Removal of a single photon by adaptive absorption
arXiv:quant-ph/0106086 · doi:10.1103/PhysRevA.64.043814
Abstract
We present a method to remove, using only linear optics, exactly one photon from a field-mode. This is achieved by putting the system in contact with an absorbing environment which is under continuous monitoring. A feedback mechanism then decouples the system from the environment as soon as the first photon is absorbed. We propose a possible scheme to implement this process and provide the theoretical tools to describe it.
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