The Performance of Active Coated Nanoparticles Based on Quantum-Dot Gain Media | Zendy

Sawyer D. Campbell | Zendy; Richard W. Ziolkowski | Zendy

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The Performance of Active Coated Nanoparticles Based on Quantum-Dot Gain Media

Author(s) -

Sawyer D. Campbell,

Richard W. Ziolkowski

Publication year - 2012

Publication title -

advances in optoelectronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.118

H-Index - 21

eISSN - 1687-5648

pISSN - 1687-563X

DOI - 10.1155/2012/368786

Subject(s) - quantum dot , nanoparticle , shell (structure) , core (optical fiber) , optoelectronics , resonance (particle physics) , active layer , nanotechnology , materials science , band gap , physics , atomic physics , composite material , layer (electronics) , thin film transistor

Quantum-dots (QDs) provide an exciting option for the gain media incorporated in active coated nanoparticles (CNPs) because they possess large gain coefficients resulting from their extreme confinement effects. The optical properties of core/shell QDs can be tuned by changing the relative size of the core/shell, that is, by effectively changing its band gap structure. Similarly, the resonance of a CNP can be adjustedby changing the relative sizes of its layers. It is demonstrated here that by optimally locating the QDs inside a resonant CNP structure it is possible to greatly enhance the intrinsic amplifying behavior of the combined QD-CNP system

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