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Temperature tunability of cavity-semiconducting waveguide coupling in a two-dimensional photonic crystal
Institution:1. Research & Development Center, Bharathiar University, Coimbatore, Tamil Nadu 641046, India;2. Department of Physics (DDE), Annamalai University, Annamalainagar, Tamil Nadu 608002, India;1. Chelyabinsk State University, Br. Kashirinyh Street, 129, 454001 Chelyabinsk, Russia;2. Kotelnikov Institute of Radioengineering and Electronics of the Russian Academy of Sciences, Mokhovaya Street, 11-7, 125009 Moscow, Russia;1. College of Science, Air Force Engineering University, Xi’an, 710051 Shaanxi, China;2. Electronic Materials Research Laboratory, Xi’an Jiaotong University, Xi’an, 710049 Shaanxi, China;3. School of Electronics & Information Engineering, Xi’an Jiaotong University, Xi’an, 710049 Shaanxi, China;1. Mechanical Engineering Department, University of New Mexico, Albuquerque, NM, USA;2. Electrical and Computer Engineering Department, University of New Mexico, Albuquerque, NM, USA;3. Department of Applied Photonic Microsystems, Sandia National Laboratories, Albuquerque, NM, USA
Abstract:We study the coupling efficiency between a cavity resonator and semiconducting waveguide in a two-dimensional photonic crystal by varying the temperature. We used the revised plane wave expansion and finite difference time domain methods to evaluate the coupling efficiency. The photonic crystal waveguide is composed of a row of InSb semiconducting materials, and the efficiency was calculated at various temperatures. The findings indicate that the temperature can be used as a useful efficiency controller.
Keywords:Photonic crystals  Defect modes  Coupling efficiency
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