Journal
OPTICS LETTERS
Volume 35, Issue 18, Pages 3075-3077Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.35.003075
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Funding
- Singapore National Research Foundation [NRF-G-CRP 2007-01]
- National Natural Science Foundation of China (NSFC) [10804003]
- Department of Education of Guangdong Province, China [C10131]
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We studied the loss compensation of surface plasmon polaritons (SPPs) with InGaAsP quantum wells at telecom wavelength. The quantum wells are buried in the vicinity of a thin Au film. The propagation length of short-range SPPs increases drastically with the gain coefficient of quantum wells, generated by a forward bias. The elongation of SPP propagation is experimentally observed via long-range SPPs, which strongly couple with the short-range SPPs. This study paves a way for electrically manipulated amplification of SPPs in plasmonic circuits. (C) 2010 Optical Society of America
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