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We numerically investigate azimuthal modulation instability in an optical fiber supporting orbital angular momentum modes only, i.e. a vortex fiber, by means of the scalar multimode unidirectional pulse propagation equation. We demonstrate…

光学 · 物理学 2024-03-12 Bertrand Kibler , Pierre Béjot

Light from a Tm,Ho:YLF laser operating at 2051 nm is frequency doubled then coupled into a high Fabry-Perot cavity with manufacturer quoted finesse in excess of 300,000. The frequency of the laser is stabilized using the Pound-Drever-Hall…

仪器与探测器 · 物理学 2011-05-24 Adam Kleczewski , Matthew Hoffman , Eric Magnuson , Boris Blinov , Norval Fortson

Bad cavity lasers are experiencing renewed interest in the context of active optical frequency standards, due to their enhanced robustness against fluctuations of the laser cavity. The gain medium would consist of narrow-linewidth atoms,…

光学 · 物理学 2017-03-01 Georgy A. Kazakov , Thorsten Schumm

We numerically investigate the formation of soliton pairs (bound states) in mode-locked fiber ring lasers. In the distributed model (complex cubic-quintic Ginzburg-Landau equation) we observe a discrete family of soliton pairs with…

光学 · 物理学 2009-06-10 Aleksandr Zavyalov , Rumen Iliew , Oleg Egorov , Falk Lederer

We study theoretically the non linear polarization dynamics of Vertical-Cavity Surface-Emitting Lasers in the presence of an external cavity providing delayed optical feedback and cross polarization re-injection. We show that far from the…

光学 · 物理学 2014-08-27 J. Javaloyes , M. Marconi , M. Giudici

Chirped fiber Bragg gratings in Yb-doped fiber lasers allow tuning the net cavity dispersion, thus enabling access to pulse dynamics beyond the typical all-normal-dispersion dissipative soliton regime. This Letter demonstrates an ultrafast…

光学 · 物理学 2022-05-06 Mateusz Pielach , Jan Szczepanek , Katarzyna Krupa , Yuriy Stepanenko

The polarization states of lasers are crucial issues both for practical applications and fundamental research. In general, they depend in a combined manner on the properties of the gain material and on the structure of the electromagnetic…

The polarimetric properties of an adjustable two plate quarter-wave system have been investigated. Multiple beam interference within single wave-plates has been taken into account. It has been shown that different adjustments are needed to…

光学 · 物理学 2015-06-12 Evelina A. Bibikova , Nataliya D. Kundikova

We report on the dark pulse emission of an all-normal dispersion erbium-doped fiber laser with a polarizer in cavity. We found experimentally that apart from the bright pulse emission, under appropriate conditions the fiber laser could also…

光学 · 物理学 2009-11-02 H. Zhang , D. Y. Tang , L. M. Zhao , X. Wu

We report on experimental observations of coexistence and interactions between nonlinear states with different polarizations in a passive Kerr resonator driven at a single carrier frequency. Using a fiber ring resonator with adjustable…

We report a simple and compact design of a dispersion compensated mode-locked Yb:fiber oscillator based on a nonlinear amplifying loop mirror (NALM). The fully polarization maintaining (PM) fiber integrated laser features a chirped fiber…

Self-sustained antiphase relaxation oscillations of high amplitude are shown to be possible in a system of two single-mode semiconductor lasers strongly coupled through their cavities.

光学 · 物理学 2014-06-06 A. Mustafin

We present two ultra-stable lasers based on two vibration insensitive cavity designs, one with vertical optical axis geometry, the other horizontal. Ultra-stable cavities are constructed with fused silica mirror substrates, shown to…

It is shown that the transverse Rayleigh Taylor like instability can be well stabilized by using elliptically polarized laser in the hole boring radiation pressure acceleration regime. The $\bm{J}\times\bm{B}$ effect of the laser will…

等离子体物理 · 物理学 2013-01-01 Dong Wu , C. Y. Zheng , C. T. Zhou , X. Q. Yan , M. Y. Yu , X. T. He

We report on the experimental evidence of four wave mixing (FWM) between the two polarization components of a vector soliton formed in a passively mode-locked fiber laser. Extra spectral sidebands with out-of-phase intensity variation…

光学 · 物理学 2009-03-12 H. Zhang , D. Y. Tang , L. M. Zhao

Vector soliton operation of erbium-doped fiber lasers mode locked with atomic layer graphene was experimentally investigated. Either the polarization rotation or polarization locked vector dissipative solitons were experimentally obtained…

光学 · 物理学 2015-05-18 Han Zhang , Dingyuan Tang , Luming Zhao , Qiaoliang Bao , Kian Ping Loh

The self-starting dynamics of a model for passively mode-locked lasers with saturable absorber, in which the optical amplifier has a saturable nonlinearity, is examined. The basic assumption is that the laser will operate in the mode-locked…

光学 · 物理学 2020-09-15 Alain M. Dikande , P. Achankeng Leke

We present an experimental and theoretical study of modal nonlinear dynamics in a specially designed dual-mode semiconductor Fabry-Perot laser with a saturable absorber. At zero bias applied to the absorber section, we have found that with…

光学 · 物理学 2015-06-19 Finbarr O'Callaghan , Simon Osborne , Stephen O'Brien

We present the first statistical mechanics study of a passively mode locked laser which includes all the main physical processes, saturable absorption, Kerr nonlinearity, parabolic gain filtering and group velocity dispersion, assuming the…

统计力学 · 物理学 2007-05-23 Omri Gat , Ariel Gordon , Baruch Fischer

It is demonstrated that RF current modulation of a frequency stabilized injection-locked diode laser allows the stabilization of an optical cavity to adjustable lengths, by variation of the RF frequency. This transfer cavity may be used to…

光学 · 物理学 2007-05-23 P. Bohlouli-Zanjani , K. Afrousheh , J. D. D. Martin