|
| related topics |
| {cavity, atom, atoms} |
| {state, states, coherent} |
| {time, decoherence, evolution} |
| {photon, photons, single} |
| {light, field, probe} |
| {energy, gaussian, time} |
| {equation, function, exp} |
| {level, atom, field} |
| {measurement, state, measurements} |
| {temperature, thermal, energy} |
| {energy, state, states} |
| {operator, operators, space} |
| {information, entropy, channel} |
| {time, wave, function} |
|
Dephasing due to Intermode Coupling in Superconducting Stripline
Resonators
Eyal Buks, Bernard Yurke
abstract: The nonlinearity exhibited by the kinetic inductance of a superconducting
stripline couples stripline resonator modes together in a manner suitable for
quantum non-demolition measurement of the number of photons in a given
resonator mode. Quantum non-demolition measurement is accomplished by
coherently driving another resonator mode, referred to as the detector mode,
and measuring its response. We show that the sensitivity of such a detection
scheme is directly related to the dephasing rate induced by such an intermode
coupling. We show that high sensitivity is expected when the detector mode is
driven into the nonlinear regime and operated close to a point where critical
slowing down occurs.
- oai_identifier:
- oai:arXiv.org:quant-ph/0511033
- categories:
- quant-ph cond-mat.mes-hall cond-mat.supr-con
- doi:
- 10.1103/PhysRevA.73.023815
- arxiv_id:
- quant-ph/0511033
- created:
- 2005-11-03
- updated:
- 2005-11-04
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