Quantum Patent Grants

Detectors, optical switches, and waveguides

Granted: January 7, 2025
Patent Number: 12190206
A quantum computing system, method and computer readable medium involve a vacuum enclosure for sustaining a vacuum below 10?3 millibar, optical resonators tuned to a resonance of an alkali atom, and a trapping laser for maintaining the alkali atom within a mode of the optical resonators. An atom excitation laser induces photon emissions, a plurality of waveguides couple photons to and from the optical resonators, and a plurality of detectors detect a presence or absence of an…

Active photonic devices incorporating high dielectric constant materials

Granted: January 7, 2025
Patent Number: 12189266
A waveguide structure includes a substrate and a waveguide core coupled to the substrate and including a first material characterized by a first index of refraction and a first electro-optic coefficient. The waveguide structure also includes a first cladding layer at least partially surrounding the waveguide core and including a second material characterized by a second index of refraction less than the first index of refraction and a second electro-optic coefficient greater than the…

Integrated sensor with reduced skew

Granted: January 7, 2025
Patent Number: 12188870
Aspects of the present disclosure relate to techniques for reducing skew in an integrated device, such as a CMOS imaging device. In some aspects, multiple pixels of an integrated circuit may be configured to receive a same control signal and conduct charge carriers responsive to the control signal substantially at the same time. In some aspects, an integrated circuit may have modulated charge transfer channel voltage thresholds, such as by having different charge transfer channel…

Waveguide excitation uniformity

Granted: January 7, 2025
Patent Number: 12188868
Systems and methods for optical power distribution within an integrated device, in a substantially uniform manner, to a large number of sample wells and/or other photonic elements. The integrated device and related instruments and systems may be used to analyze samples in parallel. The integrated device may include a grating coupler configured to receive light from an excitation source and optically couple with multiple waveguides configured to couple with sample wells. Vertical extents…

Quantum chip system, quantum computing processing system and electronic apparatus

Granted: December 31, 2024
Patent Number: 12182664
Embodiments of the disclosure provide a quantum chip system, a quantum computing processing system and an electronic apparatus, wherein one quantum chip system includes at least one first qubit, each first qubit includes at least two control electrodes, and a first event register for controlling the control electrode, wherein each first event register is configured for storing a control signal of the control electrode, and each first qubit corresponds to at least two first event…

Sample well fabrication techniques and structures for integrated sensor

Granted: December 31, 2024
Patent Number: 12179204
A method of forming an integrated device includes forming a sample well within a cladding layer of a substrate; forming a sacrificial spacer layer over the substrate and into the sample well; performing a directional etch of the sacrificial spacer layer so as to form a sacrificial sidewall spacer on sidewalls of the sample well; forming, over the substrate and into the sample well, a functional layer that provides a location for attachment of a biomolecule; and removing the sacrificial…

Microfluidic device with DEP arrays

Granted: December 31, 2024
Patent Number: 12179200
Microfluidic device having a plurality of microfluidic channels and corresponding dielectrophoresis (DEP) electrode arrays, each channel arranged to direct fluid over a DEP electrode array such that in use target particles are manipulated by the DEP electrode array. The device also has a first connection point and second connection point for connecting the device to an alternating current source, a first input of each DEP electrode array connected to the first connection point via the…

Methods and compositions for protein sequencing

Granted: December 24, 2024
Patent Number: 12174196
Aspects of the application provide methods of identifying and sequencing proteins, polypeptides, and amino acids, and compositions useful for the same. In some aspects, the application provides methods of obtaining data during a degradation process of a polypeptide, and outputting a sequence representative of the polypeptide. In some aspects, the application provides amino acid recognition molecules comprising a shielding element that enhances photostability in polypeptide sequencing…

Isolation of waveguide-integrated detectors using a back end of line process

Granted: December 24, 2024
Patent Number: 12176672
An optical device includes a substrate, a dielectric layer on the substrate, a waveguide within the dielectric layer, a light sensitive component (e.g., a photodetector) in the dielectric layer and coupled to the waveguide, and a plurality of light isolation structures in at least one of the substrate or the dielectric layer and configured to prevent stray light from reaching the light sensitive component. In some embodiments, a light isolation structure in the plurality of light…

Remote distress monitor

Granted: December 24, 2024
Patent Number: 12175852
A remote distress monitor includes a steerable microphone array, a memory, and a control system. The steerable microphone array is configured to detect audio data and generate sound data. The memory stores machine-readable instructions. The control system includes one or more processors configured to execute the machine-readable instructions. The generated sound data from the steerable microphone array is analyzed. Based at least in part on the analysis, a token associated with the audio…

Method, apparatus, computer program and data carrier for determining a shared secret cryptographic key

Granted: December 17, 2024
Patent Number: 12170724
A system and method for determining a secret crypto-graphic key shared between a sending unit and a receiving unit for secure communication includes obtaining, by the sending unit, a random bit sequence, and transmitting, at the sending unit, a first sequence of electromagnetic pulses to the receiving unit via a communication channel, wherein each electro-magnetic pulse of the first sequence of electromagnetic pulses corresponds to a bit of the random bit sequence according to a…

Amplitude-modulated laser

Granted: December 17, 2024
Patent Number: 12170433
Systems and methods are described for producing an amplitude-modulated laser pulse train. The laser pulse train can be used to cause fluorescence in materials at which the pulse trains are directed. The parameters of the laser pulse train are selected to increase fluorescence relative to a constant-amplitude laser pulse train. The amplitude-modulated laser pulse trains produced using the teachings of this invention can be used to enable detection of specific molecules in applications…

Optimization techniques for quantum computing device simulation

Granted: December 17, 2024
Patent Number: 12169672
Computer systems and methods are provided for increasing a rate of simulation for quantum computing devices. A quantum computing device includes a plurality of gates, each of which is coupled to one or more modes. In the provided computer systems and methods, a device definition and state information for the quantum computing device are received. The state information includes a plurality of input patterns, each of which indicates a number of input bosons that correspond to a respective…

Alternative approach to the generation of a unique response to a challenge

Granted: December 17, 2024
Patent Number: 12169548
The disclosure provides a device for generating a unique response to a challenge, the device comprising: a plurality of structures, each structure being able to change from a first distinct state, to a second distinct state, in response to an appropriate input challenge; the device being arranged to facilitate a challenge of the plurality of structures in combination, by changing an input to the plurality of structures in combination, to cause each structure of the plurality of…

Integrated circuit with sequentially-coupled charge storage and associated techniques

Granted: December 17, 2024
Patent Number: 12169142
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…

Exercise equipment

Granted: December 17, 2024
Patent Number: D1054510

Superconducting electronic signal output circuit and readout array

Granted: December 10, 2024
Patent Number: 12163832
A superconducting electronic signal output circuit includes a signal source section configured to provide a voltage and/or current signal. The signal source section comprises a superconducting nanowire single photon detector, SNSPD, a switchable output section connected to the signal source section and having a first superconducting switch configured to selectably cause the signal to be output to an output of the superconducting electronic signal output circuit, and a switchable sink…

Compiler systems and methods for quantum computer with reduced idle volume

Granted: December 10, 2024
Patent Number: 12164891
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…

Electro-optical device fabricated on a substrate

Granted: December 10, 2024
Patent Number: 12164184
An electro-optical device is fabricated on a semiconductor-on-insulator (SOI) substrate. The electro-optical device comprises a silicon dioxide layer, and an active layer having ferroelectric properties on the silicon dioxide layer. The silicon dioxide layer includes a first silicon dioxide layer of the SOI substrate and a second silicon dioxide layer converted from a silicon layer of the SOI substrate. The active layer includes a buffer layer epitaxially grown on the silicon layer of…

Optical system and assay chip for probing, detecting and analyzing molecules

Granted: December 10, 2024
Patent Number: 12163888
Apparatus and methods for analyzing single molecule and performing nucleic acid sequencing. An apparatus can include an assay chip that includes multiple pixels with sample wells configured to receive a sample, which, when excited, emits emission energy; at least one element for directing the emission energy in a particular direction; and a light path along which the emission energy travels from the sample well toward a sensor. The apparatus also includes an instrument that interfaces…