Boston Convention Center, Boston, Massachusetts
March 7, 2019 @ 12:03pm in BCEC Room 204B
Two-photon spectroscopy and polarization dependence of Gallium phosphide
Brandon J. Furey1, Rodrigo M. Barba-Barba2, Alan Bernal2, Ramon Carriles2, Bernardo S. Mendoza2, Michael C. Downer1
1University of Texas at Austin, 2Centro de Investigaciones en Optica
The two-photon absorption (2PA) coefficient of Gallium phosphide (GaP) was measured by open-aperture z-scan in the spectral range 650 – 1200 nm. Anisotropy in the polarization dependence of 2PA is then used to determine the two independent components of the imaginary part of the third-order nonlinear susceptibility tensor corresponding to the zinc blende crystal structure of GaP. These results are then compared to first-principles calculations using length gauge theory. The strong 2PA in GaP qualifies this material to be used as a reference when extending this experimental and theoretic technique to other crystal and nanocrystal materials.
Session S33: Semiconductors and Applications II
11:15 AM–2:15 PM, Thursday, March 7, 2019
BCEC Room: 204B
Sponsoring Unit: FIAP
Chair: Thomas Vandervelde, Univ of Virginia
Abstract: S33.00005 : Two-photon absorption spectroscopy and polarization dependence of Gallium phosphide*
12:03 PM–12:15 PM
My meeting notes: https://drive.google.com/file/d/1kVH2Y4JX0QOLiYohKTrR0bWyPV1sXHSk/view?usp=sharing
Link to more information: https://meetings.aps.org/Meeting/MAR19/Session/S33.5
Brandon J. Furey 