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quantum photons
Trends
- 1Researchers Demonstrate Programmable Quantum Photonic Processor in OrbitβOne Giant Leap: Researchers Demonstrate Programmable Quantum Photonic Processor in Orbit
Researchers have demonstrated a programmable quantum photonic processor operating in orbit, according to a report by The Quantum Insider. The achievement suggests quantum photonic technology can function in the harsh conditions of space, a step toward space-based quantum computing and communications. Details of the team behind the demonstration and the hardware's capabilities have not yet been widely reported.
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French photonic quantum computing company Quandela is looking to partner with Korean firms to manufacture its photonic quantum chips. The move would tie Quandela's quantum photonics technology to South Korea's semiconductor manufacturing base, potentially speeding up production of its quantum processors. Details on specific partners, timelines, or investment amounts were not disclosed, leaving the scope of the collaboration uncertain.
- 3Gamma-ray study finds no violation of Lorentz invarianceβA rigorous re-examination of cosmic gamma-ray data has found no evidence of deviations from the established laws of Lore
A rigorous re-examination of cosmic gamma-ray observations has found no evidence that Lorentz invariance breaks down at high energies. Researchers applying unified statistical methods confirmed that the speed of light remains constant regardless of photon energy or direction, reinforcing Einstein's relativity and placing tighter limits on quantum-gravity models that predict energy-dependent light speeds.
- 4Physicists measure the W state of three entangled photonsβΌPhysicists measure the W state of three quantum-entangled photons β ScienceAlert
Physicists have successfully measured the W state of three quantum-entangled photons, a specific type of multi-particle entanglement where entanglement is shared unevenly among the photons. The achievement, reported by ScienceAlert, demonstrates refined experimental control over complex quantum states, a capability relevant to quantum computing, quantum communication and fundamental tests of quantum mechanics. Science observers are sharing the result as a notable step in entanglement research.
- 5Laser Offers Precise Nanoscale Control of PhononsβΌLaser Provides Precise Control over Phonons at Nanoscale Level
Researchers report that a laser technique allows precise control over phonons β quantized vibrations β at the nanoscale. The advance could matter for developing smaller, faster electronic and thermal devices, as managing heat and vibrations at tiny scales is a major challenge in materials science and photonics research.
- 6Cosmic gamma rays put Einstein's speed of light rule to the testβΌCosmic gamma rays test the limits of Einsteinβs speed of light rule
New research using cosmic gamma rays is probing whether the speed of light is truly constant, a cornerstone of Einstein's relativity. By studying high-energy photons that travelled vast cosmic distances, physicists are searching for tiny deviations that could point to quantum gravity effects and challenge the limits of Einstein's theory.
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Shares of XNDU rose following news of a deal with ASML aimed at tackling optical loss in photonic quantum chips. Optical loss is a key technical barrier to scaling photonic quantum computing, so a partnership with lithography leader ASML to address it drew attention from investors and boosted the stock.
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Caltech professor Alireza Marandi has been named a Moore Experimental Physics Investigator by the Gordon and Betty Moore Foundation. The honor supports early-career experimental physicists with significant funding to pursue ambitious research. Marandi's work focuses on photonic and quantum technologies, and the recognition is drawing attention across the physics and research communities.
- 9Three-Dimensional Light Breakthrough Opens Quantum StatesβThree-Dimensional Light Breakthrough Unlocks Previously βImpossibleβ Quantum States, Physicists Say
Physicists report a breakthrough in controlling light in three dimensions, which they say unlocks quantum states previously considered impossible. The work could influence future research in quantum computing, photonics and advanced materials. Details of the finding and its practical implications remain limited, but the claim of reaching 'impossible' states is drawing attention across the physics community.
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Researchers at the University of Rochester are combining light and sound in new ways to probe fundamental questions in physics. The work pairs photons with phonons, opening possibilities for studying quantum phenomena and developing new sensing technologies. Details of the specific experiments and their implications remain limited in the available reporting.
- 11CCNY physicists convert microwaves to light with 2D magnetsβΌA new bridge for quantum networks: CCNY physicists convert microwaves to light using 2D magnets
Physicists at the City College of New York report converting microwave signals into light using atomically thin 2D magnetic materials, a step toward connecting quantum devices. The advance could let distant quantum processors or sensors communicate through optical fiber, which transmits photons far more efficiently than microwaves. Researchers describe the work as a building block for future quantum networks.
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A new signal processing method has been reported to improve the efficiency of quantum light detection. The development could matter for quantum optics research and technologies that rely on detecting single photons, such as quantum computing and secure communications. Beyond the claim of improved efficiency, no detailed results, measurements, or independent assessments are available yet.
- 13Penn State Team Develops Electro-Optic Thin Films for Quantum and AIβExceptional Electro-Optic Thin Films for Quantum and AI Applications β UNLOC
Researchers with the UNLOC project at Pennsylvania State University report developing exceptional electro-optic thin films, materials that convert electrical signals into optical ones with high efficiency. Such films are considered key building blocks for faster optical modulators, with potential uses in quantum information systems and AI hardware where data transfer speed and energy efficiency are critical.
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Researchers report a quantum entanglement experiment linking glass dust with light, suggesting that ordinary granular material can be entangled with optical photons. The work points to new ways of studying quantum effects in larger, everyday materials, though detailed findings and the team behind the result have not been widely reported yet.
- 15Programmable fusion advances scalable photonic graph statesβΌDeterministic and programmable fusion for the scalable generation of photonic graph states
Researchers publishing in Nature report a deterministic and programmable fusion technique for generating photonic graph states at scale. Photonic graph states are entangled light states central to photonic quantum computing, networking and repeaters. Making fusion deterministic rather than probabilistic, while keeping it programmable, is presented as a step toward scalable quantum photonics. The finding matters because scaling entangled photon sources has been a key bottleneck for optical quantum technologies.
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Researchers report a new method for generating photons that are nearly indistinguishable from one another, a key requirement for quantum communication technologies such as quantum key distribution and quantum networks. The advance is being reported in physics and photonics circles as a step toward more reliable quantum information systems.
- 17Investors Track Xanadu Quantum Technologies Stock After ListingβXanadu Quantum Technologies Limited (XNDU) Stock Price, News, Quote & History
Xanadu Quantum Technologies, the Toronto-based photonic quantum computing company now trading under the ticker XNDU, is drawing attention as investors follow its share price, quotes and company news on financial platforms. The stock is being watched as part of broader interest in publicly listed quantum computing firms, where early-stage commercial timelines make valuations volatile and each company announcement or sector development can move prices noticeably.