NDLI: Tunable Light Emission from GaN-Based Photonic Crystal with Ultraviolet AlN/AlGaN Distributed Bragg Reflector

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Tunable Light Emission from GaN-Based Photonic Crystal with Ultraviolet AlN/AlGaN Distributed Bragg Reflector

Content Provider	Scilit
Author	Chen, Cheng-Chang Chiu, Ching-Hsueh Yang, Yi-Chun Shih, M. H. Chen, Jun-Rong Li, Zhen-Zu Kuo, Hao-Chung Lu, Tien-Chang
Copyright Year	2011
Description	Journal: Japanese Journal of Applied Physics In this paper, the characteristics of GaN-based two-dimensional (2D) photonic crystal bandedge coupling operation with an ultraviolet AlN/AlGaN distributed Bragg reflector (DBR) have been investigated and analyzed. The 25-pair $AlN/Al_{0.2}GaN_{0.8}$ DBR shows a high reflectivity of 85% at 375 nm with the stop-band width of 15 nm. A strong light emission was observed from GaN photonic crystals within high reflectivity region of DBR. The emission wavelength can be also manipulated by varying the radius to lattice constant ratio. The photonic crystal bandedge mode was also characterized with three-dimensional plane-wave expansion (PWE) and finite-difference time-domain (FDTD) simulation.
Related Links	http://pdfs.semanticscholar.org/c31a/b0f32ff9dd791c3f5b6d86ae75cf3c5bebd9.pdf http://iopscience.iop.org/article/10.1143/JJAP.50.04DG09/pdf
ISSN	00214922
e-ISSN	13474065
DOI	10.1143/jjap.50.04dg09
Journal	Japanese Journal of Applied Physics
Issue Number	4
Volume Number	50
Language	English
Publisher	IOP Publishing
Publisher Date	2011-04-20
Access Restriction	Open
Subject Keyword	Journal: Japanese Journal of Applied Physics Public, Environmental and Occupational Health
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Engineering

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