Narrow-depressed cladding fiber design for minimization of cladding mode losses in azimuthally asymmetric fiber Bragg gratings

The cladding and radiation mode loss characteristics of photo-induced gratings written in fibers with a narrow-depressed inner cladding are compared to the properties of gratings written in matched clad, photosensitive clad, and wide-depressed cladding fibers under varying grating azimuthal asymmetr...

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Bibliographic Details
Published in:Journal of lightwave technology 1998-05, Vol.16 (5), p.902-909
Main Authors: Haggans, C.W., Singh, H., Varner, W.F., Wang, J.-S.
Format: Article
Language:English
Subjects:
Applied sciences
Bragg gratings
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fiber gratings
Integrated optics. Optical fibers and wave guides
Light scattering
Optical and optoelectronic circuits
Optical fiber communication
Optical fiber filters
Optical fiber losses
Optical fibers
Optical scattering
Refractive index
Thermal expansion
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Summary:The cladding and radiation mode loss characteristics of photo-induced gratings written in fibers with a narrow-depressed inner cladding are compared to the properties of gratings written in matched clad, photosensitive clad, and wide-depressed cladding fibers under varying grating azimuthal asymmetry conditions. Fibers with narrow-depressed claddings are found to have lower cladding mode losses for small degrees of asymmetry than previously proposed fiber designs for cladding-mode reduction.
ISSN:0733-8724
1558-2213
DOI:10.1109/50.669037