Random number generator
AssigneeSamsung Electronics Co., Ltd.
InventorJaesoong Lee
Life of this patent
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Abstract
Provided is a random number generator including a single-photon emitter configured to emit single photons by pumping, a waveguide configured to guide the single photons emitted from the single-photon emitter to the inside of the waveguide, the waveguide including a first output terminal and a second output terminal that are respectively provided at both end portions of the waveguide, the single photons being output from the first output terminal and the second output terminal, and a first single-photon detector and a second single-photon detector respectively provided at the first output terminal and the second output terminal and configured to detect the single photons output from the first output terminal and the second output terminal, respectively.
Claims21
A random number generator comprising:
- a single-photon emitter configured to emit single photons by pumping;
- a waveguide configured to guide the single photons emitted from the single-photon emitter to the inside of the waveguide, the waveguide comprising a first output terminal and a second output terminal that are respectively provided at both end portions of the waveguide, the single photons being output from the first output terminal and the second output terminal;
- a first single-photon detector and a second single-photon detector respectively provided at the first output terminal and the second output terminal and configured to detect the single photons output from the first output terminal and the second output terminal, respectively;
- and
- a resonator configured to optically amplify the single photons emitted from the single-photon emitter, the resonator being provided between at a center of the waveguide between the first output terminal and the second output terminal.
A random number generator comprising:
- an electrical pumping source comprising a first electrode and a second electrode configured to apply an electrical field;
- a single-photon emitter configured to emit single photons by pumping of the electrical pumping source based on the electrical field applied;
- a waveguide configured to guide the single photons emitted from the single-photon emitter to the inside of the waveguide, the waveguide comprising a first output terminal and a second output terminal that are respectively provided at both end portions of the waveguide, the single photons being output from the first output terminal and the second output terminal;
- and
- a first single-photon detector and a second single-photon detector provided at the first output terminal and the second output terminal, respectively, and configured to detect the single-photons output from the first output terminal and the second output terminal, respectively,
- wherein the first electrode and the second electrode are provided on opposite surfaces of the waveguide, and
- wherein the single-photon emitter is provided inside of the waveguide and between the first electrode and the second electrode.
A random number generator comprising:
- a light source configured to emit light;
- a single-photon emitter comprising a quantum dot and configured to emit single photons based on the quantum dot being irradiated by the light emitted from the light source;
- a waveguide configured to guide the single photons emitted from the single-photon emitter toward one of a first output terminal and a second output terminal that are respectively provided at both end portions of the waveguide, the single photons being output from the first output terminal and the second output terminal;
- a first single-photon detector and a second single-photon detector provided at the first output terminal and the second output terminal, respectively, and configured to detect the single-photons output from the first output terminal and the second output terminal, respectively;
- and
- a resonator configured to optically amplify the single photons emitted from the single-photon emitter, the resonator being provided between at a center of the waveguide between the first output terminal and the second output terminal,
- wherein the single-photon emitter is provided on a surface of the resonator or inside of the resonator.
Dependencies are inferred from the claim text.