期刊
OPTICS LETTERS
卷 40, 期 18, 页码 4229-4232出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.40.004229
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- Ministry of Science and Technology, Taiwan (MOST) [MOST 103-2120-M-002-002, MOST 103-2221-E-002-139, MOST 103-2221-E-236-006, NSC 102-2221-E-002-204-MY3]
- National Taiwan University [104R890951, 104R890952]
The radiated power enhancement (suppression) of an in(out-of-) plane-oriented radiating dipole at a desired emission wavelength in the deep-ultraviolet (UV) range when it is coupled with a surface plasmon (SP) resonance mode induced on a nearby Al nanoparticle (NP) is demonstrated. Also, it is found that the enhanced radiated power propagates mainly in the direction from the Al NP toward the dipole. Such SP coupling behaviors can be used for suppressing the transverse-magnetic (TM)-polarized emission, enhancing the transverse-electric-polarized emission, and reducing the UV absorption of the p-GaN layer in an AlGaN-based deep-UV light-emitting diode by embedding a sphere-like Al NP in its p-AlGaN layer. (C) 2015 Optical Society of America
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