Filter-Based Dispersion-Managed Versatile Ultrafast Fibre Laser

Peng, Junsong; Boscolo, Sonia

doi:10.1038/srep25995

Cited by 34 publications

(15 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…To this end, we use a spatial light modulator (SLM) positioned in the Fourier plane of a dispersive delay line in a fiber laser cavity. While use of fixed spectral filters to influence mode locking goes back to the 1980s [18], our results rather build on recent demonstrations of SLM-based spectral filtering in picosecond fiber lasers [19,20] since we require dynamic and fully adjustable control; an excellent review is [17]. We now show that we can initiate or halt mode locking, steer the mode-locking state to more favorable but difficult-to-reach states, prevent cw breakthrough instability, automatically improve pulse shape, and generate pulses as short as 40 fs.…”

supporting

confidence: 78%

Direct control of mode-locking states of a fiber laser

Iegorov¹,

Teamir²,

Makey³

et al. 2016

Optica

View full text Add to dashboard Cite

supporting

confidence: 78%

Direct control of mode-locking states of a fiber laser

Iegorov¹,

Teamir²,

Makey³

et al. 2016

Optica

View full text Add to dashboard Cite

“…Laser-generated DSs were found to exist in the net cavity dispersion range of 0.247 to 0.505 ps 2 . We have confirmed the different regimes of pulse generation by numerical simulations of the laser [7].…”

Section: Figure 2 (A) Schematic Of the Filter-based Dispersion-managsupporting

confidence: 60%

“…Here we review the operation of an ultrafast passively-mode-locked fibre laser, which can be readily and reliably switched among conventional soliton, stretched-pulse and DS mode-locking regimes by changing the dispersion and bandwidth of an in-cavity programmable filter only, while no changes are made to the physical layout of the laser cavity [7]. Figure 2(a) shows a schematic of our passively-mode-locked EDF ring laser.…”

Section: Dispersion-managed Versatile Ultrafast Fibre Lasermentioning

confidence: 99%

“…As an application of this general approach, we show that the use of an incavity flat-top spectral filter makes it possible to directly generate sinc-shaped Nyquist pulses of high quality and of a widely-tunable bandwidth from the laser [6]. We also report on a recently-developed versatile erbium-doped fibre (EDF) laser, in which conventional soliton, dispersion-managed (DM) soliton (stretched-pulse) and dissipative soliton (DS) mode-locking regimes can be selectively and reliably targeted by programming different group-velocity dispersion (GVD) profiles and bandwidths on an in-cavity programmable filter [7]. …”

mentioning

confidence: 99%

See 1 more Smart Citation

In-cavity pulse shaping by spectral sculpturing in mode-locked fibre lasers

Boscolo

Peng

Finot

2016

2016 18th International Conference on Transparent Optical Networks (ICTON)

Self Cite

View full text Add to dashboard Cite

We review our recent progress on the realisation of pulse shaping in passively-mode-locked fibre lasers by inclusion of an amplitude and/or phase spectral filter into the laser cavity. We numerically show that depending on the amplitude transfer function of the in-cavity filter, various advanced temporal waveforms can be generated, including parabolic, flattop and triangular pulses. An application of this approach using a flattop spectral filter is shown to achieve the direct generation of high-quality sinc-shaped optical Nyquist pulses with a widely tunable bandwidth from the laser oscillator. We also present the operation of an ultrafast fibre laser in which conventional, dispersion-managed and dissipative soliton mode-locking regimes can be selectively and reliably targeted by adaptively changing the dispersion profile and bandwidth programmed on an in-cavity programmable filter. Keywords: mode-locked fibre lasers, nonlinear pulse shaping, frequency filtering, nonlinear fibre optics. INTRODUCTIONAt the level of fundamental research, mode-locked lasers constitute an ideal platform for the investigation of original and complex nonlinear dynamics of ultrashort pulses, while at the applied research level, pulses with different and optimised features -e.g., in terms of pulse duration, temporal and/or spectral shape, width, energy, repetition rate and emission bandwidth -are sought with the general constraint of developing efficient cavity architectures. In these two aspects, fibre laser cavities, which offer compact and versatile design, represent an area of intense development. Recently, the inclusion of a spectral pulse shaper into the cavity of a mode-locked fibre laser has emerged as a method to achieve a potentially high degree of control over the dynamics and the output of the laser [1-3], while obviously entailing a more power efficient technique than pulse shaping implemented through direct filtering of a laser output. The use of a spectral filter based on a Fourier-domain programmable optical processor [4], when placed inside a laser cavity, has the potential to allow the operation of lasers that exhibit pulse characteristics that can be controlled purely through software control. In this paper, we review our recent results and advances in the area, by numerically describing a novel approach to achieving different regimes of pulse generation in a passively-mode-locked fibre laser, which relies on nonlinear in-cavity pulse dynamics and pulse shaping by an in-cavity amplitude and phase spectral filter [5]. By changing the amplitude profile applied on the filter, we are able to create various output temporal waveforms of fundamental and practical interest, ranging from bright and dark parabolic profiles to a flat-top profile and triangular and sawtooth (asymmetric triangular) profiles. As an application of this general approach, we show that the use of an incavity flat-top spectral filter makes it possible to directly generate sinc-shaped Nyquist pulses of high quality and of a widely-tunable bandwid...

show abstract

“…Due to the comprehensive interplay among many factors (nonlinear, dispersion, gain and loss), pulses risen in a mode-locked fiber laser usually have rich and complex nonlinear dynamics [1]. Various pulse states [2][3][4], such as Q-switched pulse, conservative soliton, stretched pulse, dissipative soliton, noise-like pulse, and similariton, have been reported depending on cavity configuration. What is more, the behavior of the pulses can also be single-pulse, multi-pulse, and unstable pulses with periodic or non-periodic fluctuation etc [5,6].…”

Section: Introductionmentioning

confidence: 99%

Dissipative soliton resonance Ytterbium-doped fiber laser with cylindrical vector beam generation

Zhang

et al. 2019

Optics & Laser Technology

View full text Add to dashboard Cite

We experimentally demonstrate a dissipative soliton resonance (DSR) Ytterbium-doped fiber laser with high-purity cylindrical vector beam (CVB) generation, using a mode-selective coupler (MSC) as transverse mode converter and splitter. The all-normal-dispersion mode-locked Ytterbium-doped fiber laser operating at DSR regime without spectral filter can deliver CVB pulses with a pulse duration of ∼733 ps and a pulse energy as high as ∼0.439 nJ. The radially and azimuthally polarized beams can be switched by adjusting the polarization controller, with a high mode purity measured to be >94.5%. This compact DSR fiber laser could find potential applications in the field of material processing, nonlinear optics and so on.

show abstract

Filter-Based Dispersion-Managed Versatile Ultrafast Fibre Laser

Cited by 34 publications

References 47 publications

Direct control of mode-locking states of a fiber laser

Direct control of mode-locking states of a fiber laser

In-cavity pulse shaping by spectral sculpturing in mode-locked fibre lasers

Dissipative soliton resonance Ytterbium-doped fiber laser with cylindrical vector beam generation

Contact Info

Product

Resources

About