Quantum circuit, quantum chip, and quantum computer
Granted: December 3, 2024
Patent Number:
12160233
A quantum circuit, a quantum chip, and a quantum computer. The quantum circuit includes qubits, adjacent qubits being coupled, and each of the qubits including: a first capacitor, a first end of the first capacitor being grounded; a second capacitor, a first end of the second capacitor and the first end of the first capacitor being commonly grounded; and a first device, including a first squid and a third capacitor that are connected in parallel, wherein parallel-connected first ends of…
Backside illuminated structures with parallel charge transfer
Granted: December 3, 2024
Patent Number:
12159887
In some embodiments, an integrated circuit includes multiple charge storage regions configured to receive charge carriers from a photodetection region in response to a single excitation of a sample. In some embodiments, an integrated circuit includes first and second charge transfer paths configured to electrically couple a photodetection region to first and second charge storage regions, with the second charge transfer path bypassing the first charge storage region. In some embodiments,…
Magneto-optical memory interface
Granted: December 3, 2024
Patent Number:
12159668
A magneto-optical memory interface includes: a memory cell structure having multiple allocated magnetic recording cells, a selection means configured to select an individual or a predetermined number of the multiple allocated magnetic recording cells of the memory structure, and configured for an electronic signal to be applicable thereto; and a light irradiation part configured to irradiate the predetermined number of the multiple allocated magnetic memory cells with an optical signal,…
Photonic quantum computation with dirty photons
Granted: December 3, 2024
Patent Number:
12159200
Systems and methods for generating photonic graph states for quantum computing include coupling a quantum emitter to a cavity, generating a first dirty photon having a first temporal profile, using the first dirty photon to form a first photonic qubit, generating a second dirty photon having a second temporal profile, using the second dirty photon to form a second photonic qubit, using the quantum emitter coupled to the cavity to entangle the first photonic qubit with the second photonic…
Method of computing a solution to a computational problem using a quantum system and apparatus for computing solutions to computational problems
Granted: December 3, 2024
Patent Number:
12159198
A method of computing a solution to a computational problem using a quantum system comprising a plurality of qubits includes encoding the computational problem into a single-body problem Hamiltonian comprising a plurality of adjustable parameters, and encoding comprises determining a problem-encoding configuration for the plurality of adjustable parameters. The method includes evolving an initial Hamiltonian at an initial time into a final Hamiltonian at a final time via an intermediate…
Techniques for view capture and storage for mobile applications
Granted: December 3, 2024
Patent Number:
12159097
Techniques can capture, store, and regenerate a view of content in applications (e.g., native applications) on devices (e.g., a mobile device). A capture management system can produce compact data storage of views of content in an application on a device and the efficient search thereof of views of content provided in the application. The views of content can be translated into a transportable data layer, such as HTML, and captured using delta encoding to identify changes and…
Processor element for quantum information processor
Granted: November 26, 2024
Patent Number:
12154978
Processor elements are described herein. A processor element comprises a silicon layer. The processor element further comprises one or more conductive electrodes. The processor element further comprises dielectric material having a non-uniform thickness, the dielectric material disposed at least between the silicon layer and the one or more conductive electrodes. In use, when a bias potential is applied to one or more of the conductive electrodes, the positioning of the one or more…
Automated system and method for diagnosing tape drive and media issues within large-scale tape library system
Granted: November 26, 2024
Patent Number:
12154592
A tape library system includes a plurality of tape libraries, a plurality of data centers, and an error diagnostic system. Each of the plurality of tape libraries includes a tape drive, at least one tape cartridge that retains magnetic tape, and a tape cartridge mover that moves the tape cartridge relative to the tape drive. Each of the plurality of data centers is configured to retain at least one of the plurality of tape libraries. The error diagnostic system includes (i) a central…
Integrated circuit with sequentially-coupled charge storage and associated techniques
Granted: November 26, 2024
Patent Number:
12152936
Described herein are techniques that improve the collection and readout of charge carriers in an integrated circuit. Some aspects of the present disclosure relate to integrated circuits having pixels with a plurality of charge storage regions. Some aspects of the present disclosure relate to integrated circuits configured to substantially simultaneously collect and read out charge carriers, at least in part. Some aspects of the present disclosure relate to integrated circuits having a…
Long-distance quantum key distribution
Granted: November 19, 2024
Patent Number:
12149615
A system and method for determining a secret cryptographic key shared between a sending unit and a receiving unit by using a communication channel comprising spatially separated amplifiers for secure long-distance communication includes transmitting a sequence of electromagnetic pulses via the communication channel through the amplifiers for establishing a shared secret cryptographic key, wherein each electromagnetic pulse corresponds to a bit of a random bit sequence according to a…
Modular interconnected quantum photonic system
Granted: November 19, 2024
Patent Number:
12149242
A modular quantum entanglement processing system can include a plurality of seed state systems, resource state systems, and fusion systems that can be ordered in different arrangements. The systems can be composed of modular assemblies or chips, such that the systems can be modularized and extended to perform entanglement based processing of tasks in a scalable manner. Some of the assemblies or chips of the different systems can be designed to operate at cryogenic temperatures, such as…
Thin film optical lens and method for coating a lens
Granted: November 19, 2024
Patent Number:
12147008
A thin film optical lens and method for coating an optical substrate serves to apply alternating layers, with varying thicknesses, of a high index dielectric material and a low index dielectric material on first and second surfaces of an optical substrate. The high and low index dielectric materials are layered through thin film deposition. The low index dielectric material is SiO2. The high index dielectric material is ZrO2 and/or Indium Zinc Oxide. The spectral results from application…
Computer security and methods of use thereof
Granted: November 12, 2024
Patent Number:
12143403
Described herein are various methods of securing a computer system. One or more methods include starting a security process after basic functionality on a computer is initiated at startup. The security process performs one or more reviews, such as audits, of the computer to verify that there have not been unauthorized changes to the computer, such as to any settings or executable files.
Translucent and transparent separators
Granted: November 12, 2024
Patent Number:
12142727
Provided herein are detect-free solid-state separators which are useful as Li| ion-conducting electrolytes in electro-chemical cells and devices, such as, but not limited to, rechargeable batteries. In some examples, the separators have a Li+ ion-conductivity greater than 1*10?3 S/cm at room temperature.
Pixel with enhanced drain
Granted: November 12, 2024
Patent Number:
12142619
Some embodiments relate to an integrated circuit, comprising: a pixel, comprising: a photodetection region; and a drain configured to discard charge carriers from within a semiconductor region of the pixel outside of the photodetection region. Some embodiments relate to an integrated circuit, comprising: a pixel, comprising: a photodetection region; and a drain configured to discard charge carriers from the photodetection region, wherein the drain comprises a semiconductor region and the…
Resource for quantum computing
Granted: November 12, 2024
Patent Number:
12141659
A quantum computing system, method and computer readable medium involve a vacuum chamber, an atom source input associated with the vacuum chamber, a Photonic Integrated Circuit (PIC) having an interaction region configured to interact with an atom from the atom source, a coupling location for atom positioning, a trapping laser for trapping the atom in the coupling location, an excitation laser for manipulating an electronic state or a nuclear state of the atom, a waveguide for guiding…
Quantum computer with swappable logical qubits
Granted: November 12, 2024
Patent Number:
12141658
A fault-tolerant quantum computer using topological codes such as surface codes can have an architecture that reduces the amount of idle volume generated. The architecture can include qubit modules that generate surface code patches for different qubits and a network of interconnections between different qubit modules. The interconnections can include “port” connections that selectably enable coupling of boundaries of surface code patches generated in different qubit modules and/or…
System and method to design photonic circuits for preparing Gaussian and non-Gaussian states
Granted: November 12, 2024
Patent Number:
12141510
Embodiments described herein provide systems and methods for optimizing a Gaussian representation to design photonic circuits for preparing a given target quantum state. The systems and methods internally consider and optimize quantum representations (e.g., Gaussian transformations, Gaussian and non-Gaussian states). In some embodiments, the systems and methods may produce optimal Gaussian transformations or states. In some embodiments, the systems and methods extract circuit parameters…
Apparatus and methods for implementing arbitrary unitary transformations on optical modes via a rectangular architecture
Granted: November 12, 2024
Patent Number:
12140989
An apparatus includes a first optical circuit and a second optical circuit. The first optical circuit has a network of interconnected interferometers to perform an M-mode universal transformation on N input optical modes that are divided into (M?1) groups of pulses. The first optical circuit also includes M input ports. Each input port of a first (M?1) input ports is configured to receive a corresponding group of pulses in the (M?1) groups of pulses. The first optical circuit also…
Method for determining a preimage element of a cryptographic hash function, computer program, and data processing system
Granted: November 5, 2024
Patent Number:
12137170
A method for determining a preimage element of a cryptographic hash function includes providing an output value of a cryptographic hash function and hash function operations of the cryptographic hash function; for each of the hash function operations, determining at least one hash function relation, comprising an equation and/or an inequality; determining an optimization problem comprising: the output value, at least one constraint assigned to an iteration of the cryptographic hash…
