Our paper showing efficient photon pair generation from periodically poled TMDs over microscopic length scales has now been published in Nature Photonics

Columbia Affiliations

February 17, 2025

Congratulations to lead author Dr. Chiara Trovatello on this exciting paper, titled "Quasi-phase-matched up- and down-conversion in periodically poled layered semiconductors" - a collaboration with the groups of Milan Delor, Dmitri Basov, Jiwoong Park, Philip Walther, Cory R Dean, Lee A Rozema, Andrea Marini, and Giulio Cerullo. A press release summarizing the work can be found here.

Entangled photons generated in a microscopic PP-TMD crystal

Our paper showing efficient photon pair generation from periodically poled TMDs over microscopic length scales has now been published in Nature Photonics

Jim published a News and Views article in Nature about recent breakthroughs in electrically pumping luminescence in lanthanide-based nanoparticles

Our demonstration of the first nonlinear metasurface made from 3R-stacked 2D semiconductors was published Nature Photonics

Our paper showing efficient photon pair generation from periodically poled TMDs over microscopic length scales has now been published in Nature Photonics

Our work on piconewton to micronewton force sensing using new photon avalanching nanoparticles was published in Nature

Our paper on the first realization of fully photoswitchable all-inorganic nanoparticles, demonstrating perfect photostability and NIR response, was published in Nature.

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