News and Views
Nature Photonics 2, 268 - 269 (2008)
doi:10.1038/nphoton.2008.59
Quantum optics: Beyond single-photon counting
Alexander V. Sergienko1
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Alexander V. Sergienko is in the Department of Electrical & Computer Engineering and the Department of Physics, Boston University, 8 Saint Mary's Street, Boston, Massachusetts 02215-2421, USA.
e-mail: alexserg@bu.edu
Abstract
The ability to distinguish how many photons comprise a particular state of light leads to significant benefits in practical quantum information processing and quantum cryptography. Superconducting nanostructures provide an effective solution at telecom wavelengths.
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