Quantum Patent Grants

Methods and systems for hotspot detection

Granted: October 4, 2022
Patent Number: 11461901
Methods and systems for monitoring an industrial process are disclosed. Some aspects of the system arrange multiple imaging sensors to image machinery associated with an industrial process. Regions of interest within images acquired by the multiple imaging sensors may be monitored for abnormal thermal conditions, and alerts generated as needed. Alerts may also be generated if temperatures within a region of interest exceed thresholds associated with that region of interest. Each region…

Apparatus and methods for spatio-temporal implementation of arbitrary unitary transformations on optical modes

Granted: September 27, 2022
Patent Number: 11454862
An apparatus includes a plurality of interconnected reconfigurable beam splitters and a plurality of phase shifters collectively configured to define a network of optical devices. The network of optical devices is configured to perform a universal transformation on a plurality of input optical signals via a triangular architecture. The apparatus also includes a first delay line optically coupled to the network of optical devices and configured to send at least one output optical signal…

Optical microdisks for integrated devices

Granted: September 27, 2022
Patent Number: 11454758
Apparatus and methods for improving optical signal collection in an integrated device are described. A microdisk can be formed in an integrated device and increase collection and/or concentration of radiation incident on the microdisk and re-radiated by the microdisk. An example integrated device that can include a microdisk may be used for analyte detection and/or analysis. Such an integrated device may include a plurality of pixels, each having a reaction chamber for receiving a sample…

Ligase fusion proteins and application thereof

Granted: September 27, 2022
Patent Number: 11453870
The present disclosure relates to the field of biotechnology. In particular, provided are a ligase fusion protein and an immobilized ligase comprising the same. Also provided is use of the ligase fusion protein or the immobilized ligase in the preparation of conjugates. Further provided is a process for the preparation of conjugates using a ligase or a ligase unit.

Solid electrolyte separator bonding agent

Granted: September 20, 2022
Patent Number: 11450926
Set forth herein are electrochemical cells which include a negative electrode current collector, a lithium metal negative electrode, an oxide electrolyte membrane, a bonding agent layer, a positive electrode, and a positive electrode current collector. The bonding agent layer advantageously lowers the interfacial impedance of the oxide electrolyte at least at the positive electrode interface and also optionally acts as an adhesive between the solid electrolyte separator and the positive…

Viewing lens and method for treating lenses to minimize glare and reflections for birds with tetra-chromatic vision

Granted: September 20, 2022
Patent Number: 11448797
A viewing lens and method for treating lenses to minimize glare and reflections for birds with tetra-chromatic vision. The anti-reflection lens is treated to with a coating on the surface. The coating is configured to enable the lens surface to be less perceptible to a bird with tetra-chromatic vision by reducing reflections therefrom. The lens treatment includes applying an anti-reflective coating in multiple coats. The coats comprise an adhesion composition, a low index composition…

Bidirectional sensor circuit

Granted: September 20, 2022
Patent Number: 11448667
A bidirectional sensor circuit includes a sensing impedance with first and second terminals; a first operational amplifier which non-inverting input is connected to the first terminal and its inverting input is connected to the second terminal; a second operational amplifier with the non-inverting input connected to the second terminal and its inverting input is connected to the first terminal; a first diode with the anode connected to the inverting input of the first operational…

Quantum printing apparatus and method of using same

Granted: September 20, 2022
Patent Number: 11447860
The invention includes apparatus and methods for instantiating and quantum printing materials, such as elemental metals, in a nanoporous carbon powder.

Cascaded resonators photon pair source

Granted: September 13, 2022
Patent Number: 11442334
A photon source includes a bus waveguide, a photon source pump laser coupled to the bus waveguide and a plurality of optical resonators coupled to the bus waveguide. Each optical resonator of the plurality of optical resonators has a respective resonance line width and a respective resonance frequency, wherein a bandwidth of the resonant center frequencies of the plurality of optical resonators is greater than a bandwidth of the photon source pump laser. The bus waveguide produces…

Quantum tokens

Granted: September 13, 2022
Patent Number: 11444757
Secure, semi-classical authentication schemes are presented. An authentication token is generated by applying a pre-determined measurement to a plurality of random quantum states to obtain a sequence of classical measurement outcomes. The token is validated by receiving the classical measurement outcomes and verifying whether the sequence corresponds to a statistically plausible result for the pre-determined measurement of the plurality of quantum states.

Superconducting nanowire single photon detector and method of fabrication thereof

Granted: September 13, 2022
Patent Number: 11441941
A superconductor device is manufactured by depositing a barrier layer over a substrate including silicon, the barrier layer including silicon and nitrogen; depositing a seed layer for a superconductor layer over the barrier layer, the seed layer including aluminum and nitrogen; depositing the superconductor layer over the seed layer, the superconductor layer including a layer of a superconductor material, the barrier layer serving as an oxidation barrier between the layer superconductor…

Machine learning mapping for quantum processing units

Granted: September 6, 2022
Patent Number: 11436519
Some embodiments include a process, including obtaining, with a classical computer system, a mathematical problem to be solved by a quantum computing system, wherein: the quantum computing system comprises one or more quantum computers, the mathematical problem involves more variables than any of the one or more quantum computers have logical qubits, and solving the mathematical problem entails determining values of the variables; decomposing, with the classical computer system, the…

Increasing the measurement precision of optical instrumentation using Kalman-type filters

Granted: September 6, 2022
Patent Number: 11435234
In a general aspect, a method is presented for increasing the measurement precision of an optical instrument. The method includes determining, based on optical data and environmental data, a measured value of an optical property measured by the optical instrument. The optical instrument includes an optical path and a sensor configured to measure an environmental parameter. The method also includes determining a predicted value of the optical property based on a model representing time…

Optically deriving information from a security element

Granted: May 10, 2022
Patent Number: 11328193
According to a first aspect of the invention, there is provided a method of deriving information from an optically readable security element, the method comprising: optically reading the optically readable security element, the optically readable security element comprising one or more optically readable structures, optically readable in response to excitation of the one or more optically readable structures, the one or more optically readable structures being arranged to interact with…

Techniques for monitoring user interactions and operation of a website to detect frustration events

Granted: May 10, 2022
Patent Number: 11327822
Techniques are disclosed for monitoring operation of and/or interaction with a website to detect events (“frustration events”). In at least one embodiment, a detection system is disclosed that can monitor a website for the same or unrelated interaction and operation to detect events that affect the performance of a website, while contributing to the frustration of user interaction with the website. The detection system can monitor interaction with and/or operation of one or more…

Compact mode-locked laser module

Granted: May 3, 2022
Patent Number: 11322906
Apparatus and methods for producing ultrashort optical pulses are described. A high-power, solid-state, passively mode-locked laser can be manufactured in a compact module that can be incorporated into a portable instrument. The mode-locked laser can produce sub-50-ps optical pulses at a repetition rates between 200 MHz and 50 MHz, rates suitable for massively parallel data-acquisition. The optical pulses can be used to generate a reference clock signal for synchronizing data-acquisition…

Sample well fabrication techniques and structures for integrated sensor devices

Granted: May 3, 2022
Patent Number: 11322413
Methods of forming an integrated device, and in particular forming one or more sample wells in an integrated device, are described. The methods may involve forming a metal stack over a cladding layer, forming an aperture in the metal stack, forming first spacer material within the aperture, and forming a sample well by removing some of the cladding layer to extend a depth of the aperture into the cladding layer. In the resulting sample well, at least one portion of the first spacer…

System and method for autonomous scanning probe microscopy with in-situ tip conditioning

Granted: May 3, 2022
Patent Number: 11320455
A method for assessing the quality of a tip of a scanning probe microscope (SPM) includes recording an SPM image, extracting a plurality of images of dangling bonds from the SPM image, feeding the extracted images of dangling bonds into a convolution neural network one image at a time, analyzing each of the plurality of images of dangling bonds using the convolution neural network, assigning each of the plurality of images of dangling bonds one of a sharp tip status or a double tip…

MEMS-based 3D ion trapping device for using laser penetrating ion trapping structure, and method for manufacturing same

Granted: April 26, 2022
Patent Number: 11315773
An ion trap device is disclosed with a method of manufacturing thereof including a substrate, first and second RF electrode rails, first and second DC electrodes on either upper or lower side of substrate, and a laser penetration passage connected to ion trapping zone from outer side of the first or second side of substrate. The substrate includes ion trapping zone in space defined by first and second sides of substrate separated by a distance with reference to width direction of ion…

Optical interferometer apparatus and method

Granted: April 26, 2022
Patent Number: 11316675
There is presented optical interferometer apparatus for generating at least a first and a second state for each of at least two different quantum cryptographic basis sets and associated methods for operating the apparatus. First and a second interferometer arm paths and at least two interferometer output paths are provided. Each of the first and second interferometer arm paths; and the first and second optical output paths comprises a controllable phase modulator for controllably…