Ultrashort pulse formation and evolution in mode-locked fiber lasers

Baumgartl, Martin; Ortaç, Bülend; Thomas, Sabu; Limpert, Jens; Tünnermann, Andreas

doi:10.1007/s00340-011-4642-9

Cited by 9 publications

(3 citation statements)

References 32 publications

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“…Numerical analysis is an important approach for understanding the physical mechanisms of SWNT fiber lasers and for improving the laser performance. So far, the dynamics of general ultrashort pulse fiber lasers has been reported by a few groups [18][19][20]. Recently, the analysis of SWNT fiber laser near zero cavity dispersion was reported by J. Wang et al in terms of the pulse width [21].…”

Section: Open Accessmentioning

confidence: 99%

Dynamics of a Dispersion-Managed Passively Mode-Locked Er-Doped Fiber Laser Using Single Wall Carbon Nanotubes

et al. 2015

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Abstract:We investigated the dynamics of a dispersion-managed, passively mode-locked, ultrashort-pulse, Er-doped fiber laser using a single-wall carbon nanotube (SWNT) device. A numerical model was constructed for analysis of the SWNT fiber laser. The initial process of passive mode-locking, the characteristics of the output pulse, and the dynamics inside the cavity were investigated numerically for soliton, dissipative-soliton, and stretched-pulse mode-locking conditions. The dependencies on the total dispersion and recovery time of the SWNTs were also examined. Numerical results showed similar behavior to experimental results.

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Section: Open Accessmentioning

confidence: 99%

Dynamics of a Dispersion-Managed Passively Mode-Locked Er-Doped Fiber Laser Using Single Wall Carbon Nanotubes

et al. 2015

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“…In order to investigate the dependence of intracavity pulse energy on the main design parameters of the cavity, we implemented a numerical model based on the NLSE [14,17,18]. We would like to stress the fact the we intended to focus on the typical pulse-energy (<1 nJ) and pulse durations (10-100 ps) that can be sustained by a low repetition rate, SESAM mode-locked Yb-doped fiber laser oscillator operating in the normal dispersion regime.…”

Section: Numerical Model For the Fiber Oscillator And Stability Condimentioning

confidence: 99%

“…1). We also suggest a simple space-independent numerical model based on the numerical solution of the nonlinear Schrödinger equation (NLSE) in order to get a quick overview of the main design parameters of such lasers [14,[16][17][18]. The central output wavelength of the fiber seeder could be finely tuned around 1064 nm through temperature control of the master oscillator FBG reflectivity peak wavelength.…”

Section: Introductionmentioning

confidence: 99%

Low repetition rate, hybrid fiber/solid-state, 1064 nm picosecond master oscillator power amplifier laser system

Agnesi

Carrà²,

Pirzio

et al. 2013

J. Opt. Soc. Am. B

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We report on an investigation of a passively mode-locked picosecond ytterbium-doped fiber laser with a repetition rate close to 1 MHz. The mode-locking operation was induced by a butt-coupled semiconductor saturable absorber mirror (SESAM) and stabilized in the normal dispersion regime by means of spectral filtering of a narrow bandwidth (0.1 nm) fiber Bragg grating (FBG). A pulse duration of about 50 ps with maximum output power of 20 mW at 1064 nm were achieved after amplification in the double-pass fiber preamplifier. This compact and reliable allfiber laser operating at 1064 nm is intended to seed bulk amplifiers in a hybrid fiber/solid-state configuration. Employing a two-stage Nd:YVO 4 amplifier, we obtained 10 W average output power, which preserved both the quasi-diffraction limited beam quality and spectral purity of the seeder. Second harmonic generation (SHG) with 50% conversion efficiency was demonstrated in type-II potassium titanyl phosphate (KTP) and type-I angle phase matched lithium triborate (LBO) crystal. Furthermore, a space independent numerical model was developed in order to study the dependence of intracavity pulse energy on the main design parameters of the master oscillator (cavity length, FBG bandwidth, SESAM modulation depth) within the stability range (single pulse per round trip in CW mode-locking operation) of the fiber laser master oscillator.

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Environmentally stable picosecond Yb fiber laser with low repetition rate

et al. 2012

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A SESAM-mode-locked, all-polarization-maintaining Ytterbium fiber laser producing picosecond pulses with narrow spectral bandwidth is presented. A simple linear all-fiber cavity without dispersion compensation is realized using a uniform fiber Bragg grating (FBG). Different cavity lengths are investigated and repetition rates down to 0.7 MHz are obtained. Bandwidth and pulse duration of the output pulses are mainly determined by the choice of FBG. Pulses between 30 and 200 ps are generated employing different FBGs with bandwidths between 17 and 96 pm. The experimental results are in good agreement with numerical simulations. The laser holds great potential for simple amplification setups without pulse picking

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Ultrashort pulse formation and evolution in mode-locked fiber lasers

Cited by 9 publications

References 32 publications

Dynamics of a Dispersion-Managed Passively Mode-Locked Er-Doped Fiber Laser Using Single Wall Carbon Nanotubes

Dynamics of a Dispersion-Managed Passively Mode-Locked Er-Doped Fiber Laser Using Single Wall Carbon Nanotubes

Low repetition rate, hybrid fiber/solid-state, 1064 nm picosecond master oscillator power amplifier laser system

Environmentally stable picosecond Yb fiber laser with low repetition rate

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