Scientific Results

Self-Induced Faraday Instability Laser

Year: 2018

Authors: Perego AM., Smirnov SV., Stallunas K., Churkin DV., Wabnitz S.

Autors Affiliation: Aston Institute of Photonics Technologies, Aston University, Aston Express Way, Birimingham, B4 7ET, United Kingdom; Novosibirsk State University, 1 Pirogova str., Novosibirsk, 630090, Russian Federation; Departament de Fisica i Enginyeria Nuclear, Universitat Politècnica de Catalunya, Barcelona, E-08222, Spain; Institució Catalana de Recerca i Estudis Avançats, Passeig Lluis Companys 23, Barcelona, E-08010, Spain; Dipartimento di Ingegneria dell

Abstract: We predict the onset of self-induced parametric or Faraday instabilities in a laser, spontaneously caused by the presence of pump depletion, which leads to a periodic gain landscape for light propagating in the cavity. As a result of the instability, continuous wave oscillation becomes unstable even in the normal dispersion regime of the cavity, and a periodic train of pulses with ultrahigh repetition rate is generated. Application to the case of Raman fiber lasers is described, in good quantitative agreement between our conceptual analysis and numerical modeling.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 120 (21)      Pages from: 213902-1  to: 213902-6

KeyWords: Fiber lasers; Pulse repetition rate, Conceptual analysis; Continuous Wave; Faraday instability; Normal dispersion; Periodic trains; Quantitative agreement; Raman fiber lasers; Ultrahigh repetition rates, Pumping (laser); Ginzburg-Landau equation; Side-band instability; Fiber ring cavities; Modulattional-instability; Normal-dispersion
DOI: 10.1103/PhysRevLett.120.213902

Citations: 1
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