Theoretical study of crosstalk for AWGs

Daqing Zhu; Dongsheng Lu; Zhene Xu; Wei Lei; Manli Zhou

doi:10.1117/12.444581

16 October 2001 Theoretical study of crosstalk for AWGs

Daqing Zhu, Dongsheng Lu, Zhene Xu, Wei Lei, Manli Zhou

Proceedings Volume 4603, Fiber Optics and Optoelectronics for Network Applications; (2001) https://doi.org/10.1117/12.444581
Event: International Symposium on Optoelectonics and Microelectronics, 2001, Nanjing, China

Abstract

The relationship between crosstalk of an arrayed waveguide grating (AWG) and the parameters such as the width of the waveguide, the pitches of output waveguides and the number of waveguides in the array were studied theoretically and numerically in this paper. The beam propagation method (BPM) was used for numerically investigating the crosstalk. The simulation results show that when the pitches of output waveguides is small, the crosstalk is mainly dependent on them. However, when they are large enough, the crosstalk is caused mainly by the sidelobe level of the focal field at the image plane. The results also show that choosing a suitable number of the arrayed waveguides is more effective than only increasing it. The impact of the width of the waveguide on the crosstalk is also studied.

Citation Download Citation

Daqing Zhu, Dongsheng Lu, Zhene Xu, Wei Lei, and Manli Zhou "Theoretical study of crosstalk for AWGs", Proc. SPIE 4603, Fiber Optics and Optoelectronics for Network Applications, (16 October 2001); https://doi.org/10.1117/12.444581

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