Compensating the loss in the plasmonic waveguides and feasibility of sub-wavelength plasmonic lasers

Jacob B Khurgin; Greg Sun

doi:10.1364/QELS.2012.QM1H.3

Conference on Lasers and Electro-Optics 2012
OSA Technical Digest (Optica Publishing Group, 2012),
paper QM1H.3
•https://doi.org/10.1364/QELS.2012.QM1H.3

Compensating the loss in the plasmonic waveguides and feasibility of sub-wavelength plasmonic lasers

Jacob B Khurgin and Greg Sun

Quantum Electronics and Laser Science Conference 2012

San Jose, California United States
6–11 May 2012
ISBN: 978-1-55752-943-5

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Spasers and Nanoemitters (QM1H)

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J. B. Khurgin and G. Sun, "Compensating the loss in the plasmonic waveguides and feasibility of sub-wavelength plasmonic lasers," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optica Publishing Group, 2012), paper QM1H.3.

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Abstract

We show that full compensation of loss in plasmonic waveguides with significantly sub-wavelength light confinement (less than λ/4n) requires current density in excess of 100 kA/cm² making sub-wavelength in all three dimensions laser (spaser) impractical.

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