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Richard F. Haglund

Stevenson Professor of Physics

Research:

The Applied Optical Physics Group focuses on the interactions of light with materials and nanostructures that exhibit compelling optical and electro-optical properties. Much of our work has featured the dynamics of the insulator-to-metal transition of vanadium dioxide, for applications in femtosecond silicon photonics, hybrid metamaterials and dynamically reconfigurable metasurfaces. We fabricate Archimedean nanospirals at dimensions smaller than the wavelength of light to study second-harmonic generation and manipulate the orbital angular momentum in light beams   Newer initiatives are yielding exciting results in single-photon emitters for quantum information science and applications, and control of the deep subwavelength, hyperbolic phonon polaritons in a wide bandgap two-dimensional insulator, hexagonal boron nitride. Our research projects all incorporate a balance of nanomaterials growth and characterization; laser spectroscopy and microscopy; and modeling and simulation. And we collaborate with groups around the United States and around the world to use the unique capabilities of synchrotron light sources and X-ray lasers.

Awards:

Fellow, American Physical Society, 2009
Alexander von Humboldt Foundation Research Prize, 2003
Alexander von Humboldt Foundation Research Fellowship, 1982

Selected Publications:

Phonon-induced multicolor correlations in hBN single-photon emitters. Feldman, MA; Puretzky, A; Lindsay, L; Tucker, E; Briggs, DP; Evans, PG; Haglund, RF; Lawrie, BJ, PHYSICAL REVIEW B, 99, 020101 , (2019) View Abstract

Spatially and spectrally resolved interactions of orbital angular momentum in plasmonic vortex generators. Hachtel, J; Cho, SY; Davidson, RB; Feldman, MA; Chisholm, MF; Haglund, RF; Idrobo, JC; Pantelides, ST; Lawrie, BJ, LIGHT SCIENCE AND APPLICATIONS, 8, , (2019) View Abstract

Effect of Material Structure on Photoluminescence of ZnO/MgO Core-Shell Nanowires. Marvinney, CE; Shen, X; McBride, JR; Critchlow, D; Li, Z; Mayo, DC; Mu, RR; Pantelides, ST; Haglund, RF, CHEMISTRY OF NANOMATERIALS FOR ENERGY, BIOLOGY AND MORE, 4, 291-300 , (2018) View Abstract

Reconfigurable infrared hyperbolic metasurfaces using phase change materials. Follan, TG; Fali, A; White, ST; Matson, JR; Liu, S; Aghamiri, NA; Edgar, JH; Haglund, RF; Abate, Y; Caldwell, JD, NATURE COMMUNICATIONS, 9, 4371 , (2018) View Abstract

Ultrafast response of photoexcited carriers in VO2 at high-pressure. Braun, JM; Schneider, H; Helm, M; Mirek, R; Boatner, LA; Marvel, RE; Haglund, RF; Pashkin, A, NEW JOURNAL OF PHYSICS, 20, 083003 , (2018) View Abstract