Title :
High-speed electrical control of a solid-state photonic quantum interface
Author :
De la Giroday, A. Boyer ; Bennett, A.J. ; Pooley, M.A. ; Stevenson, R.M. ; Sköld, N. ; Patel, R.B. ; Farrer, I. ; Ritchie, D.A. ; Shields, A.J.
Author_Institution :
Cambridge Res. Lab., Toshiba Res. Eur. Ltd., Cambridge, UK
Abstract :
We demonstrate high-fidelity transfer of the polarisation of a photon into the spin-state of an electron-hole pair. Spins are then electrically manipulated on sub-nanosecond timescales and near-unity phase-shift and spin-flip gate operations are demonstrated.
Keywords :
electron-hole recombination; excitons; high-speed techniques; photon polarisation; quantum interference devices; semiconductor quantum dots; electron-hole pair; high-speed electrical control; near-unity phase-shift; photon; polarisation; semiconductor LED structure; semiconductor quantum dot; solid-state photonic quantum interface; spin-flip gate operations; Electric fields; Excitons; Logic gates; Optical polarization; Photonics; Quantum dots; Semiconductor device measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
