Ultraviolet to visible continuum generation in a silica photonic crystal fiber

Lixiao Li; Jinhui Yuan; Xinzhu Sang; Binbin Yan; Kuiru Wang; Chongxiu Yu

doi:10.1117/1.OE.57.2.026113

19 February 2018 Ultraviolet to visible continuum generation in a silica photonic crystal fiber

Lixiao Li, Jinhui Yuan, Xinzhu Sang, Binbin Yan, Kuiru Wang, Chongxiu Yu

Author Affiliations +

Optical Engineering, Vol. 57, Issue 2, 026113 (February 2018). https://doi.org/10.1117/1.OE.57.2.026113

Abstract

The ultraviolet to visible continuum generations are experimentally demonstrated by coupling femtosecond pump pulses around 800 nm into the normal dispersion region close to the zero-dispersion wavelength in the fundamental mode of a silica photonic crystal fiber (PCF). The ultraviolet to visible continuum is generated through a combination of nonlinear effects including degenerate four-wave mixing, cross-phase modulation, and stimulated Raman scattering. When pump pulses with the wavelength of 800 nm and the input average power of 500 mW are used, more than 40% of the incident pump power is converted to the ultraviolet to visible spectral region. The evolution of the output spectra for different PCF lengths is studied to understand the nonlinear propagation dynamics during the process of the continuum generation. The ultraviolet to visible continuum generation will find important applications in the ultraviolet and visible-based biophotonics and spectroscopy.

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Lixiao Li, Jinhui Yuan, Xinzhu Sang, Binbin Yan, Kuiru Wang, and Chongxiu Yu "Ultraviolet to visible continuum generation in a silica photonic crystal fiber," Optical Engineering 57(2), 026113 (19 February 2018). https://doi.org/10.1117/1.OE.57.2.026113

Received: 8 September 2017; Accepted: 24 January 2018; Published: 19 February 2018

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