Apparatus and methods for quantum key distribution

D Bunandar, NC Harris, DR Englund - US Patent 10,158,481, 2018 - Google Patents
Abstract Systems, apparatus, and methods using an integrated photonic chip capable of
operating at rates higher than a Gigahertz for quantum key distribution are disclosed. The …

Quantum computers having partial interferometric quantum gates

P Bonderson, MH Freedman - US Patent 9,256,834, 2016 - Google Patents
(57) ABSTRACT A quantum computer may include topologically protected quantum gates
and non-protected quantum gates, which may be applied to topological qubits. The non …

All optical fast fourier transform on chip with heating tunability design, simulation, fabrication, and performance analysis

H Nejadriahi - 2017 - search.proquest.com
This thesis explores fundamentals of optical computing by means of fast Fourier transform
Integration on Silicon On Insulator chip technology toward its implementation in analog and …

Integrated photonics source and detector of entangled photons

C Fertig, MW Puckett, S Tin - US Patent 11,079,542, 2021 - Google Patents
Abstract Systems and methods for an integrated photon source and detector of entangled
photons are provided. In certain embodiments, a system includes a first waveguide layer …

Integrated photonics mode splitter and converter

MW Puckett, C Fertig, S Tin - US Patent 11,320,720, 2022 - Google Patents
Abstract Systems and embodiments for an integrated photonics mode splitter and converter
are provided herein. In certain embodiments, a system includes a substrate having a first …

Integrated quantum information processing controlled phase gate

RS Kim, AA Szep, ML Fanto, PM Alsing… - US Patent …, 2020 - Google Patents
An electro-optical directional coupler is provided having a substrate and a first and second
optical waveguide formed on the substrate, where the second waveguide extends adjacent …

Bell state measurement

D Bitauld, E Martin-lopez - US Patent 10,805,011, 2020 - Google Patents
According to an example aspect of the present invention, there is provided an apparatus
comprising a first and a second polarization beam splitter-rotator (140, 142), together …

Integrated photonics vertical coupler

MW Puckett, S Tin, C Fertig - US Patent 11,199,661, 2021 - Google Patents
Systems and methods for an integrated photonics vertical coupler are provided herein. In
certain embodiments, a device includes a first waveguide having a first photon and a second …

Photonic quantum computation with dirty photons

G Semo, O Melamed, D Charash… - US Patent …, 2024 - Google Patents
Abstract Systems and methods for generating photonic graph states for quantum computing
include coupling a quantum emitter to a cavity, generating a first dirty photon having a first …

N-configuration resonator-coupled quantum emitter

G Semo, O Melamed, D Charash… - US Patent …, 2025 - Google Patents
A quantum computing system, method, and computer readable medium involves initializing
a state of a resonator-coupled quantum emitter having at least four levels arranged in an N …