain-switched semiconductor laser. We develop a rigorous model based on laser rate equations and demonstrate that only consideration of all these three effects together allows describing the interference statistics properly. We supplement our theoretical calculations with corresponding measurements at various pump currents. Experimental results demonstrate perfect agreement with predictions of the model and are well reproduced by Monte-Carlo simulations.

Original languageEnglish
Article number9337891
JournalIEEE journal of quantum electronics
Volume57
Issue number2
Early online date28 Jan 2021
DOIs
Publication statusPublished - Apr 2021
Externally publishedYes

Keywords

  • chirp
  • Interference
  • jitter
  • optical pulses
  • semiconductor lasers

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