The modal cutoff of square-lattice photonic crystal fibers with a finite number of air-hole rings has been accurately investigated to our knowledge for the first time. By analyzing the leaky behavior of the second-order mode, we have obtained a phase diagram that describes the regions of single-mode and multimode operation as well as the endlessly single-mode regime. Furthermore, starting from these results, we have obtained the cut-off normalized frequency according to two different formulations of the V parameter previously adopted for fibers with a triangular lattice. A final comparison of the cutoff properties of fibers characterized by a square lattice and a triangular lattice has been carried out. © 2005 Optical Society of America.

Single-mode regime of square-lattice photonic crystal fibers / Poli, F.; Foroni, M.; Bottacini, M.; Fuochi, M.; Burani, N.; Rosa, L.; Cucinotta, A.; Selleri, S.. - In: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA. A, OPTICS, IMAGE SCIENCE, AND VISION. - ISSN 1084-7529. - 22:8(2005), pp. 1655-1661. [10.1364/JOSAA.22.001655]

Single-mode regime of square-lattice photonic crystal fibers

Rosa L.;
2005

Abstract

The modal cutoff of square-lattice photonic crystal fibers with a finite number of air-hole rings has been accurately investigated to our knowledge for the first time. By analyzing the leaky behavior of the second-order mode, we have obtained a phase diagram that describes the regions of single-mode and multimode operation as well as the endlessly single-mode regime. Furthermore, starting from these results, we have obtained the cut-off normalized frequency according to two different formulations of the V parameter previously adopted for fibers with a triangular lattice. A final comparison of the cutoff properties of fibers characterized by a square lattice and a triangular lattice has been carried out. © 2005 Optical Society of America.
2005
22
8
1655
1661
Single-mode regime of square-lattice photonic crystal fibers / Poli, F.; Foroni, M.; Bottacini, M.; Fuochi, M.; Burani, N.; Rosa, L.; Cucinotta, A.; Selleri, S.. - In: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA. A, OPTICS, IMAGE SCIENCE, AND VISION. - ISSN 1084-7529. - 22:8(2005), pp. 1655-1661. [10.1364/JOSAA.22.001655]
Poli, F.; Foroni, M.; Bottacini, M.; Fuochi, M.; Burani, N.; Rosa, L.; Cucinotta, A.; Selleri, S.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1200329
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