Asianometry Quantum Compute with Single Photons
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Apr 24, 2025 Dive into the fascinating world of quantum computing with single photons. Learn how PsiQuantum is innovating by using photons instead of traditional qubits. Explore the complexities of quantum entanglement and the remarkable photon detection technologies that are shaping the future. Discover advancements in photonic quantum computing across the globe, with highlights from Europe and China. Delve into the potential and limitations of this cutting-edge technology as it coexists with classical computing.
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Quantum Qubits and Superposition
- Qubits can exist as superpositions of 0 and 1 simultaneously, unlike classical bits.
- Measuring a qubit collapses its state to either 0 or 1, a fundamental quantum behavior.
Challenges of Matter-Based Qubits
- Matter-based qubits like trapped ions and superconducting circuits are delicate and require intense cooling.
- They interact with the environment, causing noise and decoherence, challenging scalability of quantum computers.
Strengths and Weaknesses of Photonic Qubits
- Photonic qubits resist environmental noise and decoherence due to their lack of mass.
- However, photons do not naturally interact, making entanglement and two-qubit gates a significant challenge.