Coplanar plasmonic nanolasers based on edge-coupled hybrid plasmonic waveguides

Document Type

Article

Publication Date

6-16-2011

Abstract

A novel type of coplanar plasmonic laser based on an edge-coupled hybrid plasmonic waveguide is proposed and analyzed theoretically. This structure enables the realization of an air gap between the nanowire and the metal layer that could facilitate enhanced field confinement. By simulating the modal properties and the lasing threshold under different geometric parameters, it is demonstrated that with smaller gap widths and metal films of a larger rounded-corner radius, the lasing threshold could be reduced significantly. The structure could enable deep-subwavelength lasing with low pump thresholds and be readily integrated with other plasmonic structures for future coplanar active plasmonic circuits. © 2011 IEEE.

Identifier

79958720161 (Scopus)

Publication Title

IEEE Photonics Technology Letters

External Full Text Location

https://doi.org/10.1109/LPT.2011.2141981

ISSN

10411135

First Page

884

Last Page

886

Issue

13

Volume

23

Grant

60921001/61077064

Fund Ref

National Natural Science Foundation of China

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