Size reduction of a semiconductor nanowire laser by using metal coating

A. V. Maslov; C. Z. Ning

doi:10.1117/12.723786

22 March 2007 Size reduction of a semiconductor nanowire laser by using metal coating

A. V. Maslov, C. Z. Ning

Author Affiliations +

Proceedings Volume 6468, Physics and Simulation of Optoelectronic Devices XV; 64680I (2007) https://doi.org/10.1117/12.723786
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

We explore the possibility of coating semiconductor nanowires with metal (Ag) to reduce the size of nanowire lasers operating at photon energies around 0.8-2 eV. Our results show that the material gain of a typical III-V semiconductor in nanowire may be sufficient to compensate Joule losses of such metal as Ag. The most promising mode to achieve lasing is TM₀₁ near its cutoff. To calculate the guiding properties of metal coated nanowires, we developed a finite-difference discretization approach, the details of which we also present. This approach allowed us to treat accurately the large index contrast of the nanowire/metal interface and to include nonperturbatively the imaginary parts of dielectric constants of the semiconductor core and metal coating.

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A. V. Maslov and C. Z. Ning "Size reduction of a semiconductor nanowire laser by using metal coating", Proc. SPIE 6468, Physics and Simulation of Optoelectronic Devices XV, 64680I (22 March 2007); https://doi.org/10.1117/12.723786

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