Nature Photonics
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Towards Efficient Synthesis of Quantum Graph States by Fusing Graph Motifs
Announce Type: cross Abstract: Photonic graph states with advanced topologies can enable measurement-based quantum computing, distributed quantum sensing, and quantum interconnects. However, the efficient generation of photonic graph states is limited by the probabilistic nature of photonic entangling operations and the exponential dependence of generation rate on resource cost. In this work, we study photonic graph state synthesis as a cost-aware decomposition problem, exploiting local...
New light-powered chip could accelerate AI and quantum computing
New light-powered chip could accelerate AI and quantum computing - Date: - June 2, 2026 - Source: - Monash University - Summary: - Scientists have created a tiny chip that can generate, steer, and read light-based information all in one device, marking a major leap toward ultra-fast, energy-efficient computing. The breakthrough uses atomically thin materials and nanoscale structures to control a unique quantum property of light called the “valley” degree of freedom, allowing information to...
Why we should all take quantum physics extremely personally
In December 2019, a bad tooth almost killed me. A terrible toothache turned into the biggest health crisis of my life, ultimately landing me in an intensive care unit for a week. Once I recovered, I had to make sense of why this happened to me.
High-pulse-energy integrated mode-locked laser using a Mamyshev oscillator
Nature, Published online: 03 June 2026; doi:10.1038/s41586-026-10517-4A Mamyshev oscillator mode-locked laser compactly integrated on a photonic-chip delivers nanojoule, femtosecond pulses.
The Russian who invented semiconductors 25 years before the USA
TIL: The Man Who Invented the Future, Then Starved to Death in It The story of Oleg Losev, LEDs, and a lost manuscript describing a new three-electrode semiconductor device There is a particular kind of tragedy reserved for people who are right too early. Oleg Losev was 18 years old, working as a technician at a Soviet radio lab in Nizhny Novgorod, when he built something in early 1922 that the rest of the world would take another 25 years to catch up to. He would never hold a position...
Hardy ice plant's optical innovation inspires reflective design possibilities
Nature is filled with remarkable visual phenomena created by microscopic surface structures that interact with light in fascinating ways. The iridescent wings of butterflies, the shimmering feathers of birds and the glossy surfaces of flower petals are all examples of how living organisms control the reflection, absorption and scattering of light. These optical effects are not only visually striking but also serve important biological functions, including attracting pollinators,...
Non-Hermiticity-induced chirality imbalance of Weyl Landau levels
arXiv:2606.00615v1 Announce Type: cross Abstract: Weyl semimetals obey a global chirality constraint: the net chiral topological charge and any associated chiral spectral flow must vanish, as required by the Nielsen-Ninomiya theorem. Under magnetic fields, this constraint manifests through counter-propagating zeroth Landau levels associated with Weyl nodes of opposite chirality. Here, we experimentally demonstrate how non-Hermiticity can reshape this balance in a synthetic photonic Weyl...
Ultrafast laser shrinks to chip scale, potentially lowering costs for diagnostics and atomic clocks
Ultrafast laser shrinks to chip scale, potentially lowering costs for diagnostics and atomic clocks Stephanie Baum Scientific Editor Robert Egan Associate Editor Ultrafast lasers emit pulses lasting only a few hundred femtoseconds (quadrillionths of a second). These flashes of light power applications from precision micromachining to eye surgery to optical frequency combs, the Nobel Prize-winning technology behind today's most precise optical atomic clocks. Yet despite more than two decades...
Nature's 'master painters': Study reveals how damselflies break optical barriers to create saturated colors
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Tailoring Defects in Photonic Time Crystals for Coherent Energy Control
arXiv:2605.30633v1 Announce Type: new Abstract: Recent advances in time-varying photonics have revealed new degrees of freedom for manipulating optical states, arising from the distinctive nature of the temporal axis: causality and open-system dynamics. A representative example is photonic time crystals (PTCs) characterized by discrete time-translational symmetry, which exhibit space-analogous yet distinct phenomena, such as momentum gaps and amplifying-decaying Floquet-mode pairs. Although...