Chalcogenide Glass Polarization-Maintaining Photonic Crystal Fiber for Mid-Infrared Supercontinuum Generation

Ghosh, Amar Nath; Meneghetti, Marcello; Petersen, Christian; Bang, Ole; Brilland, Laurent; Venck, Sébastien; Trolès, Johann; Dudley, John M.; Sylvestre, Thibaut

doi:10.1109/cleoe-eqec.2019.8871607

Cited by 4 publications

(2 citation statements)

References 3 publications

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“…Among the large variety of infrared fibers, chalcogenide-glass-based fibers (composed of chalcogen elements such as S, Se or Te) are excellent platforms for SC applications in the MIR due to their wider transmission window, tailorable dispersion, and hundred times larger nonlinearity compared to silica or ZBLAN fibers [43,47,[55][56][57]. Bulk chalcogenide glasses are usually prepared using several techniques such as melt-quenching [46,58] or microwave radiation [59,60] that can be drawn into highly nonlinear step-index fibers [58] or dispersion-tailored PCFs using techniques such as molding [61][62][63], drilling [64] and extrusion [65].…”

Section: A Soft-glass Fibersmentioning

confidence: 99%

Recent Advances in Supercontinuum Generation in Specialty Fiber

Sylvestre¹

2021

Preprint

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The physics and applications of fiber-based supercontinuum (SC) sources have been a subject of intense interest over the last decade, with a significant impact on both basic science and industry. New uses for SC sources are also constantly emerging due to their unique properties that combine high brightness, multi-octave frequency bandwidth, fiber delivery, and single-mode output. The last few years have seen significant research efforts focused on extending the wavelength coverage of SC sources towards the 2 to 20 μm molecular fingerprint mid-infrared (MIR) region and in the ultraviolet (UV) down to 100 nm, while also improving stability, noise, and coherence, output power and polarization properties. Here we review a selection of recent advances in SC generation in a range of specialty optical fibers including fluoride, chalcogenide, telluride, and silicon-core fibers for the MIR; UV-grade silica fibers, liquid-filled and gas-filled hollow-core fibers for the UV range; and all-normal dispersion fibers for ultra-low nose coherent SC generation.

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Section: A Soft-glass Fibersmentioning

confidence: 99%

Recent Advances in Supercontinuum Generation in Specialty Fiber

Sylvestre¹

2021

Preprint

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“…These experimental measurements have been further compared to numerical simulations of the two-coupled generalized nonlinear Schrödinger equations (CGNLSEs), as those described in Ref. [20] for highly-birefringent PM fibers. We performed SC and RIN simulations solving the CGNLSEs using the split-step method and the initial conditions as described in [6] with an input pulse duration of 180 fs (full width half maximum), an input peak power of 48 kW, an input amplitude noise value of 0.22 % (amplitude noise ≈ RIN/2) and associated anti-correlated pulse duration fluctuations to keep the energy of the mode-locked laser constant.…”

mentioning

confidence: 99%

An ultra-flat, low-noise and linearly polarized fiber supercontinuum source covering 670 nm-1390 nm

Genier¹

2021

Preprint

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We report an octave-spanning coherent supercontinuum (SC) fiber laser with excellentnoise and polarization properties. This was achieved by pumping a highly birefringent all-normaldispersion (ANDi) photonic crystal fiber with a compact high-power ytterbium femtosecond laserat 1049 nm. This system generates an ultra-flat SC spectrum from 670 nm to 1390 nm with apower spectral density higher than 0.4 mW/nm and a polarization extinction ratio of 17 dB acrossthe entire bandwidth. An average pulse-to-pulse relative intensity noise (RIN) down to 0.54%from 700 nm to 1100 nm has been measured and found to be in good agreement with numericalsimulations. This highly-stable broadband source could find strong potential applications inbiomedical imaging and spectroscopy where improved signal to noise ratio is essential.

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Predicting the evolution of the mid-infrared supercontinuum in the near-zero dispersion region under weak triggering using LSTM neural networks

Liu

Zhao

et al. 2023

Optics Communications

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Chalcogenide Glass Polarization-Maintaining Photonic Crystal Fiber for Mid-Infrared Supercontinuum Generation

Cited by 4 publications

References 3 publications

Recent Advances in Supercontinuum Generation in Specialty Fiber

Recent Advances in Supercontinuum Generation in Specialty Fiber

An ultra-flat, low-noise and linearly polarized fiber supercontinuum source covering 670 nm-1390 nm

Predicting the evolution of the mid-infrared supercontinuum in the near-zero dispersion region under weak triggering using LSTM neural networks

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