#quantumsensing

[govindhtech]

Diamond Membranes Unlock Scalable Quantum Tech Potential

Diamond Membrane

Diamond Membranes Improve Device Manufacturing and Quantum Scalability.

A breakthrough diamond nanostructuring process from EPFL and Basel could revolutionise advanced device manufacturing and scalable quantum technologies. The study, “Homogeneous Free-Standing Nanostructures from Bulk Diamond over Millimetre Scales for Quantum Technologies,” examines the difficulties of manufacturing large-scale, high-precision diamond nanostructures. devices that process and store data using colour centres' quantum properties, such as nitrogen-vacancy (NV) centres.

Scalable quantum technology has long struggled with diamond structural issues. Conventional methods often degrade surfaces and prevent high aspect ratios and uniformity, which are necessary for reliable device functioning. Andrea Corazza, Silvia Ruffieux, Yuchun Zhu, Claudio A. Jaramillo Concha, Yannik Fontana, Christophe Galland, Richard J. Warburton, and Patrick Maletinsky demonstrate their photolithographic method for millimetre-scale atomically clean diamond membranes in the current work.

These Diamond Membranes and their 70-nanometer structural integrity make quantum devices strong and reliable. The membranes' low surface roughness (less than 200 picometres) and great uniformity set a new standard for diamond microfabrication.

This development is primarily due to DRIE technique advances. DRIE uses complicated pulsed gas chemistry for accurate, damage-reducing etching. The oxide layer is intentionally generated with oxygen, and argon is used as a sputtering gas to efficiently remove it and reveal fresh diamond for etching. Etching at 200°C retains diamond crystalline structure and removes defects. This is substantial progress. This combination of approaches produces high selectivity, cutting diamond faster than any surrounding material, ensuring robust and reliable microstructures.

The study team verified structure accuracy and quality using advanced characterisation methods. Atomic force microscopy (AFM) showed that the new DRIE approach reduced surface roughness, outperforming standard production methods. SEM visibly confirmed the etched structures and confirmed the creation of vast fields of free-standing photonic nanostructures and their required geometry. Photonic nanostructures are tiny systems designed to regulate light. These are essential for nanomechanical resonators and NV centres. Nanomechanical resonators detect force and mass. These structures' outstanding structural integrity and uniformity enable more advanced gadgets.

The researchers used a micromanipulation station, binary markers, and an enhanced photolithography-based technique to ensure unequalled control and characterisation during manufacture. Binary markers simplify platelet alignment and give topographical data for quality assurance during AFM experiments. However, the micromanipulation station allows “pick-and-place” transfer for heterogeneous integration–integrating many materials or parts into one device. This allows precise and easy creation of complex device topologies. This powerful combination of approaches creates strong, contamination-free structures suitable for nanomechanical devices, better communication technologies, and quantum sensing.

Major benefits of this new approach include enhanced scalability and compatibility with multiple integration strategies. The DRIE technique's ability to build large fields of free-standing photonic nanostructures validates its scalability and versatility, enabling quantum gadget mass manufacture. This technology is crucial for quickly developing and implementing next-generation quantum and nanomechanical systems because to its scalability and compatibility with several integration techniques.

Advanced quantum sensing applications, especially those using nitrogen-vacancy (NV) centres in diamond, require these meticulously constructed diamond structures. NV centres are diamond lattice point defects with quantum mechanical properties that can sense temperature, electric field, and magnetic field. Coherence duration, or how long quantum features may be kept, is critical to quantum sensor performance. Coherence times are hampered by diamond membrane surface defects. This innovative technique maximises NV centre performance by generating atomically smooth, defect-free surfaces, improving quantum sensing device sensitivity and reliability.

The research team plans to improve DRIE. Novel materials, methods, and more accurate and effective etching operations will be investigated to improve diamond microstructure quality and functioning. The researchers want to explore novel diamond microstructure applications in fast-growing fields including enhanced sensing,  quantum computing and creative energy storage. Diamond's potential to transform cutting-edge technology should be shown by this ongoing research.

[gis56]

⚛️💡 Quantum Semiconductor Boom: The Next Big Thing in Tech!

Quantum semiconductor materials are revolutionizing the future of high-performance computing by enabling the development of quantum processors, spintronic devices, and ultra-fast transistors. Unlike classical semiconductors, these materials leverage quantum mechanical properties, such as superposition, entanglement, and tunneling, to process information at unprecedented speeds. 

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Advanced materials like silicon-germanium (SiGe), indium arsenide (InAs), topological insulators, and 2D materials like graphene and transition metal dichalcogenides (TMDs) are paving the way for scalable quantum chips. Quantum dots, Majorana fermions, and superconducting qubits are at the forefront of quantum computing and cryptography, promising breakthroughs in AI acceleration, secure communication, and molecular simulations. Industry leaders such as IBM, Intel, and Google are actively developing quantum-compatible semiconductors, focusing on low-temperature stability, coherence time improvement, and scalable qubit architectures.

The integration of quantum semiconductor materials with traditional CMOS technology is essential for bridging the gap between classical and quantum computing. Innovations in quantum tunneling transistors, spin-based logic gates, and photonic quantum processors are enhancing the efficiency of next-generation semiconductor chips. Additionally, topological quantum computing and superconducting nanowires are emerging as game-changers in low-power, high-speed electronics. As researchers explore room-temperature quantum devices and fault-tolerant qubits, the future of quantum semiconductor technology will drive advancements in artificial intelligence, cybersecurity, materials science, and biomedical research. This transformative field is set to redefine computing, sensing, and communication, unlocking new frontiers in deep-tech innovation and quantum-driven applications.

#quantumcomputing #semiconductormaterials #quantumtechnology #quantumprocessors #topologicalinsulators #graphene #spintronics #quantumdots #majoranafermions #superconductingqubits #quantumcryptography #advancedmaterials #quantumai #futurecomputing #photonics #quantumtunneling #lowpowercomputing #nanoscaleelectronics #quantumchip #nextgensemiconductors #cmosintegration #quantumnetworks #quantumtransistors #spinbasedlogic #superconductivity #deeptech #aihardware #securecomputing #materialsinnovation #roomtemperaturequantumdevices #faulttolerantqubits #coherencetime #molecularsimulations #quantumsensing #nanotechnology

[youngscientist96]

Revolutionizing Atom Interferometry: New Breakthroughs Explained!

Description: Atom interferometry is entering a new era with groundbreaking advancements that promise to revolutionize precision measurement and quantum sensing. These breakthroughs leverage ultra-cold atoms and innovative laser technologies, allowing for unprecedented accuracy in detecting gravitational waves, mapping underground structures, and even testing fundamental physics theories. With applications spanning from Earth sciences to space exploration, these developments are setting the stage for a new generation of scientific exploration and technological innovation. 

 #AtomInterferometry #QuantumSensing #PrecisionMeasurement #GravitationalWaves #LaserTechnology #QuantumPhysics #ScientificBreakthroughs #TechInnovation #SpaceExploration #EarthSciences#ScienceFather #ResearchLeader #InnovativeResearch #ScientificMentor #PioneerInScience #ResearchExcellence #ScientificInnovation #AcademicLeadership #ResearchCommunity #ScienceImpact #MentorshipInScience 

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[litlle-bits-of-everything]

The Quantum Theory

Quantum theory is a branch of physics that describes the behavior of matter and energy at a very small scale, such as the level of atoms and subatomic particles. It suggests that energy is not continuous, but rather comes in small "packets" called quanta, and that particles can exist in multiple states or locations at the same time. It also describes how particles can become "entangled" and affect each other's behavior even when separated by large distances. This can seem very strange and different from our everyday experience, but it has been proven to be accurate through many scientific experiments.

Quantum theory has had a significant impact on many areas of science and technology, and is expected to continue to do so in the future. Some of the most notable ways that quantum theory has affected, or is expected to affect, our lives include:

Computing: Quantum computers use the principles of quantum mechanics to perform certain calculations much faster than traditional computers. This could potentially revolutionize fields such as cryptography, drug discovery, and machine learning.

Communications: Quantum key distribution (QKD) uses the principles of quantum mechanics to securely transmit information. This could be used to create more secure communication systems in fields such as finance, government, and healthcare.

Sensing: Quantum sensors use the principles of quantum mechanics to make more precise measurements of various physical quantities, such as position, temperature, and magnetic fields. This could be used to improve navigation, imaging, and environmental monitoring.

Energy: Quantum mechanics can be used to understand and control the properties of materials that could be used in energy production or storage, such as solar cells, batteries, and fuel cells.

Medical: Quantum mechanics can be used to better understand the properties of biological systems, which could lead to more targeted and effective treatments for diseases.

These areas are still in the research and development phase, but with the potential of a huge impact in the near future.

[royalvoxpost]

#QuantumSensing: physicists have created a #QuantumRadar that uses entangled microwave photons to detect objects. The radar prototype could help develop ultra-low power biomedical imaging devices and innovative security scanners - https://t.co/SVi4sJH1JJ #QuantumIllumination https://t.co/GGmLfccHbH

#QuantumSensing: physicists have created a #QuantumRadar that uses entangled microwave photons to detect objects. The radar prototype could help develop ultra-low power biomedical imaging devices and innovative security scanners - https://t.co/SVi4sJH1JJ #QuantumIllumination pic.twitter.com/GGmLfccHbH

— The Royal Vox Post (@RoyalVoxPost) May 8, 2020

via Twitter https://twitter.com/RoyalVoxPost May 08, 2020 at 10:45PM

[phdpositionsdk]

PhD scholarships in Continuous Variable Quantum Computing, Sensing and Communication

PhD scholarships in Continuous Variable Quantum Computing, Sensing and Communication

DTUPhysics has available numerous PhDpositions in the field of continuous variable quantum computing, quantumsensing and quantum communication. The positions and the projects will be a partof the Center of Excellence, “Center for Macroscopic Quantum States -bigQ” supported by the Danish National Research Foundation.

Quantum computing represents a new paradigm for informationprocessing as it…

[royalvoxpost]

#QuantumSensing: researchers have developed a simple and robust nano-scale qubit in carbon nanotubes. The atomic-like qubit could be used to design highly-sensitive electric and magnetic fields nano-sensors for imaging the dynamics in quantum systems - https://t.co/meKXFCHhIX https://t.co/ydxFw9VLLv

#QuantumSensing: researchers have developed a simple and robust nano-scale qubit in carbon nanotubes. The atomic-like qubit could be used to design highly-sensitive electric and magnetic fields nano-sensors for imaging the dynamics in quantum systems - https://t.co/meKXFCHhIX pic.twitter.com/ydxFw9VLLv

— The Royal Vox Post (@RoyalVoxPost) May 8, 2020

via Twitter https://twitter.com/RoyalVoxPost May 08, 2020 at 03:16PM

[royalvoxpost]

#Photonics #QuantumSensing: scientists created a quantum radar system based on photons entanglement. The device could help to develop short-range low-power radar systems and novel non-invasive scanning methods for biomedical applications - https://t.co/j2lcpRYpPc https://t.co/8zxR088LW4

#Photonics #QuantumSensing: scientists created a quantum radar system based on photons entanglement. The device could help to develop short-range low-power radar systems and novel non-invasive scanning methods for biomedical applications - https://t.co/j2lcpRYpPc pic.twitter.com/8zxR088LW4

— The Royal Vox Post (@RoyalVoxPost) August 23, 2019

via Twitter https://twitter.com/RoyalVoxPost August 23, 2019 at 04:10PM