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9 October 2000 Optimal design of narrow-band filter compensate layers used in WDM optical fiber communication system
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Proceedings Volume 4225, Optical Interconnects for Telecommunication and Data Communications; (2000) https://doi.org/10.1117/12.402726
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China
Abstract
The film structure of a multiple-cavity narrow-band interference filer is always used as DEMUX in WDM optical fiber communication system. To ensure the repeat of the film coating results, the optical thickness of every layer in this film structure is designed to be the integer multiple of the quarter of the monitor wavelength. But such design, which is only composed of regular layers, cannot meet the desire. Therefore, a design method, in which the film structure of a few irregular layers is added to the multiple-layer standard film structure, is introduced in this paper. Thus, the design desire can be basically satisfied. In the design, the optical thickness of the irregular layers is obtained by the optimal method with computer. An estimate function of the optimizing is made in this paper. A program is built in MATLAB programming language. By using the program, the thickness of the irregular compensates film on whatever multiple-layer regular film structure can be optimized.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiaohui Zhang, Wei Tang, Qingming Chen, Weiming Zhu, and Guang Yang "Optimal design of narrow-band filter compensate layers used in WDM optical fiber communication system", Proc. SPIE 4225, Optical Interconnects for Telecommunication and Data Communications, (9 October 2000); https://doi.org/10.1117/12.402726
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