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Device for thermal-insulated following stark chirp quantum gate record

A quantum gate, adiabatic technology, applied in the direction of combination recording, data recording, recording information storage, etc., can solve the problem of not providing

Inactive Publication Date: 2005-12-21
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

[0002] In the prior art, Min Yan et al. discussed the nonlinear absorption phenomenon of photon switching observed in a four-level atomic system in the paper "Observation of absorptive photon switching by quantum interference". But did not provide a practical device for adiabatically following the Stark chirp quantum gate record

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  • Device for thermal-insulated following stark chirp quantum gate record
  • Device for thermal-insulated following stark chirp quantum gate record

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Embodiment Construction

[0025] see first figure 1 , figure 1 It is a structural schematic diagram of the best embodiment of the device for adiabatic following Stark chirp quantum gate recording of the present invention. It can be seen from the figure that the device for adiabatic following the Stark chirp quantum gate recording of the present invention includes, the most core element is the quantum gate encoder 7, the control disk rotation speed device 8 is connected with the quantum gate encoder 7 and the rotating shaft 10, and the working medium 9 Coated on the base plate 11, the control recording and encoding device 12 controls the quantum gate encoder 7 according to the instruction of recording information, and the converging lens 6 is placed above the quantum gate encoder 7, and the pulse modulator 5 is placed above the converging lens 6. Above the pulse modulator 5 are the first polarization element 3, the second polarization element 13 and the plane reflection element 4 of total reflection, t...

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Abstract

The invention relates to a system for recording quantum information in a controllable manner, in particular to a device for adiabatically following the Stark chirp quantum gate recording. The device includes a laser pump source, two laser light sources, two polarizing elements, a planar reflection element, a pulse modulator, a converging lens, a quantum gate encoder, and a work piece medium in order of light propagation direction; In the decorated state, the probe light pulse is used to excite the electrons to form a Λ-morphological combination. The carrier wave of the chirped light pulse carrying the recording information is perpendicular to the polarization of the Stark light pulse, and parallel to the polarization of the probe light pulse. Conditions control the working medium, and the quantum gate is recorded in a coherent state. The device should have the characteristics of good confidentiality performance and large amount of recorded information.

Description

Technical field: [0001] The invention relates to a system for recording quantum information in a controllable manner, in particular to a device for adiabatically following the Stark chirp quantum gate recording. Background technique: [0002] In the prior art, Min Yan et al. discussed the nonlinear absorption phenomenon of photon switching observed in a four-level atomic system in the paper "Observation of absorptive photon switching by quantum interference". But it does not provide a practical device for adiabatically following Stark chirp quantum gate records. Invention content: [0003] The present invention aims to solve the technical problem that there is no practical device for adiabatic following Stark chirp quantum gate recording in the prior art, and provides a device with the function of adiabatic following Stark chirp quantum gate recording, which uses Stark pulse to establish Dressed states, and then use the probe beam to excite electrons to form a Λ-morpholog...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B11/00
Inventor 金石琦龚尚庆
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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