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…
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…
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…
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…
Tissue identification device, tissue identification system, method of identifying tissue, and storage medium
Granted: November 5, 2024
Patent Number:
12135283
A control section as a tissue identification device includes: an absorbance ratio calculating section configured to calculate the ratio of an absorbance indicated by a transmitted portion of first inspection light transmitted through biological tissue to an absorbance indicated by a transmitted portion of second inspection light transmitted through the biological tissue; and an identification information generating section configured to generate identification information indicative of…
Interface for a microfluidic device
Granted: November 5, 2024
Patent Number:
12134094
An interface for a microfluidic device such as a microfluidic cassette has a seal portion moveable from a first position to a second position within a reservoir in response to an applied force. Movement of the seal portion within the reservoir causes the volume of the reservoir to increase. The interface also has a hollow needle with a first end and a second end, the first end locatable in fluid communication with the reservoir and the second end located outside of the reservoir and…
System and method for pulse generation during quantum operations
Granted: October 29, 2024
Patent Number:
12132486
A pulse generation circuit in a quantum controller operates synchronously with a pulse computation circuit. The pulse generation circuit generates a pulse associated with a quantum element operation. The pulse computation circuit is able to determine characteristics of a signal that is based on the pulse. These characteristics are used by the pulse generation circuit to modify the pulse.
Method and apparatus for determining multi-qubit measurement result, and quantum computer
Granted: October 29, 2024
Patent Number:
12131227
Disclosed are a method and an apparatus for determining a multi-qubit measurement result, and a quantum computer. In the method, during determining multi-qubit measurement results, qubit readout feedback signals are first acquired for N associated qubits, then quantum state measurement values of the respective qubits are acquired based on the qubit readout feedback signals, and finally, measurement results of the N associated qubits are determined based on information weights of the…
Active alignment of optical die to optical substrates
Granted: October 29, 2024
Patent Number:
12130195
An assembly system for assembling an optical die to an optical substrate includes test equipment configured to test optical couplers formed between the optical die and the optical substrate. The assembly system is configured to adjust an alignment of the optical die relative to the optical substrate until the optical couplers meet a performance metric. After the performance metric is met the optical die is permanently attached to the optical substrate.
Specimen container for specimen pre-processing
Granted: October 29, 2024
Patent Number:
12128412
A specimen container has a vessel having a reservoir and a specimen collection region. The specimen container also has a sleeve located within the vessel and moveable in the direction of the reservoir. Movement of the sleeve in the direction of the reservoir results in the specimen collection region and reservoir being brought into fluid communication with each other.
Method for planning tissue ablation based on deep learning
Granted: October 29, 2024
Patent Number:
12127794
The invention relates to a method and device for planning a surgical procedure aiming to ablate a tissue in an anatomical area of interest of a patient. On the basis of a preoperative image of the anatomical area of interest and of a set of planning parameters (P), a simulated image is generated by a neural network that has been previously trained using learning elements corresponding, respectively, to a similar surgical procedure for ablating a tissue in an anatomical area of interest…
Active-source-pixel, integrated device for rapid analysis of biological and chemical specimens
Granted: October 22, 2024
Patent Number:
12123834
An active-source-pixel, integrated device capable of performing biomolecule detection and/or analysis, such as single-molecule nucleic acid sequencing, is described. An active pixel of the integrated device includes a sample well into which a sample to be analyzed may diffuse, an excitation source for providing excitation energy to the sample well, and a sensor configured to detect emission from the sample. The sensor may comprise two or more segments that produce a set of signals that…
Detection method and device based on laser-induced breakdown spectroscopy enhanced by 2D plasma grating
Granted: October 22, 2024
Patent Number:
12123836
A detection method based on laser-induced breakdown spectroscopy enhanced by a two-dimensional plasma grating includes: generating a femtosecond laser pulse by a femtosecond laser, and splitting the femtosecond laser pulse into three sub-pulses by a beam splitting unit; focusing the three sub-pulses separately by a focusing unit to allow focused sub-pulses to be overlapped at an intersection in space, wherein before reaching the intersection, the three sub-pulses form two planes;…
