Photon echo quantum memory and state transformation
A recently proposed, photon echo related approach to quantum state storage in atomic ensembles employs controlled reversible inhomogeneous broadening (CRIB). Beyond storage, a modified version of CRIB...
Design of single-photon Mach-Zehnder interferometer based devices for quantum information processing
A comprehensive theoretical analysis of the cavity quantum electrodynamics (QED) in single-photon Mach-Zehnder Interferometer (SMZI) based switches and single quantum gates that are intended for the p...
Quantum dot-photonic crystal chips for quantum information processing
Proc. SPIE, Vol. 6903, 690309 (2008);
doi:10.1117/12.772310
Online Publication Date: 29 January 2008
Conference Date: Wednesday 23 January 2008
Conference Location: San Jose, CA, USA
Conference Title: Advanced Optical Concepts in Quantum Computing, Memory, and Communication
Conference Chairs: Zameer U. Hasan, Alan E. Craig, Philip R. Hemmer
We haverecently developed a technique for local, reversible tuning of individualquantum dots on a photonic crystal chip by up to1.8nm, which overcomes the problem of large quantum dot inhomogeneousbroadening - usually considered the main obstacle in employing suchplatform in practical quantum information processing systems. We have thenused this technique to tune single quantum dots into strongcoupling with a photonic crystal cavity, and observed strong couplingboth in photoluminescence and in resonant light scattering from thesystem, as needed for several proposals for scalable quantum informationnetworks and quantum computation.
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