Selectively filled large-mode-area photonic crystal fiber for high power applications

Than Singh Saini; Ajeet Kumar; Vipul Rastogi; Ravindra Kumar Sinha

doi:10.1117/12.2023472

25 September 2013 Selectively filled large-mode-area photonic crystal fiber for high power applications

Than Singh Saini, Ajeet Kumar, Vipul Rastogi, Ravindra Kumar Sinha

Proceedings Volume 8847, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII; 88471Q (2013) https://doi.org/10.1117/12.2023472
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

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.

Citation Download Citation

Than Singh Saini, Ajeet Kumar, Vipul Rastogi, and Ravindra Kumar Sinha "Selectively filled large-mode-area photonic crystal fiber for high power applications", Proc. SPIE 8847, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII, 88471Q (25 September 2013); https://doi.org/10.1117/12.2023472

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