Abstract
In applications like quantum cryptography and quantum computation, it is desirable to obtain single photon somces which can produce a train of single photons on demand at a high repetition rate, especially at or near room temperature. Such single-photon sources can be realized by tailoring the photonic enviromnent of the quantum emitter. The photonic enviromnent determines the local density of states, into which the photon can be emitted. A number of structures such as interfaces, cavities and waveguides have already been used to modify the spontaneous emission (SE) rate; nevertheless there is still room for improving the overall efficiency of the single-photon sources, e.g., by inventing new ways of enhancing light-matter interaction.
© 2009 IEEE
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