High-gain fiber, optical-parametric, chirped-pulse amplification of femtosecond pulses at 1 μm

Bigourd, Damien; Lago, Laure; Mussot, Arnaud; Kudlinski, Alexandre; Gleyze, Jean-François; Hugonnot, Emmanuel

doi:10.1364/ol.35.003480

Cited by 40 publications

(12 citation statements)

References 22 publications

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“…One exciting direction is also to amplify a single-cycle pulse and even to synthesize a subcycle pulse by carefully controlling phase and amplitude in several complex OPCPA stages [7]. Recently, Fiber-based OPCPA (FOPCPA) has been numerically [8,9] and experimentally investigated [10][11][12][13] in order to replace bulk nonlinear crystal by optical fiber. The basic principle of operation relies on a degenerate phase-matched fourwave mixing process involving one strong narrow bandwidth pump-wave, a weak stretched signal seeding the amplifier, and a generated idler wave [14].…”

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confidence: 99%

Ultra-broadband fiber optical parametric amplifier pumped by chirped pulses

et al. 2014

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We numerically and experimentally demonstrate ultra-broadband fiber optical parametric amplification in a microstructured fiber pumped by stretched short pulses. The chirped pump pulse induces a temporally spread spectral gain suitable for optical parametric chirped pulse amplification in fibers. Numerical simulation shows ~45 dB flat gain with more than 70 nm bandwidth, allowing sub-35 fs pulse amplification around 1 μm with reduced gain narrowing. This amplification principle is experimentally confirmed by measuring the instantaneous spectral gain band and related chirp.

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Ultra-broadband fiber optical parametric amplifier pumped by chirped pulses

et al. 2014

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“…However, because of the nonlinearity of the fiber, the power scaling of the FOPO approach can be very challenging, leaving the output power levels around the milli-Watt range. To further increase the output power, the use of fiber optical parametric chirped-pulse amplifier (FOPCPA) has been proposed [20][21][22][23][24][25], which combines chirped-pulse amplification and parametric interaction to achieve high power amplification inside the fiber. In [26], microjoulelevel pulses have been produced with a FOPCPA, which shows great energy scalability of the approach.…”

Section: Introductionmentioning

confidence: 99%

All-fiber high-power 1700 nm femtosecond laser based on optical parametric chirped-pulse amplification

Qin¹,

Batjargal²,

Cromey³

et al. 2020

Opt. Express

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We present the design and construction of an all-fiber high-power optical parametric chirped-pulse amplifier working at 1700 nm, an important wavelength for bio-photonics and medical treatments. The laser delivers 1.42 W of output average power at 1700 nm, which corresponds to ∼40 nJ pulse energy. The pulse can be de-chirped with a conventional grating pair compressor to ∼450 fs. Furthermore, the laser has a stable performance with relative intensity noise typically below the -130 dBc/Hz level for the idler pulses at 1700 nm from 10kHz to 16.95 MHz, half of the laser repetition rate f /2.

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“…After the amplification, the signal is recompressed close to its initial pulse duration. The strong pump pulse has a relatively long duration (tens of ps to ns) to match the one of the stretched signals [5,[7][8][9]. More recently, several configurations of fiber-based OPA (FOPA) have been performed to amplify a very large spectral width at high gain [10][11][12][13] or a narrower band at high energy in the µJ range [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Temporal Distribution Measurement of the Parametric Spectral Gain in a Photonic Crystal Fiber Pumped by a Chirped Pulse

et al. 2019

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The temporal distribution of the spectral parametric gain was experimentally investigated when a chirped pump pulse was injected into a photonic crystal fiber. A pump-probe experiment was developed and the important characteristics were measured as the chirp of the pump, the signal pulse, and the gain of the parametric amplifier. We highlight that the amplified spectrum depends strongly on the instantaneous pump wavelength and that the temporal evolution of the wavelength at maximum gain is not monotonic. This behavior is significantly different from the case in which the chirped pump has a constant peak power. This measurement will be very important to efficiently include parametric amplifiers in laser systems delivering ultra-short pulses.

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High-gain fiber, optical-parametric, chirped-pulse amplification of femtosecond pulses at 1 μm

Cited by 40 publications

References 22 publications

Ultra-broadband fiber optical parametric amplifier pumped by chirped pulses

Ultra-broadband fiber optical parametric amplifier pumped by chirped pulses

All-fiber high-power 1700 nm femtosecond laser based on optical parametric chirped-pulse amplification

Temporal Distribution Measurement of the Parametric Spectral Gain in a Photonic Crystal Fiber Pumped by a Chirped Pulse

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