Phonon-mediated coupling between quantum dots through an off-resonant microcavity

Arka Majumdar, Michal Bajcsy, Armand Rundquist, Erik Kim, and Jelena Vučković
Phys. Rev. B 85, 195301 – Published 1 May 2012

Abstract

We present experimental results showing phonon-mediated coupling between two quantum dots embedded inside a photonic-crystal microcavity. With only one of the dots being spectrally close to the cavity, we observe both frequency up-conversion and down-conversion of the pump light via a 1.2-THz phonon. We demonstrate this process for both weak and strong regimes of dot-cavity coupling and provide a simple theoretical model to qualitatively explain our observations.

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  • Received 21 November 2011

DOI:https://doi.org/10.1103/PhysRevB.85.195301

©2012 American Physical Society

Authors & Affiliations

Arka Majumdar*, Michal Bajcsy, Armand Rundquist, Erik Kim, and Jelena Vučković

  • E. L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA

  • *arkam@stanford.edu

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Issue

Vol. 85, Iss. 19 — 15 May 2012

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