Electro-optically tunable multiple channel reconfigurable OADM with Ti: LiNbO3 waveguides

Ke-jia Li; Jie Jin; Rui-feng Zhang; Xi Kong; Xiang-fang Mao

doi:10.1117/12.837981

24 November 2009 Electro-optically tunable multiple channel reconfigurable OADM with Ti: LiNbO₃ waveguides

Ke-jia Li, Jie Jin, Rui-feng Zhang, Xi Kong, Xiang-fang Mao

Proceedings Volume 7509, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration; 750909 (2009) https://doi.org/10.1117/12.837981
Event: International Conference on Optical Instrumentation and Technology, 2009, Shanghai, China

Abstract

Reconfigurable optical add/drop multiplexer (OADM), which is the fundamental element of wavelength division multiplexing (DWDM) system, employs various waveguide filter approaches. However, most of them are incapable of dropping more than a single channel at one time. Therefore, an electro-optically tunable reconfigurable OADM with Ti: LiNbO₃ waveguide was designed and analyzed. The two electrodes layers, separated by silicon dioxide buffer, applied two orthogonal electrodes fields in the waveguides which induced the wavelength dependent polarization conversion and phase shifted respectively, and hence realized the add or drop function combining with two identical polarization beam splitter waveguides. Profiting from the two layered electrodes structure, the tuning range was enlarged twice as the original filter design. The multiple channels download is feasible due to the novel structure of the polarization conversion electrodes.

Citation Download Citation

Ke-jia Li, Jie Jin, Rui-feng Zhang, Xi Kong, and Xiang-fang Mao "Electro-optically tunable multiple channel reconfigurable OADM with Ti: LiNbO₃ waveguides", Proc. SPIE 7509, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 750909 (24 November 2009); https://doi.org/10.1117/12.837981

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