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Proceedings Paper

Time-frequency analysis of chirp optical pulse signal
Author(s): Lingming Shi; Chun Yang; Xiaohan Sun; Mingde Zhang
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Paper Abstract

Time-frequency analysis theory was used in this work to analyze chirped optical pulse signals produced in directly modulated semiconductor lasers or optical propagation channel. The partial characters of the chirped signals can be depicted at time domain and frequency domain simultaneously using these methods. For chirped gaussian pulse signals which are commonly used in optical communication, Short Time Fourier Transform and Wavelet Transform as the examples of linear time frequency transform and Wigner-Ville distribution as for nonlinear time-frequency transform are analytically presented. In the end, both advantages and disadvantages of the time-frequency analysis methods are compared.

Paper Details

Date Published: 9 December 2005
PDF: 6 pages
Proc. SPIE 6021, Optical Transmission, Switching, and Subsystems III, 60214B (9 December 2005); doi: 10.1117/12.637015
Show Author Affiliations
Lingming Shi, Southeast Univ. (China)
Chun Yang, Southeast Univ. (China)
Xiaohan Sun, Southeast Univ. (China)
Mingde Zhang, Southeast Univ. (China)


Published in SPIE Proceedings Vol. 6021:
Optical Transmission, Switching, and Subsystems III
Rodney S. Tucker; Dominique Chiaroni; Wanyi Gu; Ken-ichi Kitayama, Editor(s)

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