Lasers, Fiber Optics, and Communications

Red-shifted solitons for coherent anti-Stokes Raman scattering microspectroscopy in a polarization-maintaining photonic crystal fiber

[+] Author Affiliations
Jinhui Yuan

Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, P.O. Box 163 (BUPT), Beijing 100876, China

Hong Kong Polytechnic University, Photonics Research Centre, Department of Electronic and Information Engineering, Hung Hom, Kowloon, Hong Kong 999077, China

Xinzhu Sang, Chongxiu Yu, Kuiru Wang, Binbin Yan

Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, P.O. Box 163 (BUPT), Beijing 100876, China

Qiang Wu

Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, P.O. Box 163 (BUPT), Beijing 100876, China

Northumbria University, Department of Physics and Electrical Engineering, Newcastle upon Tyne 999020, NE1 8ST, United Kingdom

Guiyao Zhou, Ying Han

South China Normal University, Guangdong Provincial Laboratory of Nanophotonic Functional Materials and Devices, Guangzhou 510006, China

Feng Li, Hwa Yaw Tam, Ping-kong Alexander Wai

Hong Kong Polytechnic University, Photonics Research Centre, Department of Electronic and Information Engineering, Hung Hom, Kowloon, Hong Kong 999077, China

Opt. Eng. 54(5), 056107 (May 22, 2015). doi:10.1117/1.OE.54.5.056107
History: Received March 19, 2015; Accepted April 29, 2015
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Abstract.  An alternative light source for coherent anti-Stokes Raman scattering (CARS) microspectroscopy based on red-shifted solitons in a polarization-maintaining photonic crystal fiber (PM-PCF) is experimentally demonstrated. By coupling femtosecond pulses into the anomalous dispersion region of the fundamental mode of a PM-PCF along the slow and fast axes, the red-shifted solitons generated can be used as the Stokes beams when the pump pulses are chosen as the pump beams. Through the process of red-shift, the frequency differences of the pump-Stokes beams are tunable in the ranges of 0 to 4068cm1 and 0 to 4594cm1, respectively. Moreover, because of the well maintained polarization states of the pump and Stokes beams and the high output powers of the solitons, CARS microspectroscopy using the proposed source will have a high signal-to-noise ratio and short data acquisition time. CARS microspectroscopy based on the proposed all-fiber light source can be used for studying a wide range of vibrational Raman spectra.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Jinhui Yuan ; Xinzhu Sang ; Qiang Wu ; Guiyao Zhou ; Feng Li, et al.
"Red-shifted solitons for coherent anti-Stokes Raman scattering microspectroscopy in a polarization-maintaining photonic crystal fiber", Opt. Eng. 54(5), 056107 (May 22, 2015). ; http://dx.doi.org/10.1117/1.OE.54.5.056107


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