Clock generation for a photonic quantum computer
AssigneePsiquantum, Corp.
InventorAlbert Wang
Life of this patent
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Abstract
A system for generating clock signals for a photonic quantum computing system includes a first pump photon source, a first photon-pair source optically coupled to the first pump photon source, and a first photodetector optically coupled to the first photon-pair source. The system also includes a first clock generator electrically coupled to the first photodetector, a second pump photon source, a second photon-pair source optically coupled to the second pump photon source, and a second photodetector optically coupled to the second photon-pair source. The system further includes a second clock generator electrically coupled to the second photodetector and a clock mediator coupled to the first clock generator and the second clock generator.
Claims20
A system for generating clock signals for a photonic quantum computing system, the system comprising:
- a first pump photon source configured to generate a first plurality of first pump photon pulses at a first repetition rate;
- a first photon-pair source optically coupled to the first pump photon source;
- a first photodetector optically coupled to the first photon-pair source and configured to generate a second plurality of first electrical pulses in response to detection of at least a first portion of the first plurality of first pump photon pulses at the first repetition rate;
- a first clock generator electrically coupled to the first photodetector and configured to convert the second plurality of first electrical pulses into a third plurality of first clock signals at the first repetition rate;
- a second pump photon source configured to generate a fourth plurality of second pump photon pulses at a second repetition rate;
- a second photon-pair source optically coupled to the second pump photon source;
- a second photodetector optically coupled to the second photon-pair source and configured to generate a fifth plurality of second electrical pulses in response to detection of at least a second portion of the fourth plurality of second pump photon pulses at the second repetition rate;
- a second clock generator electrically coupled to the second photodetector and configured to convert the fifth plurality of second electrical pulses into a sixth plurality of second clock signals at the second repetition rate;
- and
- a clock mediator coupled to the first clock generator and the second clock generator and configured generate a plurality of master clock signals at a master repetition rate, wherein the plurality of master clock signals are generated based on the third plurality of first clock signals and the sixth plurality of second clock signals.
A method for generating clock signals for a photonic quantum computing system, the method comprising:
- generating, by a first pump photon source, a first plurality of first pump photon pulses at a first repetition rate;
- generating, by a first photodetector, a second plurality of first electrical pulses in response to detection of at least a first portion of the first plurality of first pump photon pulses at the first repetition rate;
- converting, by a first clock generator, the second plurality of first electrical pulses into a third plurality of first clock signals at the first repetition rate;
- generating, by a second pump photon source, a fourth plurality of second pump photon pulses at a second repetition rate;
- generating, by a second photodetector, a fifth plurality of second electrical pulses in response to detection of at least a second portion of the fourth plurality of second pump photon pulses at the second repetition rate;
- converting, by a second clock generator, the fifth plurality of second electrical pulses into a sixth plurality of second clock signals at the second repetition rate;
- and
- generating, by a clock mediator, a plurality of master clock signals at a master repetition rate, the plurality of master clock signals generated based on the third plurality of first clock signals and the sixth plurality of second clock signals.
Dependencies are inferred from the claim text.