2013
DOI: 10.1364/oe.21.023838
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Low-loss hybrid fiber with zero dispersion wavelength shifted to 1 µm

Abstract: We proposed and investigated a novel type of all-glass hybrid fiber where light is confined in the low-index core due to both total internal reflection and coherent Fresnel reflection (a photonic bandgap mechanism). The hybrid mode has an anomalous dispersion of 13 ps/(nm km) at 1064 nm and low loss (~6 dB/km), and it can be easily excited by splicing with a single-mode step-index fiber. The compression of positively chirped 8 ps pulses down to 330 fs was demonstrated with the fabricated hybrid fiber.

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Cited by 19 publications
(20 citation statements)
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“…Recently we have developed and realized a cylindrically symmetric hybrid fiber with anomalous dispersion at 1 μm (D=13 ps/(nm km)) 9 . Refractive index profile of the fiber consisted of a Ge-doped core (refractive index of the core was slightly higher that refractive index of pure silica), surrounded by a high index ring layer, a depressed layer and outer silica cladding.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Recently we have developed and realized a cylindrically symmetric hybrid fiber with anomalous dispersion at 1 μm (D=13 ps/(nm km)) 9 . Refractive index profile of the fiber consisted of a Ge-doped core (refractive index of the core was slightly higher that refractive index of pure silica), surrounded by a high index ring layer, a depressed layer and outer silica cladding.…”
Section: Introductionmentioning
confidence: 99%
“…Small value of anomalous dispersion in such fiber could be overcome by increasing the number of high index ring-layers. Thus the fiber with two high index ring layers was realized 10 . Operating mode of the fiber was LP 03 mode, and its dispersion was as high as 100 ps/(nm km).…”
Section: Introductionmentioning
confidence: 99%
“…In order to compensate the dispersion within the laser cavity, fiber with anomalous dispersion can be used as a dispersion compensating element. Several fiber designs with anomalous dispersion around 1μm have been proposed to compensate the dispersion within the laser cavity, such as Photonic Crystal Fibers (PCFs) [1], Hollow Core Photonic Bandgap Fibers (HC-PBGFs) [2], Bragg Fibers [3], and 2D-All Solid Photonic Bandgap Fibers (2D-ASPBGFs) [4]. Recently, a technique of exploiting the anomalous dispersion of Higher Order Mode (HOM) in a few moded fibers has also been demonstrated [5].…”
Section: Introductionmentioning
confidence: 99%
“…Anomalous dispersion has also been demonstrated in Bragg fibers [3]. For example, recently a Bragg fiber with mode field diameter (MFD) ~7 μm at 1.064 μm with dispersion of 13 ps/(nm.km) and low losses of the FM (0.06 dB/m) has been demonstrated.…”
Section: Introductionmentioning
confidence: 99%
“…Одним из наиболее перспективных типов волоконных световодов с аномальной дисперсией на длине волны около 1 мкм является гибридный световод. Гибридные световоды -это волоконные структуры с показателем преломления сердцевины выше уровня кварцевого стекла, окруженные одним или двумя оптически более плотными кольцевыми слоями, за которыми следует слой с пониженным относительно уровня кварца показателем преломления [1,2]. Своему происхождению такие структуры обязаны конструкции брэгговского световода [3], где достижение аномальной дисперсии моды сердцевины осуществлялось на границе с запрещенной зоной, а сама мода имела достаточно высокие потери на распространение вследствие механизма формирования и удержания моды (когерентное отражение от оптически более плотных кольцевых слоев).…”
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