Supercontinuum generation in a photonic crystal fibre using picosecond pulses at 1550 nm

Andersen, Peter E.; Peucheret, Christophe; Hilligsøe, Karen Marie; Berg, K.S.; Hansen, Kristoffer Lindskov; Jeppesen, P.

doi:10.1109/icton.2003.1264581

Cited by 7 publications

(3 citation statements)

References 9 publications

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“…Supercontinuum spectra can be generated by pumping ultra-short pulses in fibers whose wavelength lies in dispersion regime close to zero dispersion wavelengths. Supercontinuum in PCFs have been studied with single zero dispersion wavelength [25]. Also, enhance supercontinuum bandwidth with much flatness has also been obtained with two zero dispersion wavelengths [26][27][28][29].…”

Section: Introductionmentioning

confidence: 99%

Flattened zero dispersion Photonic crystal fibers with embedded nano holes and ultra low confinement loss for supercontinuum generation

Fiaboe¹,

Kumar²,

Roy³

2019

AEM

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In this paper unique photonic crystal fiber (PCF) structure with nanoholes embedded have been studied. Embedded nanoholes have been filled with different materials of alcoholic groups like butanol, ethanol, methanol and propanol. Investigations of these structure shows flattened zero dispersion in visible range to far infrared regions. Simulated PCF structure reports ultra-low confinement loss of the order of 10-8 dB/km. Designed PCF promises to give large nonlinear coefficient of 3000 W-1Km-1 at 1335nm wavelengths. Numerical simulation of the fiber for the generation of supercontinuum generation (SCG) has been performed. Low power pump pulses of 50fs duration have been used. With a fiber of length of 15cm and pulses of 1kW, 2kW, 5kW and 10kW peak power, supercontinuum broadening of about 607nm, 908nm, 1987nm and 2405nm respectively.

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Section: Introductionmentioning

confidence: 99%

Flattened zero dispersion Photonic crystal fibers with embedded nano holes and ultra low confinement loss for supercontinuum generation

Fiaboe¹,

Kumar²,

Roy³

2019

AEM

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“…Originally described by Orofino and Unterleitner in 1976 [18], this technique required several improvements in the field of photodiodes and electronic signal processing as well as the development of pulsed broadband laser light sources using photonic crystal fibers [19][20][21][22][23] prior to its successful experimental implementation. Since it is based on light sources with high repetition rates of up to several 10 MHz, it is a promising and versatile high-speed combustion diagnostic system.…”

Section: Introductionmentioning

confidence: 99%

Broadband fitting approach for the application of supercontinuum broadband laser absorption spectroscopy to combustion environments

Blume

Ebert

Dreizler

et al. 2015

Meas. Sci. Technol.

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In this work, a novel broadband fitting approach for quantitative in-flame measurements using supercontinuum broadband laser absorption spectroscopy (SCLAS) is presented. The application and verification of this approach in an atmospheric, laminar, non-premixed CH4/air flame (Wolfhard–Parker burner, WHP) is discussed. The developed fitting scheme allows for an automatic recognition and fitting of a B-spline curve reference intensity for SCLAS broadband measurements while automatically removing the influence of absorption peaks. This approach improves the fitting residual locally (in between absorption lines) and globally by 23% and 13% respectively, while improving the in-flame SNR by a factor of 2. Additionally, the approach inherently improves the time–wavelength-correlation based on recorded in-flame measurements itself in combination with a theoretical spectrum of the analyte. These improvements have allowed for the recording of complete spatially resolved methane concentration profiles in the WHP burner. Comparison of the measured absolute mole fraction profile for methane with previously measured reference data shows excellent agreement in position, shape and absolute values. These improvements are a prerequisite for the application of SCLAS in high-pressure combustion systems.

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“…Picosecond pulse pumping gives more narrow spectra but since the laser source is cheaper in this case it attracts practical implementation. Andersen et al obtained from 2.5 ps pump impulse a wavelength spectra from 1500 to 1620 nm [50]. Generation of supercontinuum in this region can find application in wave division multiplexing systems as the realization of multi-wavelength short pulse sources or wavelength converters for multicasting.…”

Section: Nonlinear Fibers and Supercontinuum Generationmentioning

confidence: 99%

Photonic Crystal Fibers

Buczyński

2004

Acta Phys. Pol. A

139

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Photonic crystal fibers are a new class of optical fibers. Their artificial crystal-like microstructure results in a number of unusual properties. They can guide light not only through a well-known total internal reflection mechanism but using also photonic bandgap effect. In this paper different properties possible to obtain in photonic crystal fibers are reviewed. Fabrication and modeling methods are also discussed.

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Supercontinuum generation in a photonic crystal fibre using picosecond pulses at 1550 nm

Cited by 7 publications

References 9 publications

Flattened zero dispersion Photonic crystal fibers with embedded nano holes and ultra low confinement loss for supercontinuum generation

Flattened zero dispersion Photonic crystal fibers with embedded nano holes and ultra low confinement loss for supercontinuum generation

Broadband fitting approach for the application of supercontinuum broadband laser absorption spectroscopy to combustion environments

Photonic Crystal Fibers

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