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Enhanced Spontaneous Emission from an Optical Antenna Coupled WSe2 Monolayer

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Abstract

A self-aligned process is developed to couple monolayer WSe2 (30nm × 300nm) to a silver cavity-backed slot-antenna. Optical emission measurements show 340× enhancement in spontaneous emission. Carrier lifetimes of <1ps are measured by streak camera.

© 2015 Optical Society of America

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