Properties of integrated acousto-optic tunable filters in multiwavelength operation for WDM system

Hong Zhang Hu; Y. N. Li; Jisheng Yang; F. Geng

doi:10.1117/12.444532

16 October 2001 Properties of integrated acousto-optic tunable filters in multiwavelength operation for WDM system

Hong Zhang Hu, Y. N. Li, Jisheng Yang, F. Geng

Author Affiliations +

Proceedings Volume 4603, Fiber Optics and Optoelectronics for Network Applications; (2001) https://doi.org/10.1117/12.444532
Event: International Symposium on Optoelectonics and Microelectronics, 2001, Nanjing, China

Abstract

Integrated Acoustooptical Tunable Filters (AOTF) have great potential application in WDM optical networks because of some advanced properties, especially the unique property of simultaneous multiwavelength filtering. In this paper, we have developed time-dependent coupling mode equations with multiple acoustic waves travelling simultaneously. Take four acoustic waves as an example, we have shown some numerical results of conversion characteristics based on the developed coupling mode equations. We have also analyzed the fluctuation of the main peak, the center wavelength and the full width of half-maximum (FWHM) with respect to time. After discussing the drawbacks of the collinear AOTF in multiwavelength operation, especially the serious distort of conversion characteristics and the high crosstalk for narrow channel spacing, we propose for the first time that the conversion characteristics of AOTF can be improved by using quasi-collinear acoustooptical filters.

Citation Download Citation

Hong Zhang Hu, Y. N. Li, Jisheng Yang, and F. Geng "Properties of integrated acousto-optic tunable filters in multiwavelength operation for WDM system", Proc. SPIE 4603, Fiber Optics and Optoelectronics for Network Applications, (16 October 2001); https://doi.org/10.1117/12.444532

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