Generation of 8 nJ pulses from a dissipative-soliton fiber laser with a nonlinear optical loop mirror

Zhao, Lei; Bartnik, Adam; Tai, Q. Q.; Wise, Frank W.

doi:10.1364/ol.38.001942

Cited by 87 publications

(43 citation statements)

References 17 publications

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“…al. reported pulses well consistent with the DSR, which we believed, based on our model were due to a large splitting ratio thus a small saturation power of the NOLM [28]. By simply increasing the loop length, saturation power can also be reduced.…”

Section: B Case For Sinusoidal Sa Curvesupporting

confidence: 83%

“…Although we focus on the qualitative analysis on DSR generation, we believe our results are practical for experiments. As a result of this work, a method to achieve DSR in practice is suggested [28], [29]: inducing strong peak-power-clamping effect, for example, using a very long NOLM as the mode-locking technique. Our numerical results further shows that under DSR generation, the generated pulse peak power can be directly controlled by the cavity peak-power-clamping effect, which is also demonstrated experimently.…”

Section: Discussionmentioning

confidence: 99%

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Mechanism of Dissipative-Soliton-Resonance Generation in Passively Mode-Locked All-Normal-Dispersion Fiber Lasers

Tang

Zhao

et al. 2015

J. Lightwave Technol.

125

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Numerical simulations on dissipative-solitonresonance generation in an all-normal-dispersion fiber ring laser are presented. Situations with monotonic and periodical saturable absorption are both considered. The multipulse operation in dissipative soliton laser is found to be caused by the spectral filtering effect that limits the spectral maximum width. And the multipulsing can be fully circumvent by inducing strong peak-power-clamping effect of a sinusoidal saturable absorber in the cavity. When the cavity peak-power-clamping effect is strong enough that the pulse peak-power and the pulse spectral width are both confined at a low value, the spectral filtering effect induced multipulse operation is prevented and the dissipative-soiton-resonance is generated. Otherwise, the spectral filtering effect causes pulse breaking before the pulse peak power reaches the saturation point. Further results show that under the dissipative-soliton-resonance, the generated pulse peak power can be directly controlled by the cavity peak-power-clamping effect, which is determined by the saturation power of the saturable absorber.

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Section: B Case For Sinusoidal Sa Curvesupporting

confidence: 83%

Section: Discussionmentioning

confidence: 99%

Mechanism of Dissipative-Soliton-Resonance Generation in Passively Mode-Locked All-Normal-Dispersion Fiber Lasers

Tang

Zhao

et al. 2015

J. Lightwave Technol.

125

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show abstract

“…These values are comparable to those for the B10-nJ SRS-free DS generated in all-fibre configurations of Yb-doped fibre oscillators (for example, ref. 25) and only slightly worse than the best results for the B3-nJ Er-doped fibre oscillators 26 . In our case, the total pulse energy at the DS and RDS outputs is 25 nJ, with nearly equal division inside the cavity and a fourfold difference at the outputs because of selective DS amplification.…”

Section: Resultsmentioning

confidence: 83%

Multicolour nonlinearly bound chirped dissipative solitons

et al. 2014

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The dissipative soliton regime is one of the most advanced ways to generate high-energy femtosecond pulses in mode-locked lasers. On the other hand, the stimulated Raman scattering in a fibre laser may convert the excess energy out of the coherent dissipative soliton to a noisy Raman pulse, thus limiting its energy. Here we demonstrate that intracavity feedback provided by re-injection of a Raman pulse into the laser cavity leads to formation of a coherent Raman dissipative soliton. Together, a dissipative soliton and a Raman dissipative soliton (of the first and second orders) form a two (three)-colour stable complex with higher total energy and broader spectrum than those of the dissipative soliton alone. Numerous applications can benefit from this approach, including frequency comb spectroscopy, transmission lines, seeding femtosecond parametric amplifiers, enhancement cavities and multiphoton fluorescence microscopy.

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“…The transmission of the NOLM can be modified by changing the loop length, coupler split ratio and incoming pulse intensity 13 . Zhao et al reported on 8 nJ pulses that could be compressed below 300 fs from an all-fiber oscillator with the NOLM mode-locker 14 . Although impressive, the design was not fully environmentally stable because of use of non-PM fibers.…”

Section: Mode-locking Methodsmentioning

confidence: 99%

Different mode-locking methods in high energy all-normal dispersion Yb femtosecond all-fiber lasers

et al. 2015

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Ultrafast all-fiber oscillators are currently one of the most rapidly developing laser technologies. Many advantages like: environmental stability, low sensitivity to misalignment, excellent beam quality (intrinsic single transverse mode operation), high energy and an excellent active medium efficiency make them the lasers of choice for a variety of applications. In this paper the designs of all-fiber all-normal dispersion femtosecond lasers are described. Due to large positive chirp, the pulses inside the cavity are highly stretched in time and they can achieve higher energies with the same peak power as shorter pulses. High insensitivity to mechanical perturbations or temperature drift is another highly valued property of presented configurations. Two of reported lasers are extremely stable due to the fact that their cavities are built entirely of polarization maintaining fibers and optical elements.We used highly Yb 3+ ions doped fibers as an active medium pumped by a fiber coupled 976 nm laser diode. The central wavelength of our laser oscillators was 1030 nm. Three methods of passive mode-locking in all-fiber cavities were studied. In particular, the designs with Nonlinear Polarization Evolution (NPE), Nonlinear Optical Loop Mirror (NOLM) and Nonlinear Amplifying Loop Mirror (NALM) as artificial saturable absorbers were investigated. The most attention was paid to all-PM-fiber configurations. We present two self-starting, high energy, all-fiber configurations: one delivering pulses with energy of 4.3 nJ and dechirped pulse duration of 150 fs based on the NALM and another with a 6.8 nJ, 390 fs pulses in configuration with the NOLM. The influence of different artificial saturable absorber on output pulse characteristics were studied and analyzed.

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Generation of 8 nJ pulses from a dissipative-soliton fiber laser with a nonlinear optical loop mirror

Cited by 87 publications

References 17 publications

Mechanism of Dissipative-Soliton-Resonance Generation in Passively Mode-Locked All-Normal-Dispersion Fiber Lasers

Mechanism of Dissipative-Soliton-Resonance Generation in Passively Mode-Locked All-Normal-Dispersion Fiber Lasers

Multicolour nonlinearly bound chirped dissipative solitons

Different mode-locking methods in high energy all-normal dispersion Yb femtosecond all-fiber lasers

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