Self-collimated Slow Light in Square Lattice Photonic Crystals
محل انتشار: سومین کنفرانس بین المللی مهندسی برق
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 446
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شناسه ملی سند علمی:
ICELE03_285
تاریخ نمایه سازی: 18 اسفند 1397
چکیده مقاله:
Here, a 2D hole- and rod-type square array has been investigated to achieve self-collimated slow light in thestructure composed of silicon (ε=12) and air (ε=1). The plane wave expansion and equal frequency contour analysishave shown that ng~18.5 is achievable for a rod-type structure with r=0.3a for TE polarization within incidence anglesof θin<15o. Also, all-angle polarization insensitive self-collimation with ng~3 is achieved for a hole-type structure withr=0.25a. Results achieved by PWE has been further proved by FDTD method and there is a good agreement betweentwo methods.
کلیدواژه ها:
نویسندگان
Mahdieh Alizadehslami
Department of Electrical Engineering, Sahand University of Technology, Tabriz, Iran
Mina Noori
Department of Electrical Engineering, Sahand University of Technology, Tabriz, Iran