Ultraflat supercontinuum generation in an As2S3-based chalcogenide core microstructured fiber

Xin Yan; Chitrarekha Chaudhari; Guanshi Qin; Meisong Liao; Takenobu Suzuki; Yasutake Ohishi

doi:10.1117/12.840575

25 February 2010 Ultraflat supercontinuum generation in an As₂S₃-based chalcogenide core microstructured fiber

Xin Yan, Chitrarekha Chaudhari, Guanshi Qin, Meisong Liao, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 7598, Optical Components and Materials VII; 75981M (2010) https://doi.org/10.1117/12.840575
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

We propose a chalcogenide (As₂S₃) core tellurite cladding microstructured fiber with flattened normal dispersion for ultraflat supercontinuum (SC) generation. To realize flattened normal dispersion, the structure parameters are optimized such as the chalcogenide core diameter, the air hole diameter and the distance between the centers of the two neighboring air holes. The ultraflat normal dispersion curve is obtained and the pulse propagation is investigated using a nonlinear Schrödinger equation. It is shown that an ultraflat SC spectrum with deviations less than 4 dB over an octave (from 1400 nm to 3000 nm) can be achieved by the illumination of a pulsed light with a pulse width of 200 fs, central wavelength of 2000 nm and peak power of 1000 W.

Citation Download Citation

Xin Yan, Chitrarekha Chaudhari, Guanshi Qin, Meisong Liao, Takenobu Suzuki, and Yasutake Ohishi "Ultraflat supercontinuum generation in an As₂S₃-based chalcogenide core microstructured fiber", Proc. SPIE 7598, Optical Components and Materials VII, 75981M (25 February 2010); https://doi.org/10.1117/12.840575

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