Coherent supercontinuum bandwidth limitations under femtosecond pumping at 2 µm in all-solid soft glass photonic crystal fibers

Klimczak, Mariusz; Siwicki, Bartłomiej; Zhou, Binbin; Bache, Morten; Pysz, Dariusz; Bang, Ole; Buczyński, Ryszard

doi:10.1364/oe.24.029406

Cited by 29 publications

(30 citation statements)

References 24 publications

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“…19. Supercontinuum spectra obtained under pumping from a robust erbium fiber-based femtosecond laser from three different soft glass photonic crystal fibers: NL21 series all-solid glass PCF made of boron silicate and lead silicate glasses [27], NL38 series all-solid glass PCF made of Schott silicate glasses F2 and SF6 [39], NL47B1the most efficient air-hole lattice, tellurite glass ANDi PCF reported in this work.…”

Section: Discussion Of Experimental Results With Physical Fibersmentioning

confidence: 72%

“…As said, the laser delivered 90 fs long Gaussian pulses, which is very favorable for pulse preserving, ANDi supercontinuum generation, albeit its peak power is limited at a level of about 40 kW. This is significantly below 100-200 kW range readily available from 50-60 fs pulsed optical parametric oscillator (OPO) systems very often used in ANDi supercontinuum generation experiments, and specifically used in our previous experiments with other soft glass ANDi PCFs [27,39]. Fig.…”

Section: Discussion Of Experimental Results With Physical Fibersmentioning

confidence: 93%

“…The demonstrated tellurite glass ANDi PCFs also extend the current state-of-the-art in fibers designed for pulse-preserving, femtosecond supercontinuum generation, under pumping with lasers operating at standard wavelengths. Up to date, this line-up included fibers made of silica and germanium-doped silica fibers [28,29] and highly nonlinear silicate fibers [39], as well as ANDi chalcogenide glass fibers and waveguides, enabling at least an octave of normal dispersion supercontinuum under femtosecond pumping around 2070 nm [41] or at around 2700-2800 nm [42][43][44][45]. Fig.…”

Section: Discussion Of Experimental Results With Physical Fibersmentioning

confidence: 99%

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Coherent supercontinuum generation in tellurite glass regular lattice photonic crystal fibers

et al. 2019

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We report on designing, fabrication and experimental characterization of highly nonlinear, tellurite glass photonic crystal fibers with engineered normal dispersion characteristics for coherent supercontinuum generation. Effectively single mode, air-hole lattice fibers, with measured, all-normal dispersion profiles as flat as -10 to -50 ps/mn/km over 1500-2400 nm wavelengths are developed and investigated. Supercontinuum spectra are measured for these fibers, with a spectral width covering 1100-2600 nm wavelengths under pumping with a robust, fixed-wavelength erbium fiber-based femtosecond laser, delivering 90 fs pulses, centered at 1560 nm with peak power below 40 kW. To the best of our knowledge, this is the first engineered microstructured fiber, which due to its high nonlinearity, enables a self-phase modulation and optical wave breaking-based supercontinuum pumped with a turnkey, 40 kW femtosecond laser at spectral widths obtainable with previous all-normal dispersion fiber designs only under pumping with systems delivering peak power in the MW range.

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Section: Discussion Of Experimental Results With Physical Fibersmentioning

confidence: 72%

Section: Discussion Of Experimental Results With Physical Fibersmentioning

confidence: 93%

Section: Discussion Of Experimental Results With Physical Fibersmentioning

confidence: 99%

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Coherent supercontinuum generation in tellurite glass regular lattice photonic crystal fibers

et al. 2019

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“…Comparison of relevant parameters of selected fibers is given in table 4. This work ("bow-tie"), [13] The values of estimated nonlinear coefficient in table 4, apart from fiber 1 (value explicitly given in [23]), were calculated using the formula:…”

Section: Discussionmentioning

confidence: 99%

Development of highly nonlinear polarization-maintaining fibers with normal dispersion across entire transmission window

Dobrakowski

Rampur

Stępniewski

et al. 2018

J. Opt.

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Determined polarization state of light is required in nonlinear optics applications related to ultrashort and single-cycle light pulse generation. Such short time scales require up to full octave of spectral width of light. Fiber-based, pulse-preserving and linearly polarized supercontinuum can meet these requirements. We report on the development -from linear simulations of the fiber structure, through fabrication of physical fibers to their versatile characterization -of polarization maintaining, highly nonlinear photonic crystal fibers, intended for femtosecond pumping at a wavelength of 1560 nm. Full octave of linearly polarized light around this wavelength would enable to cover amplification bandwidths of the three major fiber amplifiers from ytterbium doped systems up to thulium and holmium doped fiber amplifiers, with a coherent, linearly polarized seed signal. At the same time, an all-normal chromatic dispersion profile over an entire transmission window, and small dispersion of nonlinearity in the developed fibers, would facilitate use of commercially available femtosecond fiber lasers as pump sources for the developed fibers.

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“…To overcome problems related to air-glass structure of photonic crystal fibers an all-glass photonic crystal fibers were introduced (Feng et al 2003;Liu et al 2016;Klimczak et al 2016). The combined necessities of thermally matching the constituent glasses and assuring reasonable degree of chromatic dispersion engineering flexibility practically ruled out use of the industry-accepted silica glass in these works.…”

Section: Introductionmentioning

confidence: 99%

Supercontinuum generation in nanostructured core gradient index fibers

Forestier

Karpate

Huss³

et al. 2020

Appl Nanosci

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We report on near-infrared supercontinuum generation in a submeter-long single-mode, nanostructured core fiber. The fiber core is composed of few thousand pure silica and germanium-doped silica glass nanorods with diameter of 200 nm each. The nanorods' distribution is calculated based on the Maxwell-Garnett effective medium approach to mimic effective parabolic refractive index distribution in the fiber core. The standard stack-and-draw method was used to scale down the fiber structure and obtain subwavelength nanorods in the core. Size and distribution of individual nanorods are essential to determine modal and dispersion properties of the fiber without assistance of air holes in the fiber cladding. We study supercontinuum generation performance in this nanostructured core fiber pumping with low-cost microchip laser operating at 1550 nm with 1 ns pulse length and pulse energy of 0.4 µJ. A modulation instability-driven supercontinuum is generated in the fiber, covering a wavelength span of 1400-2300 nm. Due to possibility of dispersion engineering and all-solid structure the nanostructured fibers offer new possibilities for development of low-cost all-fiber supercontinuum light sources for the near-infrared range and cascaded ultrabroadband supercontinuum all-fiber systems.

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Coherent supercontinuum bandwidth limitations under femtosecond pumping at 2 µm in all-solid soft glass photonic crystal fibers

Cited by 29 publications

References 24 publications

Coherent supercontinuum generation in tellurite glass regular lattice photonic crystal fibers

Coherent supercontinuum generation in tellurite glass regular lattice photonic crystal fibers

Development of highly nonlinear polarization-maintaining fibers with normal dispersion across entire transmission window

Supercontinuum generation in nanostructured core gradient index fibers

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