Soliton delivery of mid-IR femtosecond pulses with ZBLAN fiber

Tolstik, Nikolai; Sorokin, Evgeni; Калашников, В. Л.; Sorokina, Irina T.

doi:10.1364/ome.2.001580

Cited by 14 publications

(10 citation statements)

References 19 publications

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“…Laser pulses were close to transform-limited with the time-bandwidth product of 0.335. The beam profile has a slight ellipticity, but is much better in quality than in the SESAM-based setup [19], allowing convenient launching into a single-mode fiber [20]. A chirp-free pulse, calculated from the measured output spectrum, would have had a duration of 65 fs.…”

mentioning

confidence: 99%

Kerr-lens mode-locked Cr:ZnS laser

Tolstik¹,

Sorokin²,

Sorokina³

2013

Opt. Lett.

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Received Month X, XXXX; revised Month X, XXXX; accepted Month X, XXXX; posted Month X, XXXX (Doc. ID XXXXX); published Month X, XXXX We report the soft-aperture Kerr-lens mode-locked Cr:ZnS laser, generating 550 mW of 69-fs nearly transform-limited pulses at 2.39 µm wavelength. The pulse energy reached 3.8 nJ at 145 MHz repetition rate, limited by the onset of doublepulsing. This corresponds to the shortest-pulse and highest-energy direct femtosecond laser source in the mid-IR. Dispersion compensation was achieved by a single chirped mirror and a thin sapphire plate, making the laser design simple, compact and very stable, operating at ambient air and room temperature. The superb thermal and mechanical properties of Cr:ZnS, exceeding those of Cr:ZnSe and many established femtosecond laser crystals should allow further scaling of output power.

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confidence: 99%

Kerr-lens mode-locked Cr:ZnS laser

Tolstik¹,

Sorokin²,

Sorokina³

2013

Opt. Lett.

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“…Soliton propagation of a 110-fs pulse in 208 cm single-mode ZBLAN fiber. Simulated (a) and observed (b) output spectra confirming the soliton propagation regime [17]. Input (c) and output (d) autocorrelation signals, confirming pulsewidth preservation when = 1 soliton condition is fulfilled.…”

Section: Applicationsmentioning

confidence: 63%

“…gray transmission spectrum in Fig.2a). A possible solution is to utilize a nonlinear-optical delivery using a solitonic propagation in an anomalouos-dispersion fiber [17], which can be performed in an off-the-shelf ZBLAN fiber at typical oscillator pulse energies of 1.5-5 nJ in a 110-40 fs pulse duration range (Fig. 3).…”

Section: Applicationsmentioning

confidence: 99%

Mid-Infrared Femtosecond Lasers

Sorokin

Tolstik

Sorokina

2013

Advanced Solid-State Lasers Congress

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“…The stable coherent SC with spectral bandwidth reaching 800 nm was demonstrated [71], [72]. Furthermore, also in 2012 the environmentally protected delivery method of femtosecond pulses from Cr:ZnS laser through the soliton formation in commercially available ZBLAN fiber was demonstrated [73]. That result is very important for practical implementation of the broadband mid-IR sources usually suffering from the atmospheric absorption.…”

Section: Germanate Fibers For Sc Generationmentioning

confidence: 90%

Mid-IR Ultrashort Pulsed Fiber-Based Lasers

Sorokina

Dvoyrin

Tolstik

et al. 2014

IEEE J. Select. Topics Quantum Electron.

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We review the latest breakthroughs in ultrafast fiber laser technology in the mid-IR wavelength range ≥2 μm. In particular, we concentrate on two novel laser systems built around passively mode-locked Tm:fiber lasers and fiber-based Cr:ZnS lasers, generating sub-100 femtosecond pulses and frequency combs with several Watt average output powers, hundreds of kilowatts peak powers and tens of nanojoule pulse energies. The tunability in the broad wavelength range between 2 and 2.5 μm as well as a simple all-silica-fiber design makes the Tm-fiber laser a truly unique broadband light source, particularly relevant for applications in gas sensing, fine material processing of semiconductors, composite materials, glasses and plastics, as well as for brain surgery, breath analysis, remote sensing and stand-off trace gas detection, especially in oil and gas industry. We also review techniques for coherent supercontinuum generation in the mid-IR, including a novel technique of direct generation of the supercontinuum in the fiber. A competing Watt level few-optical cycle Cr:ZnS laser operating at 2.4 μm (Patent pending, ATLA Lasers, Trondheim, Norway) is distinguished by extremely short pulse duration of only 41 fs, reliability and compactness. This unique ultrashort-pulsed laser generates intrinsically coherent frequency combs, which further extends the application range to high-resolution and high-sensitivity spectroscopy and optical clocks.

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Soliton delivery of mid-IR femtosecond pulses with ZBLAN fiber

Cited by 14 publications

References 19 publications

Kerr-lens mode-locked Cr:ZnS laser

Kerr-lens mode-locked Cr:ZnS laser

Mid-Infrared Femtosecond Lasers

Mid-IR Ultrashort Pulsed Fiber-Based Lasers

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