Resonance fluorescence from a telecom-wavelength quantum dot

Al-Khuzheyri, R. et al. (2016) Resonance fluorescence from a telecom-wavelength quantum dot. Applied Physics Letters, 109(16), 163104. (doi: 10.1063/1.4965845)

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We report on resonance fluorescence from a single quantum dot emitting at telecom wavelengths. We perform high-resolution spectroscopy and observe the Mollow triplet in the Rabi regime—a hallmark of resonance fluorescence. The measured resonance-fluorescence spectra allow us to rule out pure dephasing as a significant decoherence mechanism in these quantum dots. Combined with numerical simulations, the experimental results provide robust characterisation of charge noise in the environment of the quantum dot. Resonant control of the quantum dot opens up new possibilities for the on-demand generation of indistinguishable single photons at telecom wavelengths as well as quantum optics experiments and direct manipulation of solid-state qubits in telecom-wavelength quantum dots.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Hadfield, Professor Robert and Dada, Dr Adetunmise
Authors: Al-Khuzheyri, R., Dada, A.C., Huwer, J., Santana, T.S., Skiba-Szymanska, J., Felle, M., Ward, M.B., Stevenson, R.M., Farrer, I., Tanner, M.G., Hadfield, R.H., Ritchie, D.A., Shields, A.J., and Gerardot, B.D.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Applied Physics Letters
Publisher:AIP Publishing
ISSN (Online):1077-3118
Copyright Holders:Copyright © 2016 The Authors
First Published:First published in Applied Physics Letters 109(16): 163104
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
622331Lithium niobate integrated quantum photonicsRobert HadfieldEngineering & Physical Sciences Research Council (EPSRC)EP/I036273/1ENG - ENGINEERING ELECTRONICS & NANO ENG
629121Semiconductor Integrated Quantum Optical CircuitsRobert HadfieldEngineering & Physical Sciences Research Council (EPSRC)EP/J007544/1ENG - ENGINEERING ELECTRONICS & NANO ENG