Title :
Anti-Stokes Raman scattering of photoluminescence phonon replica in gan heterostructures: An effective technique for Probing Hot Phonons
Author :
Tripathy, Suvranta K. ; Mu, Xiaodong ; Ding, Yujie J. ; Wang, Kejia ; Jena, Debdeep ; Khurgin, Jacob B.
Author_Institution :
Department of Electrical and Computer Engineering, Lehigh University, Bethlehem, PA 18015, USA
Abstract :
We have observed anti-Stokes Raman scattering of photoluminescence phonon replica in GaN heterostructures by non-equilibrium longitudinal-optical phonons. We demonstrate that such a process can be used to monitor the distribution of hot longitudinal-optical phonons.
Keywords :
Excitons; Gallium nitride; HEMTs; Molecular beam epitaxial growth; Optical scattering; Phonons; Photoluminescence; Pulse amplifiers; Raman scattering; Substrates;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431595
