Residence time distribution and coherence resonance of optical-feedback-induced polarization mode hopping in vertical-cavity surface-emitting lasers

Year: 2004

Authors: Panajotov K., Sciamanna M., Tabaka A., Megret P., Blondel M., Giacomelli G., Marin F., Thienpont H., Veretennicoff I.

Autors Affiliation: Department of Applied Physics and Photonics (TW-TONA), Vrije Universiteit Brussel (VUB), 1050 Brussels, Belgium;
Service d’Electromagnetisme et de Telecommunication, Faculte Polytechnique de Mons, (FPMs), Boulevard Dolez 31, 7000 Mons, Belgium;
Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy;
Istituto Nazionale di Fisica della Materia, Unità di Firenze, Firenze, Italy; Dipartimento di Fisica, Università di Firenze and LENS, Via Sansone 1, 50019 Sesto Fiorentino (FI), Italy;
Institute of Solid State Physics, 72 Tzarigradsko Chaussee Blvd., 1784 Sofia, Bulgaria

Abstract: We report on an experimental and theoretical investigation of the residence time distribution (RTD) of the polarization mode-hopping regime in vertical-cavity surface-emitting lasers (VCSELs) subject to optical feedback. The RTD exhibits discontinuity and oscillations, as a result of the fast intensity oscillations at the delay time that accompany the slow mode hopping. We furthermore show numerically that an external noise source on the injection current allows observation of a coherence resonance phenomenon in VCSELs induced by time-delayed feedback.

Journal/Review: PHYSICAL REVIEW A

Volume: 69 (1)      Pages from: 011801-1  to: 011801-4

KeyWords: SEMICONDUCTOR-LASERS; NOISE; SYSTEMS; DELAYS;
DOI: 10.1103/PhysRevA.69.011801

Citations: 29
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