Single Photons from Coupled Quantum Modes

Single photon emitters often rely on a strong nonlinearity to make the behavior of a quantum mode susceptible to a change in the number of quanta between one and two. In most systems, the strength of nonlinearity is weak, such that changes at the single quantum level have little effect. Here, we consider coupled quantum modes and find that they can be strongly sensitive at the single quantum level, even if nonlinear interactions are modest. As examples, we consider solid-state implementations based on the tunneling of polaritons between quantum boxes or their parametric modes in a microcavity. We find that these systems can act as promising single photon emitters.


Published in:
Physical Review Letters, 104, 18, 183601
Year:
2010
Publisher:
American Physical Society
ISSN:
1079-7114
Keywords:
Laboratories:




 Record created 2010-07-14, last modified 2018-09-13

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