Diffractive photonic crystal fiber

Renat R. Letfullin; Henk F. Arnoldus; John T. Foley

doi:10.1117/12.472793

9 July 2003 Diffractive photonic crystal fiber

Renat R. Letfullin, Henk F. Arnoldus, John T. Foley

Proceedings Volume 5000, Photonic Crystal Materials and Devices; (2003) https://doi.org/10.1117/12.472793
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

Abstract

In the present report we propose an innovative concept for effective diffractive wave guiding of optical (infrared, visible and X-rays) beams based on the effect of diffractive multifocal focusing of radiation (DMFR). The optical DMFR effect, predicted earlier by theory, on a bicomponent diffraction system, has recently been confirmed experimentally. The bicomponent diffraction system consists of two plane screens with circular apertures, which are located in the first open Fresnel zone of each other along optical axes. It was shown that the diffraction picture in the focal planes of such a system represents a bright narrow peak at the center for open odd Fresnel zones, whose intensity can exceed by six times the value of the intensity of the incident spherical wave. We propose to utilize the DMRF effect for multi-component system of pinholes, positioned along the optical axis, and design a new diffractive photonic-crystal-like fiber (wave-guide), in which space localization of an electromagnetic field is rigidly fixed for given values of the wavelength and the pinhole diameter. Thus, such a diffractive photonic crystal has an internal periodic macrostructure, but it differs from a traditional photonic crystal in that the forbidden zones are formed in a natural way as a result of the diffraction off the pinhole system.

Citation Download Citation

Renat R. Letfullin, Henk F. Arnoldus, and John T. Foley "Diffractive photonic crystal fiber", Proc. SPIE 5000, Photonic Crystal Materials and Devices, (9 July 2003); https://doi.org/10.1117/12.472793

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