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Techniques for coupling plannar qubits to non-planar resonators and related systems and methods

A resonator and qubit technology, applied in the direction of nanotechnology, resonator, nanotechnology, etc. for information processing, can solve problems such as the inability to create multi-qubit gates

Active Publication Date: 2017-11-28
YALE UNIV
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Problems solved by technology

For example, while photon polarization benefits from long coherence times and simple single-qubit manipulation, it is not possible to create simple multi-qubit gates

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  • Techniques for coupling plannar qubits to non-planar resonators and related systems and methods
  • Techniques for coupling plannar qubits to non-planar resonators and related systems and methods
  • Techniques for coupling plannar qubits to non-planar resonators and related systems and methods

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Embodiment Construction

[0045] As mentioned above, superconducting qubits are a favorable choice for building qubits in quantum computing devices. In particular, superconducting qubits can be fabricated using standard two-dimensional fabrication techniques such as photolithography, making them scalable. On the other hand, superconducting qubits suffer from shorter coherence times compared to other devices used to store quantum information. Thus, superconducting qubits are typically coupled to interact with electromagnetic radiation, such as standing waves within resonant cavities or other oscillators, to form three-dimensional circuits. Since resonators typically offer much longer coherence times than superconducting qubits, combining the two devices into a "logic" qubit could provide even longer coherence times.

[0046] figure 1 An example of a conventional quantum device 100 is shown in which a superconducting qubit 110 is placed within a cavity resonator defined by reflectors 131 and 132 . Qub...

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Abstract

According to some aspects, a quantum mechanical system is provided, comprising a resonator having a plurality of superconducting surfaces and configured to support at least one electromagnetic oscillation mode within a three-dimensional region, wherein the plurality of superconducting surfaces include a first superconducting surface that defines a first plane, and a physical qubit comprising at least one planar component that is planar within the first plane and borders the three-dimensional region.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application No. 62 / 126,183, entitled "Coupling Planar Qubits to Non-Planar Resonators," filed February 27, 2015, in its entirety The contents are incorporated herein by reference. [0003] Statement Regarding Federally Funded Research and Development [0004] This invention was made with United States Government support under Grant No. W911NF-14-1-0011 awarded by the U.S. Army Department of Research. The United States Government may have certain rights in this invention. technical field [0005] This application relates generally to quantum information processing. More specifically, the present application relates to coupling planar quantum systems to non-planar resonators or resonant structures. Background technique [0006] Quantum information processing exploits quantum mechanical phenomena (eg, quantization of energy, superposition, and entanglement...

Claims

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Application Information

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IPC IPC(8): G06N99/00
CPCG06N10/40B82Y10/00H01P7/065H10N60/80G06N10/00
Inventor 兹拉特科·明涅夫凯尔·谢尔尼亚克伊万·波普储漪雯特雷莎·布雷希特路易吉·弗伦齐奥米歇尔·德沃尔特罗伯特·J·舍尔科普夫三世
Owner YALE UNIV
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