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Congrats to Ryan Kowalski!

Apr. 25, 2025—Congratulations to Ryan Kowalski for successfully defending his dissertation! “Infrared Light at the Nanoscale: Confinement and Spectroscopy” Conventional optical microscopy and spectroscopy are limited by the diffraction limit, which restricts spatial resolution to approximately half the free-space wavelength of light. This constraint poses a significant barrier for the nanoscale characterization of materials and quantum systems....

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Caldwell Lab group – MRS 2025 Spring meeting highlights

Apr. 17, 2025—Members of the Caldwell lab attended the 2025 MRS Spring meeting.  Emma Bartelsen was the recipient of the Best Poster Award for the “Emerging Material Platforms and Fundamental Approaches for Plasmonics, Nanophotonics and Metasurfaces” symposium. Emma Bartelsen was a recipient of the Best Poster Award for the symposium “Emerging Material Platforms and Fundamental Approaches for...

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2024 Fall Meeting of the Materials Research Society

Dec. 10, 2024—Prof. Caldwell attended the 2024 Fall Meeting of the Materials Research Society in Boston, MA. His presentation entitled “Exploiting and Controlling Lattice Symmetry for Infrared Nanophotonics and Thermal Transport”. This covered collaborative work with Prof. Deyu Li, Prof. Patrick Hopkins, among others, while highlighting research from Dr. Guanyu Lu and Dr. Joseph Matson, former students...

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VINSE 24th Annual Nanoscience & Nanotechnology Forum

Nov. 26, 2024—Caldwell group members presenting at VINSE 24th Annual Nanoscience & Nanotechnology Forum Aditha Senarath Emmanuel K. Dabuo Thiago S. Arnaud Courtney Ragle Carson E. Snow Emanuela Riglioni Katja Diaz-Granados Emma Bartelsen

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2nd Alain Aspect Symposium

Nov. 26, 2024—Prof. Caldwell is attending the 2nd Alain Aspect Symposium, with a focus on addressing climate change with quantum technologies. As part of the symposium he gave a talk highlighting the advances in polaritonics gas sensing using so called Tamm polaritons, an advance in his lab that came from funding from the Office of Naval Research....

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Congrats to Katja!

Aug. 13, 2024—Congratulations to Katja Diaz-Granados for successfully defending her dissertation!  

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David Flores wins best poster award for VINSE REU

Aug. 2, 2024—David Flores, an NSF VINSE REU student from Penn State, won best poster award at the end of the season poster award! Congrats to David! Thank you to his two exceptional mentors John Buchner and Saurabh Dixit!!! That makes 5 years in a row for the Caldwell group!!!

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Caldwell group attended 2024 Gordon Conference on plasmonics

Jul. 12, 2024—Had a great week at the 2024 Gordon Conference on plasmonics! Alumni and current students joined and really showed off the amazing students and postdocs!!! Even had time for a Caldwell group hike to a water fall!

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Congrats to Ryan Kowalski! 2nd place poster at BNW2024!

Jun. 7, 2024—Ryan was awarded 2nd place for his poster at the hBN Workshop in Sydney! Well deserved!!! Excellent work Ryan!  

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Boron Nitride Workshop 2024 (BNW 2024), Sydney

Jun. 7, 2024—Josh Caldwell is one the organizers for the Boron Nitride Workshop. This series is dedicated entirely to boron nitride, and the inaugural meeting was held in Montpellier in 2023 (https://bnw2023.sciencesconf.org/). Over the last several years the BN community has grown immensely, and BN has become a material of choice for applications spanning electronics, polaritonics, lighting,...

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