Quantum Patent Grants

One-time-pad encryption system and methods

Granted: March 8, 2022
Patent Number: 11271724
One-time-pad (OTP) encryption systems and methodologies are resistant to cracking, even by advanced quantum computers. In contrast to some purported solutions, the required elements of an unbreakable OTP system are preserved under Claude Shannon's mathematical proof. In alternative embodiments, the invention uses a secure network to reconstitute blockchain systems without the use of asymmetric encryption. Described extensions of these block chain systems are described which enable an…

Methods and devices for decoding quantum states

Granted: March 1, 2022
Patent Number: 11263076
A method and a device for correcting quantum state information are disclosed. A decoder receives information identifying syndrome values for a plurality of entangled qubit states represented by a graph state with a respective edge of the graph state corresponding to a respective qubit state of the plurality of entangled qubit states. The decoder repeats identifying one or more clusters of qubit states and/or syndrome states in the graph state until all of the one or more identified…

Photonic multiplexer for single-photon sources

Granted: March 1, 2022
Patent Number: 11262505
A device includes a plurality of photon sources coupled to a plurality of output terminals. The plurality of photon sources are coupled together, by a first switch layer, into a plurality of photon source groups. The first switch layer comprises a plurality of switches. The device further includes a second switch layer coupled to output terminals of the first switch layer. The second switch layer includes a plurality of second layer n-by-n switches and a plurality of second layer l-by-l…

Amplifying, generating, or certifying randomness

Granted: February 22, 2022
Patent Number: 11256477
A security test logic system can include a non-transitory memory configured to store measurements from a measurement apparatus, the measurement outputs comprising indications of presence or absence of coincidences where particles are detected at more than one detector at substantially the same time, the detectors being at the end of different channels from a particle source and having substantially the same length. The system can include a processor configured to compute a test statistic…

Methods for controlling an electric device using a control apparatus

Granted: February 22, 2022
Patent Number: 11256337
Methods of controlling objects using an apparatus including a motion sensor and a processing unit and include sensing motion, converting the motion into a command function and processing the command function based on the sensed motion.

Active photonic devices with enhanced Pockels effect via isotope substitution

Granted: February 22, 2022
Patent Number: 11256115
A waveguide structure includes a substrate, a waveguide core coupled to the substrate and including a first material characterized by a first index of refraction, and an isotope-enhanced 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 an isotope-enhanced Pockels effect.

Object synthesis

Granted: February 15, 2022
Patent Number: 11249665
Apparatus, methods, and other embodiments associated with object synthesis are described. One example apparatus includes logic for identifying a block in a data de-duplication repository and for identifying a reference to the block. The apparatus also includes logic for representing a source object using a first named, organized collection of references to blocks in the data de-duplication repository and logic for representing a target object using a second named, organized collection of…

Compact beam shaping and steering assembly

Granted: February 15, 2022
Patent Number: 11249318
Apparatus and methods for coupling an optical beam from an optical source to a hi-tech system are described. A compact, low-cost beam-shaping and steering assembly may be located between the optical source and hi-tech system and provide automated adjustments to beam parameters such as beam position, beam rotation, and beam incident angles. The beam-shaping and steering assembly may be used to couple an elongated beam to a plurality of optical waveguides.

Plant for the production of corrugated cardboard

Granted: February 8, 2022
Patent Number: 11241859
A plant (10) for the production of corrugated cardboard comprising: a corrugating unit (36) adapted to produce containerboard, and a double baker (60) adapted to receive the containerboard. The corrugating unit (36) is positioned in proximity to an output end (66) of the double baker (60). The plant (10) further comprises a transfer unit (72) adapted to receive the containerboard and move it. The transfer unit (72) comprising: an input end (722) for the containerboard positioned in…

System and method for biometric identification

Granted: February 1, 2022
Patent Number: 11238304
The present invention relates to a method for generating a biometric signature of a subject comprising: obtaining a plurality of sequential video frame images of a moving subject from a video segment; obtaining a portion of each frame comprising a surrounding of the moving subject; carrying out a transformation function to the frequency domain on one or more of said portions of the frames comprising a surrounding of a of the subject; and optionally saving the spectral characteristics of…

Optical rejection photonic structures using two spatial filters

Granted: February 1, 2022
Patent Number: 11237326
An integrated device and related instruments and systems for analyzing samples in parallel are described. The integrated device may include sample wells arranged on a surface of where individual sample wells are configured to receive a sample labeled with at least one fluorescent marker configured to emit emission light in response to excitation light. The integrated device may further include photodetectors positioned in a layer of the integrated device, where one or more photodetectors…

Treating a silicon on insulator wafer in preparation for manufacturing an atomistic electronic device interfaced with a CMOS electronic device

Granted: January 25, 2022
Patent Number: 11232976
A method for treating a wafer is provided with a portion of a semiconductor layer is selectively removed from the wafer so as to create an inactive region of the wafer surrounding a first active region of the wafer. The inactive region of the wafer has an exposed portion of an insulator layer, but none of the semiconductor layer. The first active region of the wafer includes a first portion of the semiconductor layer and a first portion of the insulator layer. At least one conductor is…

Document capture using client-based delta encoding with server

Granted: January 25, 2022
Patent Number: 11232253
When different client devices request the same document, most of content of the response from the server (i.e. the response document from a web server) will be the same. Embodiments allow the client devices to use fingerprints, i.e. hashes, sent by a capture system to pinpoint only the changing portions of the document instead of sending the entire document. In various embodiments, the client compares client-generated fingerprints for the document with capture system-generated…

Systems, apparatuses, interfaces and implementing methods for displaying and manipulating temporal or sequential objects

Granted: January 18, 2022
Patent Number: 11226714
Systems, apparatuses, interfaces, and methods for visualizing time progressions in VR/AR/MR/XR environments, wherein the systems include a processing unit or a processor, a display device, and at least one VR/AR/MR/XR input device, wherein the systems, apparatuses, interfaces, and methods display projects or structures that have tasks, goals, targets, and/or events that have or will occur in a given time sequence along a time line, wherein the systems and methods also display a selection…

Method and system for formation of stabilized tetragonal barium titanate

Granted: January 18, 2022
Patent Number: 11226507
An electro-optic device includes a substrate and a waveguide on the substrate. The waveguide includes a layer stack including a plurality of electro-optic material layers interleaved with a plurality of interlayers, a waveguide core adjacent to the layer stack, a waveguide cladding layer, and a pair of electrodes in electrical contact with the plurality of electro-optic material layers. The plurality of interlayers maintains a first lattice structure at room temperature and a cryogenic…

Photonic structures and integrated device for detecting and analyzing molecules

Granted: January 18, 2022
Patent Number: 11226290
System and methods for analyzing single molecules and performing nucleic acid sequencing. An integrated device may include multiple pixels with sample wells configured to receive a sample, which when excited, emits radiation. The integrated device includes a surface having a trench region recessed from a portion of the surface and an array of sample wells, disposed in the trench region. The integrated device also includes a waveguide configured to couple excitation energy to at least one…

Substrates having modified surface reactivity and antifouling properties in biological reactions

Granted: January 18, 2022
Patent Number: 11224878
Methods of preparing surfaces of sample wells are provided. In some aspects, methods of preparing a sample well surface involve contacting the sample well with a block copolymer to form an antifouling overlay over a metal oxide surface of the sample well. In some aspects, methods of passivating and/or selectively functionalizing a sample well surface are provided.

Apparatuses for selection objects in Virtual or Augmented Reality environments

Granted: January 11, 2022
Patent Number: 11221748
Systems, interfaces, and methods for implementing the systems and interfaces include a dynamic environment generation subsystem that changes objects and subobjects based on locations of the motion sensors and/or the nature, time and/or location of sensed motion and include selection attractive movement as the selection protocol, where a selection object is used to discriminate between selectable objects and attract a target object toward the selection objects, where the direction and…

Specially formatted tape drive for enabling improved performance capabilities in multi-partition magnetic tape

Granted: January 11, 2022
Patent Number: 11222659
A magnetic tape drive for writing data to a magnetic tape that includes a first data band, a second data band, and a servo band that is positioned between the first data band and the second data band, each of the data bands including a plurality of wraps including a first wrap and a last wrap, includes a drive controller and a tape head. The drive controller defines at least a first partition and a second partition within the magnetic tape. The tape head is configured to write data to…

Method and system for generating quantum bit control signal

Granted: January 11, 2022
Patent Number: 11222280
The present disclosure provides a method and a system for generating a quantum bit control signal. The method includes: receiving a first tag code and a first standard signal corresponding to each basic quantum logic gate in a set of reference quantum gates from a master computer; storing the first standard signal, and obtaining a first address code identifying a storage location of the first standard signal; receiving a target tag code and a target time code corresponding to each basic…