Ultrafast time-domain spectroscopy techniques have evolved markedly over the past few decades, enabling the direct observation of physical, chemical and biological processes on timescales from ...

An Osaka Metropolitan University-led research team investigated the decay time of coherent longitudinal optical (LO) phonons both in a GaAs 1−x N x epilayer and in a GaAs single crystal, to clarify ...

Sushrut Karmarkar is a 5th-year PhD Candidate in the School of Aeronautics and Astronautics at Purdue University whose research focuses on structures and materials. Sushrut is originally from ...

Spectroscopy has many applications, ranging from fundamental tests of quantum electrodynamics and investigations of molecular structure to environmental sensing, biomedical diagnostics and industrial ...

Terahertz time-domain spectroscopy (THz-TDS) exploits ultrashort pulses of electromagnetic radiation in the 0.1–10 THz band to probe material properties with simultaneous amplitude and phase ...