Generating tunable optical pulses over the ultrabroad range of 16–25 μm in GeO_2-doped silica fibers with an Er:fiber laser source

Anashkina, Elena A.; Андрианов, А. В.; Koptev, M. Yu.; Mashinsky, Valery M.; Muravyev, S. V.; Kim, A. V.

doi:10.1364/oe.20.027102

Cited by 44 publications

(26 citation statements)

References 23 publications

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“…The ZDW of the GeO 2 fibre was estimated at 1808 nm and its group velocity dispersion (GVD) at the pump wavelength (1.95 µm) was -5.41 ps 2 km −1 . This matches the results from a recent report using a similar fibre [Ana12]. Thus, the GeO 2 fibre was pumped in the region of low anomalous GVD and the continuum dynamics were initiated by modulation instability, given the pump format.…”

Section: Supercontinuum Generationsupporting

confidence: 89%

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New materials, regimes and applications of fibre laser techonology

Zhang,

Ferrari,

Obraztsova

et al. 2014

International Photonics and OptoElectronics Meetings

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Nonlinear optics enables the manipulation of spectral and temporal characteristics of optical pulses interacting with a dielectric medium. Optical fibres, as a uniquely practical medium, provide an environment for effectively exploiting the nonlinear effects. This has facilitated the rapid growing interest in this field focused on the investigation of fibrebased sources incorporated with various novel saturable absorber devices for ultrashort pulse generation.This thesis reports a series of experiments exploring the ongoing research in the field of nonlinear optics, including the development of ultrafast mode-locked fibre sources and their applications in supercontinumm generation and third order parametric interactions in new carbon materials.Firstly, the integration of carbon-based materials with rare-earth doped media allows the demonstration of ultrafast mode-locked laser sources operating at wavelengths across the near-infrared region in a compact, low cost and environmentally robust scheme.Power scaling of such sources can be achieved by operating in the all-normal dispersion regime making use of a glass-substrate saturable absorber device that exhibits a higher damage threshold.Supercontinuum generation has been used as an effective method for spectral broadening. Pumping with a conceptually simple and reliable fibre-based system, a continuum covering from 2 to 3 µm is generated in a highly nonlinear GeO 2 fibre. This experiment demonstrates a robust and long-term stable source of radiation in an important band, coincident with a portion of the atmospheric transmission window.Finally, the demonstration of a simple and compact nano-material based dual-wavelength system shows the performance of such devices as a simultaneous saturable absorber and passive synchroniser. An experimental study of coherent frequency mixing at large frequency shifts in a graphene sample, pumped by a two-colour fibre-integrated source, proves the strong nonlinear response of this new carbon material. Woodward who not only provided company inside and outside of the lab, but were also happy to discuss and help all matters of my work and life in UK. In particular, I would like to thank Ed for providing me with much needed support, interesting discussions (especially on food and culture) and continued collaboration since I joined the group. Tim, for making couplers for the Tm-system. Thanks to Tim, Robbie (shared the same office over the past three years!), Ed, and Rob for endless support, spending hours and hours proof reading chapters of this thesis and cheering me up all the time. Thanks to the visitor from A*STAR (Singapore), Dr. Dora Hu (more like a sister), for proof reading and encouraging me to relax during the thesis writing.

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Section: Supercontinuum Generationsupporting

confidence: 89%

“…Some recent progress of Raman-soliton continuum has been made using highly-doped GeO 2 silica-clad fibre pumped with an Er-source [Ana12,Kam12]. The bandwidth of the continuum exceeded 1000 nm, with the long-wavelength limit at 2.5 µm.…”

Section: Overview Of 2-5 µM Supercontinuum Generationmentioning

confidence: 99%

New materials, regimes and applications of fibre laser techonology

Zhang,

Ferrari,

Obraztsova

et al. 2014

International Photonics and OptoElectronics Meetings

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“…A significant asymmetry could be observed in the spectrum, as most of the power resided in 1500 nm to 2600 nm wavelength region. In 2012, Anashkina et al demonstrated a femtosecond SC generation in the 1.0-2.6 μm wavelength range [16]. Optical solitons with duration of 80-160 fs were measured in the 2-2.3 μm wavelength range.…”

Section: Introductionmentioning

confidence: 99%

Record power, ultra-broadband supercontinuum source based on highly GeO_2 doped silica fiber

Jain¹,

Sidharthan²,

Moselund³

et al. 2016

Opt. Express

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Abstract:We demonstrate highly germania doped fibers for mid-infrared supercontinuum generation. Experiments ensure a highest output power of 1.44 W for a broadest spectrum from 700 nm to 3200 nm and 6.4 W for 800 nm to 2700 nm from these fibers, while being pumped by a broadband Erbium-Ytterbium doped fiber based master oscillator power amplifier. The effect of repetition frequency of pump source and length of germania-doped fiber has also been investigated. Further, germania doped fiber has been pumped by conventional supercontinuum source based on silica photonic crystal fiber supercontinuum source. At low power, a considerable broadening of 200-300 nm was observed. Further broadening of spectrum was limited due to limited power of pump source. Our investigations reveal the unexploited potential of germania doped fiber for mid-infrared supercontinuum generation. These measurements ensure the potential of germania based photonic crystal fiber or a step-index fiber supercontinuum source for high power ultra-broad band emission being by pumped a 1060 nm or a 1550 nm laser source. To the best of our knowledge, this is the record power, ultra-broadband, and all-fiberized supercontinuum light source based on silica and germania fiber ever demonstrated to the date. "Generating tunable optical pulses over the ultrabroad range of 1.6-2.5 μm in GeO 2 -doped silica fibers with an Er:fiber laser source," Opt.

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“…Recently, Raman-soliton continuum generation was demonstrated in a highly-doped GeO 2 silica-clad fiber, using an Er-based pump source [24,25]. The bandwidth of the continuum exceeded 1000 nm, with the long-wavelength limit at 2.5 µm [24,25].…”

Section: Introductionmentioning

confidence: 99%

“…The bandwidth of the continuum exceeded 1000 nm, with the long-wavelength limit at 2.5 µm [24,25]. Extension of the infrared edge of the continuum can be achieved using a longer wavelength pump source [26,27].…”

Section: Introductionmentioning

confidence: 99%

Mid-infrared Raman-soliton continuum pumped by a nanotube-mode-locked sub-picosecond Tm-doped MOPFA

Zhang¹,

Kelleher²,

Runcorn³

et al. 2013

Opt. Express

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OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an author-deposited version published in : http://oatao.univ-toulouse.fr/ Eprints ID : 13602 Abstract:We demonstrate a mid-infrared Raman-soliton continuum extending from 1.9 to 3 µm in a highly germanium-doped silica-clad fiber, pumped by a nanotube mode-locked thulium-doped fiber system, delivering 12 kW sub-picosecond pulses at 1.95 µm. This simple and robust source of light covers a portion of the atmospheric transmission window. References and links

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Generating tunable optical pulses over the ultrabroad range of 16–25 μm in GeO_2-doped silica fibers with an Er:fiber laser source

Cited by 44 publications

References 23 publications

New materials, regimes and applications of fibre laser techonology

New materials, regimes and applications of fibre laser techonology

Record power, ultra-broadband supercontinuum source based on highly GeO_2 doped silica fiber

Mid-infrared Raman-soliton continuum pumped by a nanotube-mode-locked sub-picosecond Tm-doped MOPFA

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