High average power, high repetition rate, picosecond pulsed fiber master oscillator power amplifier source seeded by a gain-switched laser diode at 1060 nm

Dupriez, P.; Piper, A.; Malinowski, A.; Sahu, J.K.; Ibsen, M.; Thomsen, Benn C.; Jeong, Yoonchan; Hickey, L.M.B.; Zervas, M.N.; Nilsson, Johan; Richardson, David J.

doi:10.1109/lpt.2006.873486

Cited by 113 publications

(46 citation statements)

References 9 publications

(9 reference statements)

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“…Because of uncompensated higherorder chirp, only 6 nm sweep range has been used, which currently is the reason for limited pulse energies of B140 pJ (without EDFA) and B5.6 nJ (with EDFA). Concerning the achievable pulse energy, these results cannot compete with master oscillator fibre power amplifier systems 39 , but are comparable to semiconductor-based, optically pumped VECSELs 15,16 or semiconductor-based master oscillator power amplifier systems 12,14 . Nevertheless, it should be emphasized that in spite of current experimental restrictions, already the B140 pJ is higher than typical pulse energies achievable with conventionally mode-locked SOA-based semiconductor lasers 9 , even in the case of using an eXtreme chirped pulse oscillator approach 40 .…”

Section: Discussionmentioning

confidence: 89%

Picosecond pulses from wavelength-swept continuous-wave Fourier domain mode-locked lasers

et al. 2013

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Ultrafast lasers have a crucial function in many fields of science; however, up to now, highenergy pulses directly from compact, efficient and low-power semiconductor lasers are not available. Therefore, we introduce a new approach based on temporal compression of the continuous-wave, wavelength-swept output of Fourier domain mode-locked lasers, where a narrowband optical filter is tuned synchronously to the round-trip time of light in a kilometre-long laser cavity. So far, these rapidly swept lasers enabled orders-of-magnitude speed increase in optical coherence tomography. Here we report on the generation of B60-70 ps pulses at 390 kHz repetition rate. As energy is stored optically in the long-fibre delay line and not as population inversion in the laser-gain medium, high-energy pulses can now be generated directly from a low-power, compact semiconductor-based oscillator. Our theory predicts subpicosecond pulses with this new technique in the future.

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Section: Discussionmentioning

confidence: 89%

Picosecond pulses from wavelength-swept continuous-wave Fourier domain mode-locked lasers

et al. 2013

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“…Impressive results have been obtained in pulse operation and continuous wave. 3) An average power as much as 97 W at a repetition rate of 47 MHz, corresponding to a peak power as high as 200 KW was obtained by J. Limpert.…”

Section: Introductionmentioning

confidence: 95%

“…13) We have experimentally for the first time investigated the generation of fiber tunable high-power ps laser with non-mode-locked operation and its system design based on master oscillator power amplifier (MOPA). 3) The system is an attractive technology for compact, robust, and reliable ps pulse sources. The Yb-doped fiber preamplifier was constructed by multistage amplifier cascade connection, which reduces amplification of spontaneous emission in signal and helps to obtain a high gain at the same time.…”

Section: Introductionmentioning

confidence: 99%

Generation of Fiber Tunable High-power Picosecond Laser Pulse

Liu

Gao

Tao

et al. 2008

The Review of Laser Engineering

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A fiber tunable high-power picosecond laser system has been for the first time demonstrated. A gain switch semiconductor laser diode was introduced as seed source, and a multi-stage single mode Yb-doped fiber amplifier was combined with a single mode double-clad Yb-doped fiber amplifier to construct the amplification system. High stability and good beam quality pulses with 1MHz tunable repetition rate, 3W average power, 90ps pulse duration, and central wavelength tunable from 1053 nm to 1073 nm were generated. The completely fiber integrated approach has the potential to be scaled to significantly higher average powers.

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“…Laser configurations are attractive due to simplicity and compactness. On the other hand, amplifier configurations allow for more refined control, such as in master-oscillator -power amplifiers for single-frequency signals [9], controlled pulses [10], etc. However, they normally require multiple amplification stages to reach multi-kW power levels, thereby resulting in relatively complicated structures.…”

Section: Introductionmentioning

confidence: 99%

Multi-kilowatt Single-mode Ytterbium-doped Large-core Fiber Laser

Jeong¹,

Boyland²,

Sahu³

et al. 2009

Journal of the Optical Society of Korea

126

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We have demonstrated a highly efficient cladding-pumped ytterbium-doped fiber laser, generating >2.1 kW of continuous-wave output power at 1.1 μm with 74% slope efficiency with respect to launched pump power. The beam quality factor (M 2 ) was better than 1.2. The maximum output power was only limited by available pump power, showing no evidence of roll-over even at the highest output power. We present data on how the beam quality depends on the fiber parameter, based on our current and past fiber laser developments. We also discuss the ultimate power-capability of our fiber in terms of thermal management, Raman nonlinear scattering, and material damage, and estimate it to 10 kW.

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High average power, high repetition rate, picosecond pulsed fiber master oscillator power amplifier source seeded by a gain-switched laser diode at 1060 nm

Cited by 113 publications

References 9 publications

Picosecond pulses from wavelength-swept continuous-wave Fourier domain mode-locked lasers

Picosecond pulses from wavelength-swept continuous-wave Fourier domain mode-locked lasers

Generation of Fiber Tunable High-power Picosecond Laser Pulse

Multi-kilowatt Single-mode Ytterbium-doped Large-core Fiber Laser

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