Advanced Photonics
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Related Articles from SNS
PRISM: Photonics-Informed Inverse Lithography for Manufacturable Inverse-Designed Photonic Integrated Circuits
Announce Type: replace Abstract: Recent advances in photonic inverse design have demonstrated the ability to automatically synthesize compact, high-performance photonic components that surpass conventional, hand-designed structures, offering a promising path toward scalable and functionality-rich photonic hardware. However, the practical deployment of inverse-designed PICs is bottlenecked by manufacturability: their irregular, subwavelength geometries are highly sensitive to fabrication...
PRISM: Photonics-Informed Inverse Lithography for Manufacturable Inverse-Designed Photonic Integrated Circuits
Announce Type: replace-cross Abstract: Recent advances in photonic inverse design have demonstrated the ability to automatically synthesize compact, high-performance photonic components that surpass conventional, hand-designed structures, offering a promising path toward scalable and functionality-rich photonic hardware. However, the practical deployment of inverse-designed PICs is bottlenecked by manufacturability: their irregular, subwavelength geometries are highly sensitive to...
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...
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...
Picometer-Scale Spatial Symmetry Breaking in Active Transmissive Metasurfaces
Announce Type: replace Abstract: Active transmissive metasurfaces are central building blocks for future compact, cascadable optical systems, enabling the stacking of multiple functional layers for advanced dynamic beam shaping, photonic neural networks, depth sensing, and holography. We present a transmissive electro-optic metasurface based on silicon-on-lithium-niobate, where an array of silicon waveguides with periodic perturbations, individually controlled at the 100 pm scale, supports...
A quantum metasurface breakthrough could finally close the terahertz gap
A quantum metasurface breakthrough could finally close the terahertz gap A quantum-powered metasurface breakthrough could finally make terahertz technology far more practical, sensitive, and widely usable. - Date: - May 31, 2026 - Source: - SPIE--International Society for Optics and Photonics - Summary: - Researchers have developed a compact quantum detector that makes terahertz radiation much easier to detect. A specially designed metasurface funnels incoming energy into tiny active...
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...
The tech that could make Marvell the next trillion dollar company
The sun is slowly but surely setting on copper interconnects, Marvell CEO Matt Murphy claimed in his Computex keynote this week. Within the next decade the IP house expects photons to take the place of electrons and change the way datacenters are built and run in the process. And, if Nvidia CEO Jensen Huang is right, the widespread transition to silicon photonics technologies could make Marvell the next trillion dollar company.
Gain and One-Way Propagation in Synthetically Moving non-Foster Gratings
Announce Type: new Abstract: In this paper, we analyze the electromagnetic properties of space-time grooved metal surfaces governed by uniform-velocity modulations. We begin by deriving the electromagnetic fields of a uniform-velocity-modulated parallel-plate waveguide (PPW) using Lorentz transformations, establishing it as the fundamental building block of a more complex space-time structures. We then analyze the dispersion and scattering characteristics of a space-time grooved surface and...
Manifold partitioning induced sequential optical reasoning and decision framework for photonic computing
arXiv:2606.01616v1 Announce Type: new Abstract: Real-world data are intrinsically embedded in highly entangled manifolds, making the extraction of separable representations a central challenge for artificial intelligent (AI) systems. While optical neural networks (ONNs) offer ultrafast and energy-efficient data processing, their capacity is constrained by limited physical depth. Here, we introduce a sequential optical reasoning and decision (SORD) framework, an architecture that performs...