›› 2014, Vol. 23 ›› Issue (11): 110702-110702.doi: 10.1088/1674-1056/23/11/110702

• GENERAL • 上一篇    下一篇

Spectral analysis of the UFBG-based acousto–optical modulatorin V-I transmission matrix formalism

吴良英, 裴丽, 刘超, 王一群, 翁思俊, 王建帅   

  1. Key Laboratory of All Optical Network & Advanced Telecommunication Network of EMC, Beijing Jiaotong Univcnersity, Beijing 100044, China
  • 收稿日期:2014-04-05 修回日期:2014-05-22 出版日期:2014-11-15 发布日期:2014-11-15
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 61275076).

Spectral analysis of the UFBG-based acousto–optical modulatorin V-I transmission matrix formalism

Wu Liang-Ying (吴良英), Pei Li (裴丽), Liu Chao (刘超), Wang Yi-Qun (王一群), Weng Si-Jun (翁思俊), Wang Jian-Shuai (王建帅)   

  1. Key Laboratory of All Optical Network & Advanced Telecommunication Network of EMC, Beijing Jiaotong Univcnersity, Beijing 100044, China
  • Received:2014-04-05 Revised:2014-05-22 Online:2014-11-15 Published:2014-11-15
  • Contact: Pei Li E-mail:lipei@bjtu.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 61275076).

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摘要： In this study, the V-I transmission matrix formalism (V-I method) is proposed to analyze the spectrum characteristics of the uniform fiber Bragg grating (FBG)-based acousto-optic modulators (UFBG-AOM). The simulation results demonstrate that both the amplitude of the acoustically induced strain and the frequency of the acoustic wave (AW) have an effect on the spectrum. Additionally, the wavelength spacing between the primary reflectivity peak and the secondary reflectivity peak is proportional to the acoustic frequency with the ratio 0.1425 nm/MHz. Meanwhile, we compare the amount of calculation. For the FBG whose period is M, the calculation of the V-I method is 4×(2M-1) in addition/subtraction, 8×(2M-1) in multiply/division and 2M in exponent arithmetic, which is almost a quarter of the multi-film method and transfer matrix (TM) method. The detailed analysis indicates that, compared with the conventional multi-film method and transfer matrix (TM) method, the V-I method is faster and less complex.

关键词: uniform fiber bragg grating (UFBG), acousto-optic modulator (AOM), V-I transmission matrix formalism, spectrum

Abstract: In this study, the V-I transmission matrix formalism (V-I method) is proposed to analyze the spectrum characteristics of the uniform fiber Bragg grating (FBG)-based acousto-optic modulators (UFBG-AOM). The simulation results demonstrate that both the amplitude of the acoustically induced strain and the frequency of the acoustic wave (AW) have an effect on the spectrum. Additionally, the wavelength spacing between the primary reflectivity peak and the secondary reflectivity peak is proportional to the acoustic frequency with the ratio 0.1425 nm/MHz. Meanwhile, we compare the amount of calculation. For the FBG whose period is M, the calculation of the V-I method is 4×(2M-1) in addition/subtraction, 8×(2M-1) in multiply/division and 2M in exponent arithmetic, which is almost a quarter of the multi-film method and transfer matrix (TM) method. The detailed analysis indicates that, compared with the conventional multi-film method and transfer matrix (TM) method, the V-I method is faster and less complex.

Key words: uniform fiber bragg grating (UFBG), acousto-optic modulator (AOM), V-I transmission matrix formalism, spectrum

中图分类号:  (Optical instruments and equipment)

  • 07.60.-j
07.60.Vg (Fiber-optic instruments) 42.81.Wg (Other fiber-optical devices)