High-bandwidth graded-index polymer optical fiber enabling power penalty-free gigabit data transmission

Ishigure, Takaaki; Makino, Kotaro; Tanaka, Shuya; Koike, Yasuhiro

doi:10.1109/jlt.2003.817711

Cited by 20 publications

(9 citation statements)

References 13 publications

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“…Previous results [5] have demonstrated that PF GIPOF and 62.5/125 GOF penalties due to modal dispersion and noise are similar in gigabit Ethernet transmission at 850 nm with COTS GOF components. Moreover, because of its higher core diameter, PF GIPOF does not induce modal noise penalties as occurred in glass optical multimode fibre link [6] and the alignment is also less critical, which reduces the cost of the optical active and passive devices, including the installation and maintenance cost of the connections. Its higher flexibility based on "plastic" material offers a great advantage compared to the silica fibre, which is more brittle.…”

Section: Discussionmentioning

confidence: 99%

Radio over fibre systems using perfluorinated graded index polymer optical fibre

Lethien¹,

Goffin²,

Vilcot³

et al. 2006

Micro & Optical Tech Letters

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Activation of the coagulation system is a characteristic feature of sickle cell anemia, which also includes clinical thrombosis. The sickle transgenic mouse abnormally expresses tissue factor (TF) on the pulmonary vein endothelium. Knowing that this aberrancy is stimulated by inflammation, we sought to determine whether nitric oxide (NO) contributes to regulation of endothelial TF expression in the sickle mouse model. We used the NY1DD sickle mouse, which exhibits a low‐TF to high‐TF phenotype switch on exposure to hypoxia/reoxygenation. Manipulations of NO biology, such as breathing NO or addition of arginine or L‐NAME (N‐nitro‐L‐arginine‐methyl‐ester) to the diet, caused significant modulations of TF expression. This was also seen in hBERK1 sickle mice, which have a different genetic background and already have high‐TF even at ambient air. Study of NY1DD animals bred to overexpress endothelial nitric oxide synthase (eNOS; eNOS‐Tg) or to have an eNOS knockout state (one eNOS−/− animal and several eNOS+/− animals) demonstrated that eNOS modulates endothelial TF expression in vivo by down‐regulating it. Thus, the biodeficiency of NO characteristic of patients with sickle cell anemia may heighten risk for activation of the coagulation system. Am. J. Hematol., 2010. © 2009 Wiley‐Liss, Inc.

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Section: Discussionmentioning

confidence: 99%

Radio over fibre systems using perfluorinated graded index polymer optical fibre

Lethien¹,

Goffin²,

Vilcot³

et al. 2006

Micro & Optical Tech Letters

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“…The results show that the Lucina fiber constitutes without any doubt a promising candidate in RoF system using commercially available components manufactured for glass fibers. Moreover, because of its higher core diameter, POF does not induce modal noise penalties as in glass multimode fiber links [28] and the alignment is also less critical, thus reducing the cost of the optical active and passive devices including the installation and maintenance costs of the connections. Its higher flexibility based on -plastic‖ material offers a great advantage compared to the silica fiber which is more brittle.…”

Section: Radio Over Fiber System With Pfgi-pofmentioning

confidence: 99%

Exploit the Bandwidth Capacities of the Perfluorinated Graded Index Polymer Optical Fiber for Multi-Services Distribution

et al. 2011

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Abstract:The study reported here deals with the exploitation of perfluorinated graded index polymer optical fiber bandwidth to add further services in a home/office network. The fiber properties are exhibited in order to check if perfluorinated graded index plastic optical fiber (PFGI-POF) is suitable to support a multiplexing transmission. According to the high bandwidth length of plastic fibers, both at 850 nm and 1,300 nm, the extension of the classical baseband existing network is proposed to achieve a dual concept, allowing the indoor coverage of wireless signals transmitted using the Radio over Fiber technology. The simultaneous transmission of a 10 GbE signal and a wireless signal is done respectively at 850 nm and 1,300 nm on a single plastic fiber using wavelength division multiplexing commercially available devices. The penalties have been evaluated both in digital (Bit Error Rate measurement) and radiofrequency (Error Vector Magnitude measurement) domains.

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“…Values of g = 2 are typically cited (Ishigure et al 1996, Ishigure et al 2003 as optimal with respect to maximising bandwidth. In the move to microstructured multimode fibres, the idea of a graded index can be retained since a large array of holes can be designed to approximate a circularly symmetric parabolic profilen(r).…”

Section: 61mentioning

confidence: 99%

Evolving Microstructured Optical Fibres

Manos

Bentley

2008

Evolutionary Computation in Practice

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Optical fibres are not only one of the major components of modern optical communications systems, but are also used in other areas such as sensing, medicine and optical filtering. Silica microstructured optical fibres are a type of optical fibre where microscopic holes within the fibre result in highly tailorable optical properties, which are not possible in traditional fibres. Microstructured fibres manufactured from polymer, instead of silica, are a relatively recent development in optical fibre technology, and support a wide variety of microstructure fibre geometries, when compared to the more commonly used silica. In order to meet the automated design requirements for such complex fibres, a representation was developed which can describe radially symmetric microstructured fibres of different complexities; from simple hexagonal designs with very few holes, to large arrays of hundreds of holes. This chapter presents a genetic algorithm which uses an embryogeny representation, or a growth phase, to convert a design from its genetic encoding (genotype) to the microstructured fibre (phenotype). The work demonstrates the application of variable-complexity, evolutionary design approaches to photonic design. The inclusion of real-world constraints within the embryogeny aids in the manufacture of designs, resulting in the physical construction and experimental characterisation of both single-mode and highbandwidth multi-mode microstructured fibres, where some GA-designed fibres are currently being patented.

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High-bandwidth graded-index polymer optical fiber enabling power penalty-free gigabit data transmission

Cited by 20 publications

References 13 publications

Radio over fibre systems using perfluorinated graded index polymer optical fibre

Radio over fibre systems using perfluorinated graded index polymer optical fibre

Exploit the Bandwidth Capacities of the Perfluorinated Graded Index Polymer Optical Fiber for Multi-Services Distribution

Evolving Microstructured Optical Fibres

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