Quantum Interfaces Using Nanoscale Surface Plasmons
arXiv:0809.4118 · doi:10.1140/epjd/e2008-00218-8
Abstract
The strong coupling between individual optical emitters and propagating surface plasmons confined to a conducting nanotip make this system act as an ideal interface for quantum networks, through which a stationary qubit and a flying photon (surface plasmon) qubit can be interconverted via a Raman process. This quantum interface paves the way for many essential functions of a quantum network, including sending, receiving, transferring, swapping, and entangling qubits at distributed quantum nodes as well as a deterministic source and an efficient detector of a single-photon. Numerical simulation shows that this scheme is robust against experimental imperfections and has high fidelity. Furthermore, being smaller this interface would significantly facilitate the scalability of quantum computers.
4 pages 3 figures 1 table
References in corpus (18)
- Quantum Computation with Quantum Dots
- Circuit Quantum Electrodynamics: Coherent Coupling of a Single Photon to a Cooper Pair Box
- Long-distance quantum communication with atomic ensembles and linear optics
- Cavity quantum electrodynamics for superconducting electrical circuits: an architecture for quantum computation
- The Physical Implementation of Quantum Computation
- Quantum state transfer and entanglement distribution among distant nodes in a quantum network
- A single-photon transistor using nano-scale surface plasmons
- Quantum Optics with Surface Plasmons
- Distributed Quantum Computation over Noisy Channels
- Strong coupling of single emitters to surface plasmons
- Mesoscopic Cavity Quantum Electrodynamics with Quantum Dots
- Optimal control of light pulse storage and retrieval
- Theory of control of spin/photon interface for quantum networks
- Cavity QED and quantum information processing with "hot" trapped atoms
- Capacitive coupling of atomic systems to mesoscopic conductors
- Spintronics and Quantum Dots for Quantum Computing and Quantum Communication
- Ultrafast initialization and QND-readout of a spin qubit via control of nanodot-vacuum coupling
- Optically induced spin to charge transduction in donor spin read-out