Research

The arrows in this image represent displacement (with larger arrows indicating greater displacement) and the amount of stress (with red indicating high stress) of a given material.

Research

Understanding How Materials Behave by Watching Them Move

November 21, 2025

by Grant Currin

A new etching technique creates metasurfaces on 2D materials that can efficiently change their nonlinear optical properties

Research

Columbia Engineers Introduce Metasurfaces to 2D Materials

November 20, 2025

by Ellen Neff

A thin-film metallic resistor with a temperature-dependent resistance placed directly above a high-Q microcavity acts as an on-chip resistance thermometer.

Research

Columbia Researchers Take the Temperature of Integrated Photonics

November 05, 2025

by Ellen Neff

Esposito’s team developed a method for plugging nanoscopic holes such as this one, which is a fraction of the width of a human hair.

Research

Plugging Nanoscopic Cracks to Make Hydrogen Cleaner and Cheaper

November 03, 2025

by Grant Currin

A 1-centimeter-wide test chip with superconducting microwave-frequency circuitry to probe 2D material qubits.

Research

Columbia Engineers Prototype New 2D Qubit

October 29, 2025

by Ellen Neff

Research

Ethan Katz-Bassett wins 2025 ACM Internet Measurement Test of Time Award

October 29, 2025

by Meeri Kim

close up photo of quantum technology

Research

Quantum at Columbia: 100 Years On

October 23, 2025

An illustration of climate geoengineering techniques, including stratospheric aerosol injection (SAI), cirrus cloud thinning (CCT), and marine cloud brightening (MCB), and their proposed delivery systems and potential impacts. Natural stratospheric aerosol release from a volcanic eruption is also shown for context.

Research

How Hard Is It to Dim the Sun?

October 21, 2025

by Columbia Climate School

smartphone camera app pointed at an intersection

Faculty & Staff

How Your Smartphone’s Camera Got So Good

October 20, 2025

From left to right: Kate Ascher, co-director of Gotham Foundry (GF) and professor of practice of urban development at Columbia; Rein Ulijn, co-director of GF and founding director of the CUNY ASRC Nanoscience Initiative; Helen Lu, director of GF and Percy K. and Vida L.W. Hudson Professor of Biomedical Engineering; Theanne Schiros, co-director of GF and associate professor at FIT; and Neena Chakrabarti, board member at Genspace.

Campus

Team Led by Columbia Kicks Off $45 Million NYC Regenerative Materials Innovation Hub

October 10, 2025

Shivalee Shah, MS student in Quantum Science and Technology, and John Drogo, Electrical Engineering PhD student, worked with CUIT and Crown Castle on the fiber connection to Brooklyn

Research

Columbia Connected to New York Quantum Network

October 09, 2025

by Ellen Neff

image of high-power chips that could produce brighter beams of light

Research

Powerful and Precise Multi-color Lasers Now Fit on a Single Chip

October 07, 2025

by Grant Currin