System and Method for Quantum Key Distribution
Granted: February 22, 2024
Application Number:
20240064010
A system for quantum key distribution includes a first data processing device; a second data processing device; and a transmission line extending between the first data processing device and the second data processing device. The transmission line comprises an inner optical fiber, a shielding layer surrounding the inner optical fiber, and an outer optical fiber surrounding the shielding layer. The first data processing device and the second data processing device are configured to…
APPARATUS AND METHODS FOR GENERATING NON-GAUSSIAN STATES FROM GAUSSIAN STATES
Granted: February 15, 2024
Application Number:
20240053615
An apparatus includes an optical circuit having at least one reconfigurable beamsplitter and is configured to receive a plurality of input optical modes in a Gaussian state and generate a plurality of output optical modes. The apparatus also includes at least one detector optically coupled with the optical circuit and configured to perform a non-Gaussian measurement of a first output optical mode from the plurality of output optical modes. The non-Gaussian measurement of the first output…
INTEGRATED CIRCUIT WITH SEQUENTIALLY-COUPLED CHARGE STORAGE AND ASSOCIATED TECHNIQUES
Granted: February 8, 2024
Application Number:
20240044703
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…
INTEGRATED CIRCUIT WITH SEQUENTIALLY-COUPLED CHARGE STORAGE AND ASSOCIATED TECHNIQUES
Granted: February 8, 2024
Application Number:
20240044703
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…
LABELED NUCLEOTIDE COMPOSITIONS AND METHODS FOR NUCLEIC ACID SEQUENCING
Granted: February 1, 2024
Application Number:
20240035081
Methods of sequencing molecules based on luminescence lifetimes and/or intensities are provided. In some aspects, methods of sequencing nucleic acids involve determining the luminescence lifetimes, and optionally luminescence intensities, of a series of luminescently labeled nucleotides incorporated during a nucleic acid sequencing reaction. In some aspects, the disclosure provides compositions comprising luminescently labeled nucleotides.
SUPERCONDUCTING QUANTUM CHIP STRUCTURE AND FABRICATION METHOD FOR SUPERCONDUCTING QUANTUM CHIP
Granted: February 1, 2024
Application Number:
20240037438
Disclosed are a superconducting quantum chip structure and a fabrication method for a superconducting quantum chip. The superconducting quantum chip structure includes a first structural member, a second structural member, and a support and connection member, where the first structural member is provided with a qubit, a read cavity, and a first connection terminal, the qubit is coupled to the read cavity, and the qubit is electrically connected to the first connection terminal; the…
METHOD AND DEVICE FOR CONSTRUCTING QUANTUM CIRCUIT OF QRAM ARCHITECTURE, AND METHOD AND DEVICE FOR PARSING QUANTUM ADDRESS DATA
Granted: February 1, 2024
Application Number:
20240037433
Disclosed are a method and device for constructing a quantum circuit of a QRAM architecture, the QRAM architecture being configured for accessing data and being a binary tree structure, the method including: partitioning the binary tree structure into basic circuit structures, wherein a basic circuit structure comprises address bits and data bits of one subtree node and data bits of two child nodes in the lower layer of the one subtree node; determining qubits required for a basic…
Detecting Radio Frequency Electromagnetic Radiation Using Vapor Cell Sensors and Comb Spectra
Granted: February 1, 2024
Application Number:
20240036094
In a general aspect, radio frequency (RF) electromagnetic radiation can be detected using vapor cell sensors. In some aspects, a system includes a laser system that is configured to generate laser signals that comprise first and second laser signals. The system also includes an optical comb generator and a vapor cell sensor. The optical comb generator is configured to generate a comb spectrum based on the first laser signal. The comb spectrum includes comb lines at respective comb…
SUPERCONDUCTING QUANTUM CHIP STRUCTURE AND FABRICATION METHOD FOR SUPERCONDUCTING QUANTUM CHIP
Granted: February 1, 2024
Application Number:
20240037438
Disclosed are a superconducting quantum chip structure and a fabrication method for a superconducting quantum chip. The superconducting quantum chip structure includes a first structural member, a second structural member, and a support and connection member, where the first structural member is provided with a qubit, a read cavity, and a first connection terminal, the qubit is coupled to the read cavity, and the qubit is electrically connected to the first connection terminal; the…
METHOD AND DEVICE FOR CONSTRUCTING QUANTUM CIRCUIT OF QRAM ARCHITECTURE, AND METHOD AND DEVICE FOR PARSING QUANTUM ADDRESS DATA
Granted: February 1, 2024
Application Number:
20240037433
Disclosed are a method and device for constructing a quantum circuit of a QRAM architecture, the QRAM architecture being configured for accessing data and being a binary tree structure, the method including: partitioning the binary tree structure into basic circuit structures, wherein a basic circuit structure comprises address bits and data bits of one subtree node and data bits of two child nodes in the lower layer of the one subtree node; determining qubits required for a basic…
Detecting Radio Frequency Electromagnetic Radiation Using Vapor Cell Sensors and Comb Spectra
Granted: February 1, 2024
Application Number:
20240036094
In a general aspect, radio frequency (RF) electromagnetic radiation can be detected using vapor cell sensors. In some aspects, a system includes a laser system that is configured to generate laser signals that comprise first and second laser signals. The system also includes an optical comb generator and a vapor cell sensor. The optical comb generator is configured to generate a comb spectrum based on the first laser signal. The comb spectrum includes comb lines at respective comb…
LABELED NUCLEOTIDE COMPOSITIONS AND METHODS FOR NUCLEIC ACID SEQUENCING
Granted: February 1, 2024
Application Number:
20240035081
Methods of sequencing molecules based on luminescence lifetimes and/or intensities are provided. In some aspects, methods of sequencing nucleic acids involve determining the luminescence lifetimes, and optionally luminescence intensities, of a series of luminescently labeled nucleotides incorporated during a nucleic acid sequencing reaction. In some aspects, the disclosure provides compositions comprising luminescently labeled nucleotides.
INTERFEROMETER FILTERS WITH PARTIAL COMPENSATION STRUCTURE
Granted: January 25, 2024
Application Number:
20240027179
A Mach-Zehnder interferometer (MZI) filter comprising one or more passive compensation structures are described. The passive compensation structures yield MZI filters that are intrinsically tolerant to perturbations in waveguide dimensions and/or other ambient conditions. The use of n+1 waveguide widths can mitigate n different sources of perturbation to the filter. The use of at least three different waveguide widths for each Mach-Zehnder waveguide can alleviate sensitivity of filter…
QUANTUM KEY DISTRIBUTION DEVICE AND METHOD SUITABLE FOR ESTABLISHING A GLOBAL QUANTUM KEY DISTRIBUTION NETWORK
Granted: January 25, 2024
Application Number:
20240031139
A quantum key distribution device comprises an input signal path receiving a plurality of optical input signals from a transmitter device, an output signal path connected to the input signal path at a first end and emitting a plurality of first optical output signals at a second end, and a detector signal path connected to the input signal path at a third end and comprising a photon detector device at a fourth end opposite to the third end. The photon detector detects optical input…
INTERFEROMETER FILTERS WITH PARTIAL COMPENSATION STRUCTURE
Granted: January 25, 2024
Application Number:
20240027179
A Mach-Zehnder interferometer (MZI) filter comprising one or more passive compensation structures are described. The passive compensation structures yield MZI filters that are intrinsically tolerant to perturbations in waveguide dimensions and/or other ambient conditions. The use of n+1 waveguide widths can mitigate n different sources of perturbation to the filter. The use of at least three different waveguide widths for each Mach-Zehnder waveguide can alleviate sensitivity of filter…
COUPLED RESONATOR PHOTON-PAIR SOURCES
Granted: January 25, 2024
Application Number:
20240027872
Techniques disclosed herein relate to photon sources with high spectral purity and high brightness. In one embodiment, a photon-pair source includes a pump waveguide, a first resonator coupled to the pump waveguide to couple pump photons from the pump waveguide into the first resonator, a second resonator coupled to the first resonator, and an output waveguide coupled to the second resonator. The second resonator is configured to convert the pump photons into photon pairs. The second…
INTERFACES, SYSTEMS AND APPARATUSES FOR CONSTRUCTING 3D AR ENVIRONMENT OVERLAYS, AND METHODS FOR MAKING AND USING SAME
Granted: January 25, 2024
Application Number:
20240029432
Systems, apparatuses, interfaces, and methods for implementing the systems, apparatuses, and interfaces include capturing an image, displaying the image on a display devise, scanning and identifying objects and/or attributes associated with the image and/or objects therein, generating a 3D AR environment within the display overlaid on the image, generating a ray pointer for improved interaction with the image and the generated 3D AR environment, where the environment includes virtual…
QUANTUM KEY DISTRIBUTION DEVICE AND METHOD SUITABLE FOR ESTABLISHING A GLOBAL QUANTUM KEY DISTRIBUTION NETWORK
Granted: January 25, 2024
Application Number:
20240031139
A quantum key distribution device comprises an input signal path receiving a plurality of optical input signals from a transmitter device, an output signal path connected to the input signal path at a first end and emitting a plurality of first optical output signals at a second end, and a detector signal path connected to the input signal path at a third end and comprising a photon detector device at a fourth end opposite to the third end. The photon detector detects optical input…
INTERFACES, SYSTEMS AND APPARATUSES FOR CONSTRUCTING 3D AR ENVIRONMENT OVERLAYS, AND METHODS FOR MAKING AND USING SAME
Granted: January 25, 2024
Application Number:
20240029432
Systems, apparatuses, interfaces, and methods for implementing the systems, apparatuses, and interfaces include capturing an image, displaying the image on a display devise, scanning and identifying objects and/or attributes associated with the image and/or objects therein, generating a 3D AR environment within the display overlaid on the image, generating a ray pointer for improved interaction with the image and the generated 3D AR environment, where the environment includes virtual…
COUPLED RESONATOR PHOTON-PAIR SOURCES
Granted: January 25, 2024
Application Number:
20240027872
Techniques disclosed herein relate to photon sources with high spectral purity and high brightness. In one embodiment, a photon-pair source includes a pump waveguide, a first resonator coupled to the pump waveguide to couple pump photons from the pump waveguide into the first resonator, a second resonator coupled to the first resonator, and an output waveguide coupled to the second resonator. The second resonator is configured to convert the pump photons into photon pairs. The second…
