Index-guiding microstructured optical fibers

Details Index-guiding microstructured optical fibers Index-guiding microstructured optical fibers

2005-02-22

2005-02-22

Palmer, Phan T. H. (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing nonsolid core or cladding

C385S123000, C385S124000

Reexamination Certificate

active

06859597

ABSTRACT:
An index-guiding microstructured optical fiber, having a majority of the cross-section of the core and cladding regions occupied by voids. The voids are dimensioned such that an effective index of refraction of the cladding region is less than an effective index of the core region, the optical fiber propagating light by an index-guiding effect. The attenuation and dispersion characteristics of the microstructured optical fiber, when expressed in dB/km and ps/(nm-km), respectively, each decrease in approximate proportion to the percentage of cross-sectional area occupied by the voids. An appropriate void-to-cross-sectional area ratio may be selected so as to provide an optical communications link that provides substantially increased data throughput using today's installed base of conduit and communications relay stations. The system hardware requirements are substantially decreased in terms of regenerator spacing, optical amplifier spacing, dispersion-compensating fiber lengths, optical filtering device precisions, and/or optical source device precisions, thereby decreasing the costs of system construction and maintenance and improving system reliability.

REFERENCES:
patent: 5155792 (1992-10-01), Vali et al.
patent: 5361319 (1994-11-01), Antos et al.
patent: 5684909 (1997-11-01), Liu
patent: 5748824 (1998-05-01), Smith
patent: 5802236 (1998-09-01), DiGiovanni et al.
patent: 5809196 (1998-09-01), Meli et al.
patent: 5878182 (1999-03-01), Peckham
patent: 5907652 (1999-05-01), DiGiovanni et al.
patent: 5910852 (1999-06-01), Fontana et al.
patent: 5999679 (1999-12-01), Antos et al.
patent: 6026209 (2000-02-01), Rhee et al.
patent: 6134367 (2000-10-01), Jones et al.
patent: 6511891 (2003-01-01), Wang et al.
patent: 6671442 (2003-12-01), Wang et al.
patent: WO9964903 (1999-12-01), None
Elrefaie, A., Wagner, R., Atlas, D. and Daut, D., “Chromatic Dispersion Limitations in Coherent Lightwave Transmission Systems,”Journal of Lightwave Technology, vol. 6, No. 5, pp. 704-709 (May 1988).
Dutton, Understanding Optical Communications (Prentice-Hall 1998), Contents and pp. 42-45.
Hecht,Understanding Fiber Optics, 3rd ed. (Prentice-Hall 1999), Contents and pp. 68-73.
Keiser,Optical Fiber Communications, 3rd ed. (McGraw-Hill 2000), Contents and pp. 70-75.
Jopson, B., “Chromatic Dispersion Compensation and Measurement,” Optical Fiber Communication Conference 2000 Proceeding, Baltimore, Maryland, TuC, (2000), pp. 1-28.
Russell, Knight, Birks, Mangan, and Wadsworth, Recent Progress in Photonic Crystal Fibres, ThG1-1—ThG-3,980100, Optical Fiber Communication Conference, 2000, Technical Digest Series, Conference Edition, Baltimore, Maryland, Mar. 7-10, 2000 (Optical Society of America).
Monro, Bennett, Broderick, and Richardson, “New Possibilities with Holey Fibers,” ThG4-1—ThG4-3, 106-108 Optical Fiber Communication Conference, 2000, Technical Digest Series, Conference Edition, Baltimore, Maryland, Mar. 7-10, 2000 (Optical Society of America).
Windeler and Ranka, “Novel Properties of Air-Silica Microstructure Optical Fibers,” ThG3-1—ThG3-2, 104-105 Optical Fiber Communication Conference, 2000, Technical Digest Series, Conference Edition, Baltimore, Maryland, Mar. 7-10, 2000 (Optical Society of America).
Broeng, Barkou, and Bjarkley, “Polarization Properties of Photonic Bandgap Fibers,” ThG2-1—ThG2-3, 101-103 Optical Fiber Communication Conference, 2000, Technical Digest Series, Conference Edition, Baltimore, Maryland, Mar. 7-10, 2000 (Optical Society of America).
http://www.blazephotonics.com/pages/techn.htm—dated Mar. 30, 2001.
http://www.blazephotonics.com/pages/press.htm—dated Mar. 30, 2001.
U.S. Appl. No. 09/781,352, filed Feb. 12, 2001.
U.S. Appl. No. 09/781,343, filed Feb. 12, 2001.
U.S. Appl. No. 09/781,341, filed Feb. 12, 2001.

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