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Proceedings Paper

Selectively filled large-mode-area photonic crystal fiber for high power applications
Author(s): Than Singh Saini; Ajeet Kumar; Vipul Rastogi; Ravindra Kumar Sinha
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Paper Abstract

A large-mode-area (LMA) single-mode (SM) photonic crystal fiber (PCF) structure for applications in high power fiber lasers, amplifiers and sensors is proposed. In the proposed structure the center air hole has been removed to form the core and the six elliptical air holes of inner ring around the center core have been selectively filled with high refractive index material. Effects of design parameters on SM operation and mode area are numerically investigated by using the full vectorial finite-element method. Structure offers large-mode-area exceeding 835 μm2 at 1.064 μm wavelength. A PCF with such a large-mode-area would significantly reduce the nonlinear effects and would be useful for high power applications.

Paper Details

Date Published: 25 September 2013
PDF: 7 pages
Proc. SPIE 8847, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII, 88471Q (25 September 2013); doi: 10.1117/12.2023472
Show Author Affiliations
Than Singh Saini, Delhi Technological Univ. (India)
Ajeet Kumar, Delhi Technological Univ. (India)
Vipul Rastogi, Indian Institute of Technology Roorkee (India)
Ravindra Kumar Sinha, Delhi Technological Univ. (India)


Published in SPIE Proceedings Vol. 8847:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII
Shizhuo Yin; Ruyan Guo, Editor(s)

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