Journal ArticleDOI
Mid-IR fiber optic light source around 6 µm through parametric wavelength translation
Ajanta Barh,Somnath Ghosh,Ravi K. Varshney,Bishnu P. Pal,J Sanghera,Leslie Brandon Shaw,Ishwar D. Aggarwal +6 more
TLDR
A numerically designed all-glass chalcogenide microstructured optical fiber (MOF) for the efficient generation of light around 6m through degenerate four-wave mixing by considering a continuous wave CO laser of 5?10?W power emitting at 5.6??m as the pump is reported in this article.Abstract:
We report a numerically designed highly nonlinear all-glass chalcogenide microstructured optical fiber (MOF) for the efficient generation of light around 6??m through degenerate four-wave mixing by considering a continuous wave CO laser of 5?10?W power emitting at 5.6??m as the pump. By tuning the pump wavelength, pump power, fiber dispersion and nonlinear properties, a narrow (N)- and/or broad (B)- band mid-IR all-fiber light source could be realized. Parametric amplification of more than 20?dB is achievable for the N-band source at 6.46??m with a maximum power conversion efficiency (Cm) ~ 33%, while a amplification ~22?????2?dB is achievable for a B-band source over the wavelength range of 5?6.3??m with a Cm?>?40%.read more
Citations
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Journal ArticleDOI
Specialty Fibers for Terahertz Generation and Transmission: A Review
TL;DR: In this article, the progress and current status of optical fiber-based techniques for terahertz (THz) generation and transmission are reviewed, and the use of optical fibers for THz application has attracted considerable attention in recent years.
Journal ArticleDOI
A new design methodology of obtaining wide band high gain broadband parametric source for infrared wavelength applications
TL;DR: In this paper, the dispersion profile of the photonic crystal fiber (PCF) has been engineered wisely by reducing the diameter of the second air-hole ring to have a favorable higher order dispersion parameter.
Posted Content
Specialty Fibers for Terahertz Generation and Transmission: A Review
TL;DR: In this article, the progress and current status of optical fiber-based techniques for terahertz (THz) generation and transmission are reviewed, and the use of optical fibers for THz application has attracted considerable attention in recent years.
Book ChapterDOI
Specialty Optical Fibers for Mid-IR Photonics
Bishnu P. Pal,Ajanta Barh,Somnath Ghosh,Ravi K. Varshney,J Sanghera,Leslie Brandon Shaw,I. D. Aggarwal +6 more
TL;DR: In this article, a chalcogenide (Ch) glass-based all-fiber application-specific microstructured optical fibers (MOFs)-based devices like allfiber efficient discrete and broad-band light sources as well as fibers for distortion free high power light guidance in the mid-IR spectral regime.
References
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Journal ArticleDOI
Computational study of 3–5 μm source created by using supercontinuum generation in As 2 S 3 chalcogenide fibers with a pump at 2 μm
TL;DR: Simulation results for supercontinuum generation using As(2)S(3) chalcogenide photonic crystal fibers show that more than 25% of input power can be shifted into the region between 3 microm and 5 microm using a pump wavelength of 2 microm.
Journal ArticleDOI
Multimaterial preform coextrusion for robust chalcogenide optical fibers and tapers
TL;DR: This work presents a novel approach to the fabrication of chalcogenide glass fiber preforms: one-step multimaterial extrusion, which allows for robust tapers with submicrometer core diameter.
Journal ArticleDOI
Near-infrared trace-gas sensors based on room-temperature diode lasers
TL;DR: In this article, a near-infrared DFB laser monitor designed for field applications using room-temperature diode lasers for CO2 measurements has been presented, at ambient concentration levels a resolution of more than two orders of magnitude has been demonstrated at 157 μm, at 2 μm the precision is in the order of 1 ppm CO2, and for trace analysis a detection limit of 10 ppb has been obtained.
Journal ArticleDOI
The promise of chalcogenides
Nadya Anscombe,Daniel W. Hewak +1 more
TL;DR: In this paper, Nadya Anscombe and Dan Hewak from the University of Southampton in the UK discuss the performance of chalcogenide glasses with respect to their mid-infrared transparency and nonlinear properties.
Journal ArticleDOI
Design of an efficient mid-IR light source using chalcogenide holey fibers: a numerical study
Ajanta Barh,Somnath Ghosh,Govind P. Agrawal,Ravi K. Varshney,Ishwar D. Aggarwal,Bishnu P. Pal +5 more
TL;DR: In this paper, a highly nonlinear Holey fiber for making a mid-infrared light source at 4.36 µm was designed and a solid-core chalcogenide-based index-guided Holey microstructured optical fiber with circular air holes was exploited to numerically demonstrate wavelength translation via four-wave mixing.