Theory of Electro-optic Modulation via a Quantum Dot Coupled to a Nano-resonator

Details Theory of Electro-optic Modulation via a Quantum Dot Coupled to a Nano-resonator Theory of Electro-optic Modulation via a Quantum Dot Coupled to a Nano-resonator

2009-11-27

arxiv.org/abs/0911.5207v1

Physics

Quantum Physics

9 pages, 7 figures

Scientific paper

10.1364/OE.18.003974

In this paper, we analyze the performance of an electro-optic modulator based on a single quantum dot strongly coupled to a nano-resonator, where electrical control of the quantum dot frequency is achieved via quantum confined Stark effect. Using realistic system parameters, we show that modulation speeds of a few tens of GHz are achievable with this system, while the energy per switching operation can be as small as 0.5 fJ. In addition, we study the non-linear distortion, and the effect of pure quantum dot dephasing on the performance of the modulator.

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