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PART 1Executive Overview
1Definition

Photonic Quantum Computing is a variant of quantum computing that uses individual particles of light (photons) as qubits instead of superconducting circuits or trapped ions.

Category
Quantum
Best use
Room-temperature qubits, networked quantum computing research
Stage
LAB
2Problem It Solves

Traditional computing faces limitations with certain complex problems, such as large-scale optimization or simulating quantum systems. Photonic quantum computers offer a potential solution by leveraging the unique properties of photons for efficient computation at scale.

3Lifecycle / Journey Stage
lab
PART 2Technical & Manufacturing
4How It Works

In photonic quantum computers, information is encoded in the state of photons. These states are manipulated using programmable interferometers to create entangled photon pairs on demand. The computation process involves routing these photons through a network of optical elements and measuring their final state to extract computational results.

5Materials Used
6Manufacturing / Creation Process

The manufacturing process involves creating and manipulating individual photons using precise optical components like waveguides, mirrors, and beam splitters. These components are often fabricated using semiconductor or nanophotonic techniques.

7Build Process

Building a photonic quantum computer requires setting up an array of optical elements to route and manipulate photons. This includes generating squeezed-light states, routing them through interferometers, and measuring the final state to extract computational results.

PART 3Market & Industry
9Companies Involved
PsiQuantumXanadu

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10Estimated Costs

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11Case Studies

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PART 4Academic References
12Scientific Papers / White Papers

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13Patents

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14Glossary
squeezed-light states
A state of light where the quantum fluctuations are reduced in some quadratures, allowing for more precise measurements and manipulation.
programmable interferometers
Optical devices that can dynamically route and manipulate photons to create specific entangled states for computation.
entanglement
A quantum phenomenon where the state of one particle is directly related to another, even when separated by large distances. This property is crucial for quantum computing as it allows for parallel processing and superposition.
15References

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