Highly efficient Cherenkov radiation generation in the irregular point of hollow-core photonic crystal fiber

doi:10.1088/1674-1056/21/11/114102

中国物理B ›› 2012, Vol. 21 ›› Issue (11): 114102-114102.doi: 10.1088/1674-1056/21/11/114102

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Highly efficient Cherenkov radiation generation in the irregular point of hollow-core photonic crystal fiber

申向伟^a, 苑金辉^a, 桑新柱^a, 余重秀^a, 饶兰^a, 夏民^a, 韩颖^b, 夏长明^b, 侯蓝田^b

a State Key Laboratory of Information Photonics and Optical Communications,Beijing University of Posts & Telecommunications, Beijing 100876, China;
b Institute of Infrared Optical Fibers & Sensors, Qinhuangdao 066004, China

收稿日期:2012-03-22 修回日期:2012-05-23 出版日期:2012-10-01 发布日期:2012-10-01
基金资助:
Project supported by the National Basic Research Program of China (Grant Nos. 2010CB327605 and 2010CB328300), the Fundamental Research Funds for the Central Universities, China (Grant Nos. 2011RC0309 and 2011RC008), and the Specialized Research Fund for the Doctoral Program of Beijing University of Posts and Telecommunications, China (Grant No. CX201023).

Highly efficient Cherenkov radiation generation in the irregular point of hollow-core photonic crystal fiber

Shen Xiang-Wei (申向伟)^a, Yuan Jin-Hui (苑金辉)^a, Sang Xin-Zhu (桑新柱)^a, Yu Chong-Xiu (余重秀)^a, Rao Lan (饶兰)^a, Xia Min (夏民)^a, Han Ying (韩颖)^b, Xia Chang-Ming (夏长明)^b, Hou Lan-Tian (侯蓝田 )^b

a State Key Laboratory of Information Photonics and Optical Communications,Beijing University of Posts & Telecommunications, Beijing 100876, China;
b Institute of Infrared Optical Fibers & Sensors, Qinhuangdao 066004, China

Received:2012-03-22 Revised:2012-05-23 Online:2012-10-01 Published:2012-10-01
Contact: Shen Xiang-Wei E-mail:xswen_1212@163.com
Supported by:
Project supported by the National Basic Research Program of China (Grant Nos. 2010CB327605 and 2010CB328300), the Fundamental Research Funds for the Central Universities, China (Grant Nos. 2011RC0309 and 2011RC008), and the Specialized Research Fund for the Doctoral Program of Beijing University of Posts and Telecommunications, China (Grant No. CX201023).

摘要/Abstract

摘要： Highly efficient Cherenkov radiations (CRs) are generated by the soliton self-frequency shift (SSFS) in the irregular point of a hollow-core photonic crystal fiber (HC-PCF) in our laboratory. The impacts of pump power and wavelength on the CR are investigated, and the corresponding nonlinear processes are discussed. When the average power of the 120 fs pump pulse increases from 500 mW to 700 mW, the Raman soliton shifts from 2210 nm to 2360 nm, the output power of the CRs increases by 2.3 times, the maximum output power ratio of the CRs at 539 nm to that of the residual pump is calculated to be 24.32:1, the width of the output optical spectrum at the visible wavelength broadens from 35 nm to 62 nm, and the conversion efficiency η of the CR in the experiment can be above 32%.

关键词: Cherenkov radiation, hollow-core photonic crystal fiber, soliton self-frequency shift

Abstract: Highly efficient Cherenkov radiations (CRs) are generated by the soliton self-frequency shift (SSFS) in the irregular point of a hollow-core photonic crystal fiber (HC-PCF) in our laboratory. The impacts of pump power and wavelength on the CR are investigated, and the corresponding nonlinear processes are discussed. When the average power of the 120 fs pump pulse increases from 500 mW to 700 mW, the Raman soliton shifts from 2210 nm to 2360 nm, the output power of the CRs increases by 2.3 times, the maximum output power ratio of the CRs at 539 nm to that of the residual pump is calculated to be 24.32:1, the width of the output optical spectrum at the visible wavelength broadens from 35 nm to 62 nm, and the conversion efficiency η of the CR in the experiment can be above 32%.

Key words: Cherenkov radiation, hollow-core photonic crystal fiber, soliton self-frequency shift

中图分类号: (Cherenkov radiation)

41.60.Bq

42.65.Tg (Optical solitons; nonlinear guided waves) 42.70.Mp (Nonlinear optical crystals) 42.70.Qs (Photonic bandgap materials)

申向伟, 苑金辉, 桑新柱, 余重秀, 饶兰, 夏民, 韩颖, 夏长明, 侯蓝田 . Highly efficient Cherenkov radiation generation in the irregular point of hollow-core photonic crystal fiber[J]. 中国物理B, 2012, 21(11): 114102-114102.

Shen Xiang-Wei (申向伟), Yuan Jin-Hui (苑金辉), Sang Xin-Zhu (桑新柱), Yu Chong-Xiu (余重秀), Rao Lan (饶兰), Xia Min (夏民), Han Ying (韩颖), Xia Chang-Ming (夏长明), Hou Lan-Tian (侯蓝田 ). Highly efficient Cherenkov radiation generation in the irregular point of hollow-core photonic crystal fiber[J]. Chin. Phys. B, 2012, 21(11): 114102-114102.

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Highly efficient Cherenkov radiation generation in the irregular point of hollow-core photonic crystal fiber

Highly efficient Cherenkov radiation generation in the irregular point of hollow-core photonic crystal fiber

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