Scalable Quantum Photonics

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  The photonic path to quantum advantage

  Quantum technologies are moving towards practical solutions in computing, sensing and secure communications, with photonics driving scalability and connectivity.

  Editorial26 Nov 2025 Nature Materials
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  Scalable photonic quantum technologies

  Photonic platforms are a prominent host on which practical quantum information technology applications can be leveraged and scaled. The authors discuss the state-of-the-art capabilities and give an outlook on optical technologies towards the realization of quantum computation, communications and metrology.

  • Hui Wang
  • Timothy C. Ralph
  • Jian-Wei Pan

  Review Article14 Aug 2025 Nature Materials
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  Brightening up quantum computing

  Pascale Senellart-Mardon, CNRS research director at the Center for Nanoscience and Nanotechnology at the Université Paris-Saclay and co-founder of photonic quantum computer start-up Quandela, talks to Nature Materials about photonic quantum technologies and the challenges and opportunities of juggling academia and industry.

  • Amos Martinez

  Q&A20 Nov 2025 Nature Materials
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  Exploiting strained epitaxial germanium for scaling low-noise spin qubits at the micrometre scale

  The authors measure electric and magnetic noise, an important source of decoherence for quantum devices, on hole spin qubit devices in quantum wells in Ge/SiGe heterostructures, revealing a reduced charge noise on devices fabricated on Ge wafers.

  • Lucas E. A. Stehouwer
  • Cécile X. Yu
  • Giordano Scappucci

  ArticleOpen Access6 Jul 2025 Nature Materials
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  Non-invasive bioinert room-temperature quantum sensor from silicon carbide qubits

  Alkene-terminated silicon carbide surfaces are proposed as a room-temperature divacancy spin qubit quantum sensor suitable for bioimaging and nanoscale nuclear spin sensing.

  • Pei Li
  • Ji-Yang Zhou
  • Adam Gali

  ArticleOpen Access6 Nov 2025 Nature Materials
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  Large-scale quantum dot–lithium niobate hybrid integrated photonic circuits enabling on-chip quantum networking

  Individual spectral strain tuning of waveguide-coupled quantum dot single-photon emitters into a thin-film lithium niobate photonic platform is demonstrated, allowing quantum interference of two spatially separated quantum dot single-photon emitters.

  • Xudong Wang
  • Xiuqi Zhang
  • Jiaxiang Zhang

  Article4 Nov 2025 Nature Materials
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  Low-noise hole spin qubits in germanium

  Noise is a key source of decoherence that hinders the scaling of quantum computers. Suppressing disorder in epitaxially strained quantum wells in germanium/silicon germanium heterostructures reduces the noise experienced by hole spin qubits.

  • Danielle Holmes

  News & Views1 Aug 2025 Nature Materials
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  Local strain tuning for scalable quantum photonics

  A scalable and reconfigurable hybrid photonic platform integrates multiple wavelength-tunable quantum emitters with a low-loss lithium niobate circuit, achieving on-chip spectral control and quantum interference, a key step towards fully integrated quantum photonic networking and computation on-chip.

  • Anna P. Ovvyan
  • Wolfram H. P. Pernice

  News & Views18 Nov 2025 Nature Materials
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  Tweezer arrays advance quantum computing

  • Amos Martinez

  News & Views21 Nov 2025 Nature Materials
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  Electrical control of silicon T centres

  • Amos Martinez

  News & Views7 Nov 2025 Nature Materials