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公开(公告)号：US11824248B2
公开(公告)日：2023-11-21
申请号：US17127605
申请日：2020-12-18
发明人： Oskar Painter , Seyed Mohammad Mirhosseini Niri , Eun Jong Kim , Alp Sipahigil , Vinicius Thaddeu dos Santos Ferreira , Andrew J. Keller , Mahmoud Kalaee , Michael T. Fang
CPC分类号： H01P3/00 , G06N10/00 , G02F2202/30
摘要： A shielded bridge for a coplanar waveguide (CPW) includes a signal bridge extending from a first terminal of the CPW to a second terminal of the CPW. The signal bridge has a raised central portion that extends over a separate signal conductor. The shielded bridge for the CPW also includes a ground bridge extending from a first ground plane on a first side of the separate signal conductor to a second ground plane on a second side of the separate signal conductor. The ground bridge is positioned between the signal bridge and the separate signal conductor.
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公开(公告)号：US20200052359A1
公开(公告)日：2020-02-13
申请号：US16293416
申请日：2019-03-05
发明人： Oskar Painter , Seyed Mohammad Mirhosseini Niri , Eun Jong Kim , Alp Sipahigil , Vinicius Thaddeu dos Santos Ferreira , Andrew J. Keller , Mahmoud Kalaee , Michael T. Fang
摘要： Metamaterial waveguides and shielded bridges are employed to improve the scalability and routing of quantum computing circuits. A metamaterial waveguide includes a signal conductor that has a periodic array of lumped element resonators distributed along and electrically coupled to a signal conductor. The periodic array of lumped element resonator pairs defines a bandgap within an operating bandwidth of the waveguide. Qubits can communicate within the operating bandwidth of the waveguide and communications via the waveguide can be controlled by changing a center frequency of the qubits. A shielded bridge is used to cross over high frequency communications and control CPW's in a quantum computing circuit. The shielded bridge includes a signal bridge that is elevated and extends over a separate CPW, and a ground bridge positioned between the signal bridge and the separate CPW.
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公开(公告)号：US10916821B2
公开(公告)日：2021-02-09
申请号：US16293416
申请日：2019-03-05
发明人： Oskar Painter , Seyed Mohammad Mirhosseini Niri , Eun Jong Kim , Alp Sipahigil , Vinicius Thaddeu dos Santos Ferreira , Andrew J. Keller , Mahmoud Kalaee , Michael T. Fang
摘要： Metamaterial waveguides and shielded bridges are employed to improve the scalability and routing of quantum computing circuits. A metamaterial waveguide includes a signal conductor that has a periodic array of lumped element resonators distributed along and electrically coupled to a signal conductor. The periodic array of lumped element resonator pairs defines a bandgap within an operating bandwidth of the waveguide. Qubits can communicate within the operating bandwidth of the waveguide and communications via the waveguide can be controlled by changing a center frequency of the qubits. A shielded bridge is used to cross over high frequency communications and control CPW's in a quantum computing circuit. The shielded bridge includes a signal bridge that is elevated and extends over a separate CPW, and a ground bridge positioned between the signal bridge and the separate CPW.
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公开(公告)号：US20210151844A1
公开(公告)日：2021-05-20
申请号：US17127605
申请日：2020-12-18
发明人： Oskar Painter , Seyed Mohammad Mirhosseini Niri , Eun Jong Kim , Alp Sipahigil , Vinicius Thaddeu dos Santos Ferreira , Andrew J. Keller , Mahmoud Kalaee , Michael T. Fang
摘要： A shielded bridge for a coplanar waveguide (CPW) includes a signal bridge extending from a first terminal of the CPW to a second terminal of the CPW. The signal bridge has a raised central portion that extends over a separate signal conductor. The shielded bridge for the CPW also includes a ground bridge extending from a first ground plane on a first side of the separate signal conductor to a second ground plane on a second side of the separate signal conductor. The ground bridge is positioned between the signal bridge and the separate signal conductor.
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