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Title: Surface plasmon enhanced photoluminescence in gold capped InGaAs quantum well nanodisk array
Authors: Huang, J.
Tung, K.H.P.
Deng, L.
Xiang, N. 
Dong, J.
Danner, A.J. 
Teng, J.
Issue Date: 1-Dec-2013
Citation: Huang, J., Tung, K.H.P., Deng, L., Xiang, N., Dong, J., Danner, A.J., Teng, J. (2013-12-01). Surface plasmon enhanced photoluminescence in gold capped InGaAs quantum well nanodisk array. Optical Materials Express 3 (12) : 2003-2011. ScholarBank@NUS Repository.
Abstract: We report a convenient method of tuning the surface plasmon resonance (SPR) wavelength to enhance photoluminescence (PL) in an InGaAs quantum well nanodisk (QWND) array covered with gold caps. The spectral response of the structure in the absorption was controlled by coupling the SPR to the quantum energy level of the underlying QWNDs through adjusting the size of the disks. A 4.5-fold enhancement in PL intensity was obtained when the SPR wavelength was tuned close to the light emission wavelength of the QWNDs. FDTD simulation consolidates the explanation of the measured spectral results and PL enhancement. © 2013 Optical Society of America.
Source Title: Optical Materials Express
ISSN: 21593930
DOI: 10.1364/OME.3.002003
Appears in Collections:Staff Publications

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