Nano-photonics in III-V Semiconductors for Integrated Quantum Optical Circuits

Nano-photonics in III-V Semiconductors for Integrated Quantum Optical Circuits

by Nicholas Andrew Wasley

Paperback(Softcover reprint of the original 1st ed. 2014)

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This thesis breaks new ground in the physics of photonic circuits for quantum optical applications. The photonic circuits are based either on ridge waveguides or photonic crystals, with embedded quantum dots providing the single qubit, quantum optical emitters. The highlight of the thesis is the first demonstration of a spin-photon interface using an all-waveguide geometry, a vital component of a quantum optical circuit, based on deterministic single photon emission from a single quantum dot. The work makes a further important contribution to the field by demonstrating the effects and limitations that inevitable disorder places on photon propagation in photonic crystal waveguides, a further key component of quantum optical circuits. Overall the thesis offers a number of highly novel contributions to the field; those on chip circuits may prove to be the only means of scaling up the highly promising quantum-dot-based quantum information technology.

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Product Details

ISBN-13: 9783319348834
Publisher: Springer International Publishing
Publication date: 08/23/2016
Series: Springer Theses
Edition description: Softcover reprint of the original 1st ed. 2014
Pages: 129
Product dimensions: 6.10(w) x 9.25(h) x 0.01(d)

About the Author

As a Manx Russell-Willis Scholar, Nicholas obtained an MPhys Physics degree with first class honours from the University of Manchester in 2009. He subsequently conducted PhD research in the Low Dimensional Structures and Devices group of the Department of Physics and Astronomy at the University of Sheffield under the supervision of Prof M. Skolnick (FRS), completing his thesis in January 2013. Nicholas has co-authored five peer-reviewed papers and presented work at a number of conferences including ICPS 2012 where he was nominated for the Young Scientist Best Paper Award. Nicholas currently works as a physicist for Sagentia in Harston, Cambridge.

Table of Contents

Introduction.- Experimental methods.- Disorder limited photon propagation and Anderson localisation in photonic crystal waveguides.- On-chip interface for in-plane polarisation transfer for quantum information processing.- Direct in-plane readout of QD spin.- InP QDs in GaInP photonic crystal cavities.- Development of additional technological approaches.- Conclusions and future directions.

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