中国物理B ›› 2018, Vol. 27 ›› Issue (9): 94221-094221.doi: 10.1088/1674-1056/27/9/094221

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

Pressure dependent modulation instability in photonic crystal fiber filled with argon gas

He-Lin Wang(王河林), Ai-Jun Yang(杨爱军), XiaoLong Wang(王肖隆), Bin Wu(吴彬), Yi Ruan(阮乂)   

  1. 1 Center for Optics & Optoelectronics Research, Zhejiang University of Technology, Hangzhou 310023, China;
    2 College of Science, Zhejiang University of Technology, Hangzhou 310023, China
  • 收稿日期:2018-03-12 修回日期:2018-05-17 出版日期:2018-09-05 发布日期:2018-09-05
  • 通讯作者: He-Lin Wang, Ai-Jun Yang E-mail:whlin@zjut.edu.cn;yangaij2004@zjut.edu.cn
  • 基金资助:

    Project supported by the Natural Science Foundation of Zhejiang Province, China (Grant No. LY15F050010) and the National Natural Science Foundation of China (Grant Nos. 11604296, 11404286, and 61727821).

Pressure dependent modulation instability in photonic crystal fiber filled with argon gas

He-Lin Wang(王河林)1,2, Ai-Jun Yang(杨爱军)2, XiaoLong Wang(王肖隆)1, Bin Wu(吴彬)1, Yi Ruan(阮乂)1   

  1. 1 Center for Optics & Optoelectronics Research, Zhejiang University of Technology, Hangzhou 310023, China;
    2 College of Science, Zhejiang University of Technology, Hangzhou 310023, China
  • Received:2018-03-12 Revised:2018-05-17 Online:2018-09-05 Published:2018-09-05
  • Contact: He-Lin Wang, Ai-Jun Yang E-mail:whlin@zjut.edu.cn;yangaij2004@zjut.edu.cn
  • Supported by:

    Project supported by the Natural Science Foundation of Zhejiang Province, China (Grant No. LY15F050010) and the National Natural Science Foundation of China (Grant Nos. 11604296, 11404286, and 61727821).

摘要:

By using the designed photonic crystal fiber filled with argon gas, the effect of gas pressure on modulation instability (MI) gain is analyzed in detail. The MI gain bandwidth increases gradually as the argon gas pressure rises from 1P0 to 400P0 (P0 is one standard atmosphere), while its gain amplitude slightly decreases. Moreover, the increase of the incident light power also results in the increase of MI gain bandwidth in the Stokes or anti-Stokes region when the incident power increases from 1 W to 200 W. Making use of the optimal parameters including the higher argon gas pressure (400P0) and the incident light power (200 W), we finally obtain a 100 nm broadband MI gain. These results indicate that controlling the MI gain characteristic by changing the argon gas pressure in PCF is an effective way when the incident light source is not easy to satisfy the requirement of practical application. This method of controlling MI gain can be used in optical communication and laser shaping.

关键词: modulation instability, gas pressure, light power. broadband gain

Abstract:

By using the designed photonic crystal fiber filled with argon gas, the effect of gas pressure on modulation instability (MI) gain is analyzed in detail. The MI gain bandwidth increases gradually as the argon gas pressure rises from 1P0 to 400P0 (P0 is one standard atmosphere), while its gain amplitude slightly decreases. Moreover, the increase of the incident light power also results in the increase of MI gain bandwidth in the Stokes or anti-Stokes region when the incident power increases from 1 W to 200 W. Making use of the optimal parameters including the higher argon gas pressure (400P0) and the incident light power (200 W), we finally obtain a 100 nm broadband MI gain. These results indicate that controlling the MI gain characteristic by changing the argon gas pressure in PCF is an effective way when the incident light source is not easy to satisfy the requirement of practical application. This method of controlling MI gain can be used in optical communication and laser shaping.

Key words: modulation instability, gas pressure, light power. broadband gain

中图分类号:  (Nonlinear optics)

  • 42.65.-k
42.81.-i (Fiber optics) 42.65.Tg (Optical solitons; nonlinear guided waves) 42.60.Fc (Modulation, tuning, and mode locking)