Materials, Photonic Devices, and Sensors

Diverse and controllable excitations of coupled modes of unidirectional air waveguides

[+] Author Affiliations
Xiang-kun Kong

Nanjing University of Aeronautics and Astronautics, Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, 29 Yudao Street, Nanjing 210016, China

Southeast University, State Key Laboratory of Millimeter Waves, Nanjing 210096, China

Yun-tuan Fang

Jiangsu University, School of Computer Science and Telecommunication Engineering, 301 Xuefu Road, Zhenjiang 212013, China

Opt. Eng. 55(9), 097105 (Sep 21, 2016). doi:10.1117/1.OE.55.9.097105
History: Received May 31, 2016; Accepted September 2, 2016
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Abstract.  In order to obtain the waveguide of multiple functionalities, we design a coupled system of two unidirectional air waveguides and find it is a system of multiple modes through band calculations. Through numerical simulations, we also find that the mode excitation is dependent on the position of the source. With the same frequency the line source can excite either the even mode or the odd modes in one single waveguide or two waveguide just by changing the positions of the source. Such a system provides us the way to control the excitation of mode and obtain the waveguide modes with special applications.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Topics

Waveguides ; Glasses

Citation

Xiang-kun Kong and Yun-tuan Fang
"Diverse and controllable excitations of coupled modes of unidirectional air waveguides", Opt. Eng. 55(9), 097105 (Sep 21, 2016). ; http://dx.doi.org/10.1117/1.OE.55.9.097105


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