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Characterization of nonideal quantum non-demolition measurements

1992; Elsevier BV; Volume: 89; Issue: 1 Linguagem: Inglês

10.1016/0030-4018(92)90254-o

ISSN

1873-0310

Autores

Philippe Grangier, Jean-Michel Courty, Serge Reynaud,

Tópico(s)

Semiconductor Lasers and Optical Devices

Resumo

The effectiveness of quantum non-demolition (QND) measurements must be characterized by quantities which can be determined experimentally and theoretically for nonideal QND devices. We define equivalent input noises which can conveniently be used as such quantities.

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