Large-core, high-bandwidth polymer optical fiber for near infrared use

Ishigure, Takaaki; Nihei, Eisuke; Koike, Yasuhiro; Forbes, Charles E.; LaNieve, L.; Straff, Ritchie S.; Deckers, H.A.

doi:10.1109/68.376816

Cited by 19 publications

(13 citation statements)

References 6 publications

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“…This low attenuation at near infrared region of PHFIP 2-FA-base GI POF enables the use of inexpensive laser diode (LD) for compact disc as the light source in PHFIP 2-FA-base POF link. Therefore, the fluorinated polymer base GI POF is advantageous because of the low attenuation at near infra-red region and of the low material dispersion (6).…”

Section: Resultsmentioning

confidence: 99%

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Optimization of Modal and Material Dispersions in High-Bandwidth Graded-Index Polymer Optical Fibers

Nihei

Ishigure

Koike

1997

ACS Symposium Series

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The optimum refractive-index distribution of the high bandwidth graded-index polymer optical fiber (GI POF) was clarified by consideration of both modal and material dispersions. The ultimate bandwidth achieved by the POF is investigated by a quantitative estimation of the material dispersion as well as the modal dispersion. The results indicated that even if the refractive-index distribution is tightly controlled, the bandwidth of the poly (methyl methacrylate) (PMMA)-base GI POF was dominated by the material dispersion when the required bit rate becomes larger than 4 Gb/s for 100-m transmission. It was also confirmed that the material dispersion strongly depends on the matrix polymer and that the fluorinated polymer whose material dispersion (-0.078 ns/nm•km) is lower than that of poly methyl methacrylate (-0.305 ns/nm•km) allows for a 10 Gb/s transmission rate in 100 m link.Recent developments in optical fiber technology brings new life to the prospect of optical telecommunications and has triggered broad efforts to develop the science and technology essential to realize new communication concepts such as information super highway.Single mode glass fiber is widely used in the trunk area of the telecommunication system and the optical fiber system is expected to extend to the subscriber area and the network in building, offices, and homes. However, use of the single mode glass fiber system in short distance network is not necessarily suitable because it requires the precise handling and connection due to the small core size (5-10 μιη) and thus it would be expensive in broadband residential area network, ATM-LAN, interconnection, etc. In contrast, polymer optical fiber (POF) which has more than 500 pm of core is promising candidate to solve such problems. 58

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Section: Resultsmentioning

confidence: 99%

“…The PMMA samples were prepared by bulk polymerization of their monomers. We also succeeded in preparing low loss fluorinated polymer-base GI POF (6).…”

Section: Methodsmentioning

confidence: 96%

Optimization of Modal and Material Dispersions in High-Bandwidth Graded-Index Polymer Optical Fibers

Nihei

Ishigure

Koike

1997

ACS Symposium Series

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“…One is decrease in the material dispersion as shown in tion of the PMMA based and PHFIP 2-FA based GI POFs is shown in Figure 3. 9 The large absorption peak around 730-nm wavelength in the PMMA based GI POF was induced by the 5th harmonic generation of the carbon-hydrogen stretching vibration. However, in the case of the fluorinated polymer based GI POF, this peak decreases and the optical window shifts to around 780-nm wavelength.…”

Section: Materials Dispersionmentioning

confidence: 99%

Optimization of the Refractive-Index Distribution of High-Bandwidth GI Polymer Optical Fiber Based on Both Modal and Material Dispersions

Ishigure

Nihei

Koike

1996

Polym J

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ABSTRACT:The optimum refractive-index distribution of the high bandwidth graded-index polymer optical fiber (GI POF) in which material dispersion is taken into account was clarified for the first time. Since modal dispersion remarkably decreases by GI POF, this paper focuses on the ultimate bandwidth achieved by POF, quantitatively estimating the material dispersion as well as modal dispersion. The results indicated that the bandwidth of the poly(methyl methacrylate) (PMMA) based GI POF was dominated by material dispersion when the required data rate becomes larger than a few Gb s-1 • It was also confirmed that material dispersion strongly depends on the matrix polymer and that use of fluorinated polymer whose material dispersion (-0.078 nsnm-1 km-1 ) is lower than that ofPMMA (-0.305nsnm-1 km-1 ) allows for a lOGbs-1 signal transmission.KEY WORDS Polymer Optical Fiber I Graded-Index

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“…The attenuation of pure PMMA places a practical limit on maximum link distances. Now, however, fibers are being constructed from perfluorinated and/or perdcuterated PMMA which have attenuations ranging from 60 to 135 dB/km throughout the visible and extending to the 780 -850 nm window (which was not accessible to pure PMMA) [3,4]. These materials promise to extend the link distances and range of applications for POF due to greater availability of higher speed, low cost sources like the 785 nm lasers employed in mass produced CD players [ 111.…”

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confidence: 99%

“…Both the core and cladding are co-extruded from PMMA having different molecular weights to provide the refractive index step which confmes light in the fiber. This material has an absorption of around 150 dB/km at 650 nm, and is nearly opaque for wavelengths longer than 700 nm [3]. The attenuation of pure PMMA places a practical limit on maximum link distances.…”

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Comparison of low-cost fiber optic technologies for data transmission

Ritter

Trewhella²,

Kuchta³

et al.

1997 Proceedings 47th Electronic Components and Technology Conference

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This paper rese en^^^ B com technologies for low-cost f~b e r -~~p~~c data ~r a n s m~s s~~n links. Previous authors have recognized the need for IOW-cost links. By contrast, there has been little writt.cn aaf ttac trade-of'fB in link cost/performance among t.he extant ~o~~, -e~~~~~i v e fiber-optic technologies. A key cost reducing step can be made by employing large-core fiber (LCF) to allow less-precise alignment tolerances in the optical s u b a s~e~~~~~e~ (OSA) and connectors [ 11. The fiber-optics industry has in cog^,^^^^ this and has respondcd by making includng glass and plastic step-index (SI) and graded index (GI) fibers in a range of diameters and numerical apertures. We will show, h~~e~e r~ that the fiber choice and coupling optics design are c o n s~r a~n c~~ both by transmitter and receiver coupling efficiency and link bandwidth. The particular type o f ranine the appropriate optical source wavereatly impact link cost, bandwidth, and optical budget. Along with reducing the OSA cost, LCF also lion in c~) n n e c~o r i~~t i o n cost and oK&rs a link e to m~d e~s c~e c~~u~ loss noise. This study is summarized by a comparison of component costs, link bud~r f o~,~a n c e limits of both standard and low-cost riad of ECF available to the link designer fiber-optic ~e c~~n~~o~~~e s .

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Large-core, high-bandwidth polymer optical fiber for near infrared use

Cited by 19 publications

References 6 publications

Optimization of Modal and Material Dispersions in High-Bandwidth Graded-Index Polymer Optical Fibers

Optimization of Modal and Material Dispersions in High-Bandwidth Graded-Index Polymer Optical Fibers

Optimization of the Refractive-Index Distribution of High-Bandwidth GI Polymer Optical Fiber Based on Both Modal and Material Dispersions

Comparison of low-cost fiber optic technologies for data transmission

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