Transient field-resolved reflectometry at 50-100 THz

Neuhaus M, Schoetz J, Aulich M, Srivastava A, Kimbaras D, Smejkal V, Pervak V, Alharbi M, Azzeer AM, Libisch F, Lemell C, Burgdoerfer J, Wang Z, Kling MF (2022)

Publication Type: Journal article

Publication year: 2022

Journal

Optica Optical Society of America

Book Volume: 9

Pages Range: 42-49

Journal Issue: 1

DOI: 10.1364/OPTICA.440533

Abstract

Transient field-resolved spectroscopy enables studies of ultrafast dynamics in molecules, nanostructures, or solids with sub-cycle resolution, but previous work has so far concentrated on extracting the dielectric response at frequencies below 50 THz.Here,we implemented transient field-resolved reflectometry at 50-100THz(3-6μm) withMHzrepetition rate employing 800 nm few-cycle excitation pulses that provide sub-10 fs temporal resolution. The capabilities of the technique are demonstrated in studies of ultrafast photorefractive changes in semiconductors Ge and GaAs, where the high frequency range permits to explore the resonance-freeDrude response. The extended frequency range in transient fieldresolved spectroscopy can further enable studies with so far inaccessible transitions, including intramolecular vibrations in a large range of systems.

Involved external institutions

Ludwig-Maximilians-Universität (LMU) DE Germany (DE) King Saud University (KSU) / جامعة الملك سعود‎‎ SA Saudi Arabia (SA) Technische Universität Wien / Vienna University of Technology AT Austria (AT)

How to cite

APA:

Neuhaus, M., Schoetz, J., Aulich, M., Srivastava, A., Kimbaras, D., Smejkal, V.,... Kling, M.F. (2022). Transient field-resolved reflectometry at 50-100 THz. Optica, 9(1), 42-49. https://doi.org/10.1364/OPTICA.440533

MLA:

Neuhaus, Marcel, et al. "Transient field-resolved reflectometry at 50-100 THz." Optica 9.1 (2022): 42-49.

BibTeX: Download