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Optics in 2025

This special issue of Optics & Photonics News highlights exciting peer-reviewed optics research that has emerged over the past year.

Our panel of editors reviewed 87 summaries of work by researchers from around the world. They selected for publication 30 stories that they felt communicated breakthroughs of particular interest to the broad optics community.

OPN thanks all who submitted summaries, as well as our panel of guest editors: Groot Gregory, the panel chair, and guest editors: Alvaro Casas Bedoya, Mihaela Dinu, Anderson S.L. Gomes, Antigone Marino, Anne Matsuura, Jelena Pesic, Anca Sala, Mahmoud Rasras, Thomas A. Searles and Susanna Thon.

UV Combs with One Million Teeth

Measuring Solitons That Leak

High-Dimensional Spatial-Mode Quantum Logic Gates

New Approach to Giant Non-Reciprocity in Photonic Coupling

Crystalline-Si Antennas Enhance Photon Collection from Color Centers

Fast Stimulated Brillouin Scattering Microscopy

(See video)

Turning the Eye into Its Own Transmission Microscope

Brain Waves in Motion: Optics Captures Voltage Dynamics at Scale

(See video)

Turning Rough Surfaces into Non-Line-of-Sight Cameras

Nanometer-Scale 3D Microscopy in a Single Shot

Chirality Encoding with Metasurfaces

Spatiotemporal Hologram

Mapping OAM Information from the Spatial to Temporal Domain

Neural Networks Decode Noise-Driven Nonlinear Fiber Dynamics

Photonic Origami of Silica on a Silicon Chip

(See video 1, video 2)

Engineering Coherence in Second Harmonic Generation

Hybrid Optical-Digital Neural Network for Low-Power Computer Vision

Image-Guided Computational Holographic Wavefront Shaping

(See video)

Pentagonal Photonic Crystals for Scalable Lightsails

Miniaturized Coherent Modulators Break Bandwidth Density Records

Hybrid Toroidal Vortices: Many Topologies Unified in One Light Pulse

Single-Photon Source Breaks Efficiency Threshold for Quantum Computing

Coherent Quantum Communication over 254-km Telecom Infrastructure

GeS2: Finding the Missing Color in the van der Waals Palette

Bridging the THz Gap with Photonics-Integrated Transmission Lines

Label-Free Optical Mapping of Single 5-nm Quantum Dots

Kidney Function Measurement at the Point of Care

Universal Femtosecond Laser Nanostructuring of van der Waals Materials

High-Precision 3D Imaging with Single-Photon Lidar

Robust Transport and Dual Topological Protection of OAM Beams

(See video)

Publish Date: 01 December 2025

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