Pulse compression of nanojoule pulses in the visible using microstructure optical fiber and dispersion compensation

Lakó, S.; Seres, J.; Apai, P.; Balázs, János; Windeler, R.S.; Szipöcs, R.

doi:10.1007/s00340-002-1090-6

Cited by 31 publications

(12 citation statements)

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“…However, the PCF output pulse exhibits a complicated spectral phase because several nonlinear phenomena occur simultaneously, such as SPM, parametric four-wave mixing, stimulated Raman scattering, high-order soliton formation and collapse, and self-steepening, as well as unusual dispersion profile. Therefore, conventional passive elements such as a combination of a prism pair and chirp mirrors could not compensate for its spectral phase [31]. But, we recently demonstrated that the SRCSC enables us to compensate for such complicated spectral phase and the 12-fs input pulse was compressed to 6.6 fs [16], as shown below.…”

Section: B Experiments Of Photonic Crystal Fiber (Pcf) and Tapered Fmentioning

confidence: 99%

Quasi-automatic phase-control technique for chirp compensation of pulses with over-one-octave bandwidth-generation of few- to mono-cycle optical pulses

Yamashita

Yamane²,

Morita

2006

IEEE J. Select. Topics Quantum Electron.

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Abstract-This paper introduces our self-recognition type of the computer-controlled spectral phase compensator (SRCSC), which consists of a greatly accurate phase manipulator with a spatial light modulator (SLM), a highly sensitive phase characterizer using a modified spectral phase interferometry for direct electric field reconstruction (M-SPIDER), and a computer for phase analysis and SLM control operating in the immediate feedback (FB) mode. The application of the SRCSC to adaptive compensation of various kinds of complicated spectral phases such as nonlinear chirped pulses with a weak intensity, induced-phase modulated pulses, photonic-crystal-fiber (PCF) output pulses, and nonlinear chirped pulses exceeding a 500-rad phase variation over-one-octave bandwidth demonstrated that the SRCSC is significantly useful for compensation of arbitrary nonlinear chirp and hence enables us to generate quasi-monocycle transform-limited (TL) pulses with a 2.8-fs duration. To the best of our knowledge, this 1.5-cycle pulse is the shortest single pulse with a clean temporal profile in the visible to near-infrared region.Index Terms-Complicated nonlinear chirp compensation, optical pulse compression, over-one-octave bandwidth, quasiautomatic spectral phase control, quasi-monocycle pulse generation.

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Section: B Experiments Of Photonic Crystal Fiber (Pcf) and Tapered Fmentioning

confidence: 99%

Quasi-automatic phase-control technique for chirp compensation of pulses with over-one-octave bandwidth-generation of few- to mono-cycle optical pulses

Yamashita

Yamane²,

Morita

2006

IEEE J. Select. Topics Quantum Electron.

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“…6) In combination with the spatial light modulation, grating pairs, or prism pairs to provide group velocity dispersion compensation, the Ti:sapphire pulses exiting from a PCF can be successfully compressed to generate relative short pulses. [7][8][9] However, nonlinear PCFs may not be suitable for ultrafast pulse generation in some applications. The relative high pulse energy launched into nonlinear PCFs can induce unexpected high nonlinearity and complicate the output pulse-shape.…”

Section: Introductionmentioning

confidence: 99%

Ultrashort Pulse Compression for Mode-Locked Ti:Sapphire Laser by Using a Tapered Fiber and Grating Pair

Lin

Taso

Hsu

et al. 2010

Jpn. J. Appl. Phys.

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Extracavity pulse compression for pulses from an 82 MHz mode-locked Ti:sapphire laser is demonstrated by utilizing a tapered fiber of 1 mm in diameter and 10 mm in length. Group velocity dispersion of the tapered fiber is calculated, which shows two zero dispersion wavelengths locating at 545 and 1250 nm, respectively. The nonlinear coefficient of the tapered fiber is estimated to be 733 (W À1 km À1) at 880 nm wavelength. With 80 fs input pulses at 880 nm center wavelength, the optical bandwidth is broadened beyond 22 THz by the tapered fiber. After dispersion compensation by a grating pair with 1.45 cm separation, 26 fs output pulses are obtained. One-third pulse compression ratio has been experimentally demonstrated in this work for center wavelengths ranging from 720 to 880 nm.

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“…With all the basic non-linear optical phenomena, including self-and cross-phase modulation, thirdharmonic generation, stimulated Raman scattering and fourwave mixing, radically enhanced in these fibers, 4 multioctave supercontinuum emission can now be generated as a result of all these processes with low-energy femtosecond laser pulses. 4,9,10 Such supercontinuum-generating fibers have opened a new era in optical metrology, 11 -15 offering new, promising solutions for pulse compression, 16 spectroscopy, 17 absolute-phase measurements 18 and biomedical optics 19 and revealing new effects in soliton physics. 20 The ability of microstructure fibers to provide high degrees of light confinement within a few-micron fiber core 21,22 and the tunability of their dispersion properties 23,24 are at the heart of this substantial enhancement of non-linear optical processes, which finds numerous applications and leads to breakthroughs in fundamental science.…”

Section: Introductionmentioning

confidence: 99%

The l²/a⁴ theorem of waveguide CARS enhancement revised for hollow microstructure fibers

Желтиков

2003

J Raman Spectroscopy

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The ways of optimizing waveguide coherent anti-Stokes Raman scattering (CARS) in hollow microstructure fibers are considered. The theorem predicting an l 2 /a 4 enhancement for the waveguide CARS process in a hollow fiber with an inner radius a and length l is revised to include new solutions offered by microstructure fibers. The maximum CARS enhancement in a hollow microstructure fiber is shown to scale as l 2 /a 2 a 4 with radiation wavelength l, radiation losses a and inner fiber radius a, allowing CARS efficiency to be substantially improved with respect to standard, solid-cladding hollow fibers.

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Pulse compression of nanojoule pulses in the visible using microstructure optical fiber and dispersion compensation

Cited by 31 publications

References 0 publications

Quasi-automatic phase-control technique for chirp compensation of pulses with over-one-octave bandwidth-generation of few- to mono-cycle optical pulses

Quasi-automatic phase-control technique for chirp compensation of pulses with over-one-octave bandwidth-generation of few- to mono-cycle optical pulses

Ultrashort Pulse Compression for Mode-Locked Ti:Sapphire Laser by Using a Tapered Fiber and Grating Pair

The l²/a⁴ theorem of waveguide CARS enhancement revised for hollow microstructure fibers

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Pulse compression of nanojoule pulses in the visible using microstructure optical fiber and dispersion compensation

Cited by 31 publications

References 0 publications

Quasi-automatic phase-control technique for chirp compensation of pulses with over-one-octave bandwidth-generation of few- to mono-cycle optical pulses

Quasi-automatic phase-control technique for chirp compensation of pulses with over-one-octave bandwidth-generation of few- to mono-cycle optical pulses

Ultrashort Pulse Compression for Mode-Locked Ti:Sapphire Laser by Using a Tapered Fiber and Grating Pair

The l2/a4 theorem of waveguide CARS enhancement revised for hollow microstructure fibers

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The l²/a⁴ theorem of waveguide CARS enhancement revised for hollow microstructure fibers