A research team in China has built a quantum dot device that produces photon pairs with record-setting purity, achieving a two-photon fraction of 0.983(1). The work, published in Nature Materials, ...

Introduction:Attosecond pulses capture ultrafast electron and light–matter dynamics on the shortest timescales accessible to controlled experiments ...

Attosecond pulses enable sub-femtosecond studies of ultrafast electron dynamics. Since 2001, pulse durations have shortened ...

Scientists at TU Delft have designed a nanostring resonator that, when driven at its lowest vibration frequency, quietly funnels energy through a chain of higher modes all the way up to the fifth, ...

February 25, 2026, 62, Kenly – Carl S. Milsted Jr. of Kenly, North Carolina passed away on February 25th, 2026. He was 62 ...

Research shows that external impulses in non-reciprocal optical solitary waves can exceed expected momentum responses, ...

The transient Pauli blocking effect is a promising way to achieve ultrafast optical switching in semiconductors. Recently, a research team from Japan ...

Defect-filled lead-halide perovskites rival silicon solar cells because domain walls inside the material separate and guide charges. Researchers visualized these charge-transport networks using a ...

A University of Ottawa team has developed a new way to protect free-space quantum key distribution (QKD) from atmospheric turbulence, one of the main causes of distortion and errors when sending ...

A University of Ottawa team has developed a new way to protect free-space quantum key distribution (QKD) from atmospheric ...

A University of Ottawa team has developed a new way to protect free-space quantum key distribution (QKD) from atmospheric turbulence, one of the main ...

Optica Names 22 Recipients for 2026 Awards and Medals Optica names 22 recipients for 2026 awards and medals, celebrating outstanding technical, research, educational, business, leadership and service ...