Record Low-Loss 1.3dB/km Data Transmitting Antiresonant Hollow Core Fibre

Bradley, Thomas D.; Hayes, J. R.; Chen, Y.; Jasion, Gregory T.; Sandoghchi, Seyed Reza; Slavı́k, Radan; Fokoua, Eric Numkam; Bawn, Simon; Sakr, Hesham; Davidson, Ian A.; Taranta, Austin; Thomas, J. P.; Petrovich, M. N.; Richardson, David J.; Poletti, Francesco

doi:10.1109/ecoc.2018.8535324

Cited by 57 publications

(72 citation statements)

References 14 publications

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“…Moreover, theoretical studies have identified a potential low loss (<0.15 dB/km) and a very low chromatic dispersion (CD) over almost the entire transmission window (<2 ps/(nm•km)) [20]. This potential is supported by a recent demonstration of a 0.5 km length HC-ARF with a loss of 1.3 dB/km [22], outperforming the lowest rigorously documented loss in a HC-PBGF (1.7 dB/km) [23]. Arguably the key potential advantage of HC-ARF lies in the potential for very high transmission capacities using wide wavelength range dense wavelength division multiplexing (DWDM) and high-order modulation formats due to the anticipated very high nonlinearity tolerance.…”

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confidence: 89%

Nonlinearity-Free Coherent Transmission in Hollow-Core Antiresonant Fiber

Liu

Karanov

Galdino

et al. 2019

J. Lightwave Technol.

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We demonstrate the first multi-terabit/s WDM data transmission through hollow-core antiresonant fiber (HC-ARF). 16 channels of 32-GBd dual-polarization (DP) Nyquist-shaped 256QAM signal channels were transmitted through a 270-m long fiber without observing any power penalty. In a single-channel high power transmission experiment, no nonlinearity penalty was observed for up to 1 W of received power, despite the very low chromatic dispersion of the fiber (<2 ps/nm/km). Our simulations show that such a low level of nonlinearity should enable transmission at 6.4 Tb/s over 1200 km of HC-ARF, even when the fiber attenuation is significantly greater than that of SMF-28. As signals propagate through hollow-core fibers at close to the speed of light in vacuum such a link would be of interest in latencysensitive data transmission applications.

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confidence: 89%

Nonlinearity-Free Coherent Transmission in Hollow-Core Antiresonant Fiber

Liu

Karanov

Galdino

et al. 2019

J. Lightwave Technol.

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“…1b with the experimental modefield image in Fig. 1a [2]. The transverse Poynting vectors, S x (x,y) and S y (x,y), represent the flow of power in the transverse plane, we use these vector fields to draw our streamlines.…”

Section: Visualizing the Transverse Flow Of Powermentioning

confidence: 99%

“…The lowest reported loss in a data-transmitting hollow core fiber is 1.3 dB/km, recently measured in a Nested Antiresonant Nodeless Fiber (NANF) [2]. To reduce the still considerable loss gap to SSMFs and make hollow core fiber technology even more appealing to optical communications, fiber designers need to find structural ways to reduce the NANF's leakage loss, simulations indicate this is their dominant loss mechanism [2].…”

Section: Introductionmentioning

confidence: 99%

“…a) Fabricated NANF fiber and experimental mode-field, credit: Seyed Reza Sandoghchi[2], b) Simulated NANF geometry and the longitudinal Poynting vector, Sz, of the fundamental core mode, c) Simulated NANF geometry with streamlines following the transverse Poynting vector field. Streamlines are seeded near the center of the core and spiral outwards, illustrating 1/6 th of the vector field.…”

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confidence: 99%

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Novel Antiresonant Hollow Core Fiber Design with Ultralow Leakage Loss Using Transverse Power Flow Analysis

Jasion

Richardson

Poletti

2019

Optical Fiber Communication Conference (OFC) 2019

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“…Such applications are among the important motivations for development of HCFs and data transmission was demonstrated in an air-core PBG fiber already in 2013 [13]. Dramatic improvement in bringing down of attenuation -ultimately to around 1 dB/km -prompted later demonstrations of data transmission in hollow core ARFs in the third telecommunication window, as well [14][15][16]. Mid-infrared guidance in silica fibers is disruptive for gas sensing and spectroscopy applications [5,17].…”

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confidence: 99%

Nested capillary anti-resonant silica fiber with mid-infrared transmission and low bending sensitivity at 4000 nm

et al. 2019

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We report a silica glass nested capillary anti-resonant nodeless fiber with transmission and low bending sensitivity in the mid-infrared around 4000 nm. The fiber is characterized in terms of transmission over 1700-4200 nm wavelengths, revealing a mid-infrared 3500-4200 nm transmission window, clearly observable for a 12 m long fiber. Bending loss around 4000 nm is 0.5 dB/m measured over 3 full turns with 40 mm radius, going up to 5 dB/m for full turns with 15 mm radius. Our results provide experimental evidence of hollowcore silica fibers in which nested, anti-resonant capillaries provide high bend resistance in the mid-infrared. This is obtained for a fiber with large core diameter of over 60 µm relative to around 30 µm-capillaries in the cladding, which motivates its application in gas fiber lasers or fiber-based mid-infrared spectroscopy of COx or NxO analytes.Hollow core glass fibers (HCFs) relay on guiding mechanisms, which enable significant reduction of overlap of the guided mode with solid microstructure forming the cladding. The inhibited coupling fibers (ICFs) and hollow core anti-resonant guiding fibers (ARFs) are the two examples, which received particularly strong attention. The first reported ICFs were the Kagomé fibers, developed in 2002 [1]. The principle of light guidance in ICFs was explained in 2007 [2], revealing the fundamental difference between photonic bandgap (PBG) and inhibited coupling (IC). ARFs can be considered as simplified ICF structures, consisting of only one ring of circular capillaries in the cladding. These fibers were first reported in 2011 [3] and the anti-resonant reflecting optical waveguide (ARROW) model [4] is considered the most accurate in describing guiding in these structures. Various designs of hypocycloid-core fibers have followed since, with emphasis on fibers with the core area limited by a single ring of circular, nontouching capillaries [5,6]. Low intrinsic nonlinearity and dispersion if these fibers make them particularly attractive for high energy pulse delivery [7]. The possibility to largely modify their optical properties by infiltration with liquids or gases opens interesting applications in optofluidics [8] or in temporal compression down to single optical cycles of laser pulses in the mid-infrared [9]. Low attenuation is the obvious advantage of any fiber for a practical application and loss below 10 dB/km in the visible and at important laser wavelengths in the near-infrared has been reported in HCFs [10,11]. More recently, an ARF with measured attenuation of 2 dB/km at a wavelength of 1512 nm made it possible to consider them for specific telecommunication applications [12]. Such applications are among the important motivations for development of HCFs and data transmission was demonstrated in an air-core PBG fiber already in 2013 [13]. Dramatic improvement in bringing down of attenuation -ultimately to around 1 dB/km -prompted later demonstrations of data transmission in hollow core ARFs in the third telecommunication window, as well [14][15][16]. Mi...

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Record Low-Loss 1.3dB/km Data Transmitting Antiresonant Hollow Core Fibre

Abstract: We report fabrication of a Nested Antiresonant Nodeless hollow-core Fibre (NANF) with a minimum loss of 1.3dB/km at 1450nm and a 65nm bandwidth below 1.5dB/km. The 0.5-km long fibre is effectively single moded and is shown capable of data transmission.

Cited by 57 publications

References 14 publications

Nonlinearity-Free Coherent Transmission in Hollow-Core Antiresonant Fiber

Nonlinearity-Free Coherent Transmission in Hollow-Core Antiresonant Fiber

Novel Antiresonant Hollow Core Fiber Design with Ultralow Leakage Loss Using Transverse Power Flow Analysis

Nested capillary anti-resonant silica fiber with mid-infrared transmission and low bending sensitivity at 4000 nm

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