Soft glass photonic crystal fibres and their applications

Ryszard Buczyński; Mariusz Klimczak; Dariusz Pysz; Grzegorz Stępniewski; Bartłomiej Siwicki; Jarosław Cimek; Ireneusz Kujawa; Bernard Piechal; Ryszard Stępień

doi:10.1117/12.2185164

7 May 2015 Soft glass photonic crystal fibres and their applications

Ryszard Buczyński, Mariusz Klimczak, Dariusz Pysz, Grzegorz Stępniewski, Bartłomiej Siwicki, Jarosław Cimek, Ireneusz Kujawa, Bernard Piechal, Ryszard Stępień

Author Affiliations +

Proceedings Volume 9507, Micro-structured and Specialty Optical Fibres IV; 95070G (2015) https://doi.org/10.1117/12.2185164
Event: SPIE Optics + Optoelectronics, 2015, Prague, Czech Republic

Abstract

Most of the research work related to photonic crystal fibres has to date been focused on silica based fibres. Only in the recent years has there been a fraction of research devoted to fibres based on soft glasses, since some of them offer interesting properties as significantly higher nonlinearity than silica glass and wide transparency in the infrared range. On the other hand, attenuation in those glasses is usually one or more orders of magnitude higher that in silica glass, which limits their application area due to limited length of the fibres, which can be practically used. We report on the development of single-mode photonic crystal fibres made of highly nonlinear lead-bismuth-gallate glass with a zero dispersion wavelength at 1460 nm and flat anomalous dispersion. A two-octave spanning supercontinuum in the range 700–3000 nm was generated in 2 cm of the fibre. In contrast to the silica glass, various oxide based soft glasses with large refractive index difference can jointly undergo multiple thermal processing steps without degradation. The use of two soft glasses gives additional degrees of freedom in the design of photonic crystal fibres. As a result, highly nonlinear fibres with unique dispersion characteristics can be obtained. Soft glass allow also development of fibres with complex subwavelength refractive index distribution inside core of the fibre. A highly birefringent fibre with anisotropic core composed of subwavelength glass layers ordered in a rectangular structure was developed and is demonstrated

Citation Download Citation

Ryszard Buczyński, Mariusz Klimczak, Dariusz Pysz, Grzegorz Stępniewski, Bartłomiej Siwicki, Jarosław Cimek, Ireneusz Kujawa, Bernard Piechal, and Ryszard Stępień "Soft glass photonic crystal fibres and their applications", Proc. SPIE 9507, Micro-structured and Specialty Optical Fibres IV, 95070G (7 May 2015); https://doi.org/10.1117/12.2185164

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