Single-Mode Photonic Crystal Fiber Design With Ultralarge Effective Area and Low Bending Loss for Ultrahigh-Speed WDM Transmission

Matsui, Takashi; Sakamoto, Taiji; Tsujikawa, Kyozo; Tomita, Shigeru; Tsubokawa, Makoto

doi:10.1109/jlt.2010.2089600

Cited by 44 publications

(9 citation statements)

References 6 publications

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“…Where c is the light in vacuum and eff is theeffective refractive index of the fundamental mode and it is expressed as n eff = /2, where is thepropagation constant and is the wavelength of the light [4]. Thus, Total dispersion can be written as…”

Section: Chromatic Dispersionmentioning

confidence: 99%

Comparative study of octagonal ring photonic crystal fiber with GeO<inf>2</inf> doped structure

Nair¹,

Sudheer

Jayaraju

2014

International Conference on Information Communication and Embedded Systems (ICICES2014)

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In the present investigation we have proposed a solid core photonic crystal fiber (PCF) withoctagonal ring structured cladding. In order to compare, two cases has been obtained with different air filling ratio and filled with high refractive index material. Different optical parameters of the photonic crystal fiber like effective area, Nonlinear Coefficient, Confinement Loss and Dispersion has been studied. The two cases have been designed to meet the requirements like large mode area(LMA), highly nonlinear fiber, low confinement loss etc. To analyse such PCF properties are reported by using the full vector finite element method (FEM) with the help of software like COMSOL MULTIPHYSICS and MATLAB. It was possible to obtain large mode area (LMA) by filling the inner most ring with high refractive index material without changing the structure. Keywords: Photonic crystal fiber (PCF), air filling ratio, effective mode area, confinement loss, nonlinear coefficient and chromatic dispersion.I.

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Section: Chromatic Dispersionmentioning

confidence: 99%

Comparative study of octagonal ring photonic crystal fiber with GeO<inf>2</inf> doped structure

Nair¹,

Sudheer

Jayaraju

2014

International Conference on Information Communication and Embedded Systems (ICICES2014)

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“…The majority of the physical impairments arise in the optical fibre itself. Although specially high-bandwidth or weakly non-linear multi-core and photonic crystal fibres have been proposed and demonstrated [13,14], standard single-mode fibre (SMF) and dispersion compensating fibres (DCF) with similar structure are still almost exclusively used in deployed optical networks. Therefore in the followings, we present impairments arising in these classical fibres.…”

Section: Physical Layer Impairmentsmentioning

confidence: 99%

“…Constraint (11) ensures that there is at most a single-directed vector on each link (u, v), either u → v or v → u or none, and constraint (12) prevents zero alarm codes. Finally, constraints (13) and (14) ensure a unique alarm code for each link failure.…”

Section: M-trail Design Problem Formulation With Length Limit On M-trmentioning

confidence: 99%

Physical impairments of monitoring trails in all optical transparent networks

et al. 2013

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In recent years, following the deployment of wavelength division multiplexing networks, fault detection and localisation has become a challenging issue in networks with high reliability. Optical layer monitoring schemes based on monitoring trails (m-trail) are considered an efficient way to localise a single fault unambiguously in all-optical networks. In spite of the extensive work on the m-trail concept, the issue has not been validated from the feasibility point of view. Previous works on the m-trail monitoring scheme have focused mainly on algorithm design for minimising the number of monitors, however, none of them have observed that length limitations should be considered as well. The authors investigate the physical constraints of launching m-trails, mainly focusing on the maximum length that each m-trail may have and describe an algorithm that solves the length constrained m-trail formulation problem. Numerous simulations were implemented in a physical layer simulator for observing qualitative parameters in different m-trail lengths. The authors propose 15 000 km as a length limit for each m-trail for out-of-band monitoring. Finally, an algorithmic solution is provided for monitoring trail design problem satisfying these physical constraints.

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“…These structures feature a dimensional variation in refractive index, which can be arranged a 1D, 2D or 3D fashion 6 . PCs are extensively used in a broad range of applications, including telecommunications 7 , 8 , quantum computing 9 , 10 , energy and water remediation 11 – 17 , medical imaging 18 , 19 , and metal coloring 20 . The unique optical and electronic properties of PCs make them ideal platforms for a plethora of applications since these structures can behave as an effective medium and display photonic stopbands (PSBs) in different regions of the spectrum to control light–matter interactions at the nanoscale with precision 21 .…”

Section: Introductionmentioning

confidence: 99%

Engineering of Hybrid Nanoporous Anodic Alumina Photonic Crystals by Heterogeneous Pulse Anodization

Lim

Law

Marsal

et al. 2018

Sci Rep

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In this study, we present an advanced nanofabrication approach, so-called ‘heterogeneous pulse anodization’ (HPA), in which galvanostatic stepwise and apodized sinusoidal pulse anodizations are combined in a single process. This novel anodization method enables the precise optical engineering of the characteristic photonic stopbands (PSBs) of nanoporous anodic alumina photonic crystals (NAA-PCs). The resulting structures are hybrid PCs (Hy-NAA-PCs) composed of distributed Bragg reflectors (DBRs) and apodized gradient-index filters (APO-GIFs) embedded within the same PC structure. The modification of various anodization parameters such as anodization period, relative and total anodization time, structural arrangement of PCs within Hy-NAA-PCs, and pore widening time allows the fine-tuning of the PSBs’ features (i.e. number, position and bandwidth of central wavelength) across the spectral regions. The effects of these fabrication parameters are systematically assessed, revealing that the positions of the characteristic transmission bands of Hy-NAA-PCs are highly controllable. Our study provides a comprehensive rationale towards the development of unique Hy-NAA-PCs with controllable optical properties, which could open new opportunities for a plethora of applications.

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Single-Mode Photonic Crystal Fiber Design With Ultralarge Effective Area and Low Bending Loss for Ultrahigh-Speed WDM Transmission

Cited by 44 publications

References 6 publications

Comparative study of octagonal ring photonic crystal fiber with GeO<inf>2</inf> doped structure

Comparative study of octagonal ring photonic crystal fiber with GeO<inf>2</inf> doped structure

Physical impairments of monitoring trails in all optical transparent networks

Engineering of Hybrid Nanoporous Anodic Alumina Photonic Crystals by Heterogeneous Pulse Anodization

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