Multi-time-scale dynamics of a laser with polarized optical feedback

Year: 2003

Authors: Giacomelli G., Marin F., Romanelli M.

Autors Affiliation: Istituto Nazionale di Ottica Applicata, Largo Enrico Fermi 6, 50125 Firenze, Italy;
Istituto Nazionale di Fisica della Materia, unita` di Firenze, Italy; Dipartimento di Fisica, Università di Firenze, and LENS, Via Sansone 1, 50019 Sesto Fiorentino (FI), Italy

Abstract: We present an experimental study of a vertical-cavity surface-emitting laser with polarized optical feedback. The system displays single-mode low-frequency fluctuations for a large interval of pump current. The dynamics is determined by phenomena extending on a wide range of time scales. In particular, we show, besides rare power drops (events), a periodic structure within the single event, a slow temporal drift in this pattern, and a coherence extending over several events.

Journal/Review: PHYSICAL REVIEW A

Volume: 67 (5)      Pages from: 53809-1  to: 53809-4

KeyWords: Semiconductor-lasers; Coherence Collapse; Statistics; Intensity; Injection
DOI: 10.1103/PhysRevA.67.053809

Citations: 26
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