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A Controlled Phase Gate Between A Single Atom And An Optical Photon 2016

RRP $271.99

This thesis reports on major steps towards the realization of scalable quantum networks. It addresses the experimental implementation of a deterministic interaction mechanism between flying optical photons and a single trapped atom. In particular, it demonstrates the nondestructive detection of an optical photon. To this end, single rubidium atoms are trapped in a three-dimensional optical lattice at the center of an optical cavity in the strong coupling regime. Full control over the atomic state - its position, its motion, and its electronic state - is achieved with laser beams applied along the resonator and from the side. When faint laser pulses are reflected from the resonator, the combined atom-photon state acquires a state-dependent phase shift. In a first series of experiments, this is employed to nondestructively detect optical photons by measuring the atomic state after the reflection process. Then, quantum bits are encoded in the polarization of the laser pulse and in the Zeeman state of the atom. The state-dependent phase shift mediates a deterministic universal quantum gate between the atom and one or two successively reflected photons, which is used to generate entangled atom-photon, atom-photon-photon, and photon-photon states out of separable input states.


Fundamentals Of Bidirectional Transmission Over A Single Optical Fibre

RRP $1.00

Bidirectional transmission over optical fibre networks may yield a large cost reduction because of the reduction of the network infrastructure by a factor two and the potential cost reduction by an integrated transceiver design. It may also provide a cost-effective way to upgrade distribution networks by adding bidirectional channels.
This book is the first to provide a comprehensive overview of bidirectional transmission in optical networks. It handles

  • physical aspects: the behaviour of the fibre itself in bidirectional transmission
  • transmission aspects: the behaviour and design of bidirectional systems and
  • network aspects: the influence of bidirectional transmission on network design. ¬£/LIST¬£ Practical guidelines are also given for bidirectional system design.
    Audience:This book is aimed at designers, builders and operators of optical networks, e.g. the manufacturers of optical transmission systems, public-network operators, developers of local-area networks, cable-television operators, etcetera. The intended level of readership is graduate level in physics or electrical engineering.


    Electro-optical And Infrared Systems

    RRP $291.99



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