Gain-assisted propagation of surface plasmon polaritons via electrically pumped quantum wells
Optics Letters, Vol. 35, Issue 18, pp. 3075-3077 (2010)
http://dx.doi.org/10.1364/OL.35.003075
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Abstract
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.
© 2010 Optical Society of America
OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(250.5403) Optoelectronics : Plasmonics
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices
ToC Category:
Optoelectronics
History
Original Manuscript: June 23, 2010
Manuscript Accepted: August 9, 2010
Published: September 8, 2010
Citation
Xuejin Zhang, Yicen Li, Te Li, Shuh Ying Lee, Chengang Feng, Libo Wang, and Ting Mei, "Gain-assisted propagation of surface plasmon polaritons via electrically pumped quantum wells," Opt. Lett. 35, 3075-3077 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-18-3075
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