🚀 Day 3 of My Quantum Computing Journey – Phase 2 (WISER Program) Today’s session by Dr. Stefan Seegerer took things to the next level, focusing on multi-qubit systems and the power of entanglement. 📌 Today I learned: • Introduction to two-qubit gates and how they enable interaction between qubits • Understanding the CNOT gate – a fundamental gate for creating entanglement • How entanglement is generated and manipulated using quantum circuits • Concept of GHZ state and its importance in multi-qubit entangled systems • Difference between single-qubit and multi-qubit operations • How entanglement leads to correlations that are not possible in classical systems 💡 What stood out to me is how entanglement scales from 2 qubits to multiple qubits, opening doors to powerful quantum algorithms and complex systems. This session really helped me understand the building blocks behind quantum algorithms and quantum communication. Excited to explore how these concepts are applied in real quantum circuits and algorithms in the coming days 🚀 #QuantumComputing #Entanglement #GHZState #QuantumGates #LearningJourney #WISER #QuantumTech #FutureTechnology

April 14th (or 4.14, the first digits of Planck's constant) is World Quantum Day: a reminder of how far quantum has come, and how much further it will take us. At Infleqtion, we're committed to the global community of scientists, engineers, and technologists working to move quantum toward real-world impact. From quantum computing and sensing to timing and security, the work happening across this ecosystem is redefining what humanity can measure, compute, and make possible. Happy World Quantum Day to our employees, partners, and all the innovators that are pushing this field forward. Visit infleqtion.com to learn more about Infleqtion's leadership in neutral-atom quantum technology. #WorldQuantumDay #QuantumComputing #QuantumTechnology #Infleqtion

Celebrating World Quantum Day 💫 What does it take to build the future of quantum communications? ORNL research scientist Joseph Chapman explains how quantum communications enables connections between quantum computers and sensors by preserving fragile properties like entanglement and superposition. At Oak Ridge National Laboratory, researchers are moving this technology beyond the lab, demonstrating quantum networking over real-world fiber infrastructure and expanding to include free-space links for longer-distance communication. Learn more https://lnkd.in/gvfmYYgS #WorldQuantumDay #BigScience #QuantumComputing

PhotonDelta congratulates QuiX Quantum, who have demonstrated “below-threshold error mitigation” for the first time on a photonic chip-based quantum computer, suppressing physical qubit errors to levels compatible with scalable, fault-tolerant quantum computing. By suppressing physical qubit errors to levels compatible with large-scale systems, this breakthrough also reduces system complexity and cost: ☑ 2.2× reduction in photon indistinguishability errors using a photon-distillation gate ☑ 1.2× net error reduction while maintaining overall system performance ☑ Up to 4× fewer photon sources per logical qubit when combined with quantum error correction Together, these results make photonic chip-based quantum systems more scalable, practical, and cost-efficient. Dr.-Ing. Stefan Hengesbach, CEO at QuiX Quantum: "this is a foundational step that showcases European leadership in advancing photonic quantum computing towards powerful, large-scale systems." Well done to Stefan Hengesbach, Jelmer Renema and the entire QuiX team and collaborators for advancing photonic quantum computing further. Read more: https://bit.ly/4sgv3b4 #IntegratedPhotonics #PhotonicChips #QuantumComputing #QuantumTechnology #DeepTech

Alice & Bob has secured a $3.9 million award from the U.S. Department of Energy’s ARPA-E QC3 program to develop fault-tolerant quantum algorithms for discovering rare-earth-free permanent magnets, in collaboration with Los Alamos National Laboratory, GE Vernova Advanced Research, and Professor Emanuel Gull. Led by co-founders Théau Peronnin and Raphaël Lescanne, Alice & Bob is building fault-tolerant quantum computers based on cat qubits, a hardware-efficient architecture designed to cut the resources needed for large-scale quantum computing. More at: https://lnkd.in/eW__6A_B #QuantumComputing #DeepTech #ClimateTech #EnergyTransition

The Pauli-Z Gate is a fundamental single-qubit quantum gate that plays a crucial role in quantum computing. Represented by a diagonal matrix, it leaves the |0⟩ state unchanged while flipping the phase of the |1⟩ state (i.e., |1⟩ → −|1⟩). A simple yet powerful operation—highlighting how quantum computing leverages phase, not just amplitude, to process information. #QuantumComputing #QuantumMechanics #Qubits #PauliGates #QuantumGates #QuantumAlgorithms #QuantumPhysics #BlochSphere #PhaseFlip #QuantumTechnology #EmergingTech #DeepTech #STEM #Research #Innovation

Impossible just became reality: quantum teleportation is now achievable using normal internet cables within a 30km radius. This breakthrough allows quantum information, not matter itself, to be transmitted instantly across conventional fiber-optic networks, leveraging entangled particles for secure communication. Unlike classical data transfer, quantum teleportation uses the principles of entanglement and superposition, ensuring that information is perfectly preserved without copying or interference. Implementing teleportation on standard cables means quantum networks can expand faster and more efficiently, potentially enabling ultra-secure communications and distributed quantum computing on a large scale. This achievement demonstrates how quantum science is moving from lab experiments to real-world infrastructure, bringing futuristic technologies like teleportation closer to practical application than ever before. #quantum #physics #teleportation

Xanadu and ETRI Partner to Advance Software for Fault-Tolerant Quantum Computing Xanadu and Electronics and Telecommunications Research Institute (ETRI) have partnered on a two-year research initiative to advance software for fault-tolerant quantum computing, focusing on building the tools needed to design and execute complex quantum algorithms at scale. The collaboration aims to enhance software infrastructure, including resource estimation and optimization tools within platforms like PennyLane and Catalyst, enabling researchers to identify algorithmic bottlenecks and predict computational requirements before running them on hardware. This effort is expected to accelerate the development of scalable, distributed quantum computing systems and strengthen the broader quantum ecosystem. Read more - https://lnkd.in/g5dxpm2J #QuantumComputing #QuantumSoftware #FaultTolerant #Photonics

Quantum leap - IOWN meets quantum computing 🚀 Optical Quantum Computing: The Next Step Toward Quantum Advantage Optical quantum computers are emerging as a promising approach to overcome the scalability challenges of today’s quantum architectures. A recent interview highlights why photonic systems are gaining increasing attention. 🔑 Key takeaways: • Photons as Qubits Information is encoded in the states of individual photons—highly resistant to thermal noise and operable without cryogenic cooling. • Computation via Linear Optics & Measurement Quantum operations are realized through optical components combined with measurement-based approaches (MBQC)—simplifying hardware while shifting complexity to control logic. • Scalability through Cluster States Large entangled states enable sequential computation—offering a viable path toward scalable quantum systems. • Seamless Integration into Networks Photons are native carriers in fiber optics—ideal for distributed quantum computing and quantum networking. • Open Challenges Deterministic photon sources, efficient detection, and loss management remain key technical hurdles. 💡 Conclusion: Photonic quantum computing combines physical advantages with infrastructure compatibility, offering strong potential for scalable and efficient systems. Learn more from NTT R&D at https://lnkd.in/d7c8iTbT and watch the full interview with Vito Mabrucco from NTT at https://lnkd.in/dAFb9FWW #NTT #NTTRESEARCH #QuantumComputing #Photonics #Innovation #DeepTech #FutureTech #DigitalTransformation

Beyond the Laboratory: The Era of 1000-Qubit Quantum Computing Has Arrived For years, scaling neutral atom quantum computers was limited by a simple but stubborn problem: the vacuum. In standard room-temperature setups, stray gas molecules eventually collide with atoms, knocking them out of their traps and breaking the quantum state. This made reaching the "thousand-atom scale" feel like a distant dream. A groundbreaking new paper, "Defect-free arrays at the thousand-atom scale in a 4-K cryogenic environment" (arXiv:2604.07205), just changed the game. Pasqal CNRS By moving the entire optical tweezer setup into a 4-Kelvin cryogenic environment, researchers achieved a near-perfect vacuum. This extreme cold extends the lifetime of the atoms significantly, allowing enough time to rearrange over 1,000 atoms into perfect, defect-free grids. Why does this matter for the industry? Because quantum error correction requires scale. We are moving away from small-scale experiments toward robust, large-scale Quantum Processing Units (QPUs) capable of solving real-world problems in chemistry, logistics, and cryptography. We are no longer just talking about quantum advantage; we are building the hardware to sustain it. Are we witnessing the definitive move from NISQ to scalable fault-tolerant quantum computing? Share your thoughts below. #QuantumComputing #DeepTech #Innovation #Physics #FutureOfTech #QuantumScaling