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Title: Application specific leaky optical fibers
Authors: Rastogi, Vipul K.
Published in: Journal of Optics (India)
Abstract: We review our work on leaky optical fiber designs. These designs include large-mode-area fibers, dual-core resonant leaky fibers and dual-shape fibers. The fibers have been designed for applications in high data rate communication systems, high power optical amplifiers and lasers and gain equalization of optical amplifiers. The fiber designs are based on structured cladding. The structuring has been carried out in radial and/or angular direction to control the leakage losses of the modes of the fiber. Our large-mode-area designs work on the principle of higher-order mode discrimination, and gain equalization fiber designs utilize wavelength tunable leakage loss characteristics. We have used transfer matrix method and radial effective index method for the analysis of the fibers. Some of the designs have been fabricated to demonstrate the working principles of the structures. © 2012 Optical Society of India.
Citation: Journal of Optics (India) (2013), 42(1): 42-50
Issue Date: 2013
Keywords: Erbium doped fiber amplifier
Fiber design
Fiber laser
Gain flattening
Large-mode-area fiber
Leakage loss
Leaky fiber
Optical amplifiers
Single mode fiber
ISSN: 9728821
Author Scopus IDs: 7006364661
Author Affiliations: Rastogi, V., Department of Physics, Indian Institute of Technology Roorkee, Roorkee, India
Funding Details: Acknowledgements This work has been partially supported by UK-India education and research initiative (UKIERI) major award on “Application-specific microstructured optical fibers” and by department of science and technology (DST) sponsored research project “Development of silica based segmented cladding fiber.”
Corresponding Author: Rastogi, V.; Department of Physics, Indian Institute of Technology Roorkee, Roorkee, India; email:
Appears in Collections:Journal Publications [PH]

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