Anomalous magneto-plasmonic spectra: evidence for stimulated emission or superradiance?

Author

Jho, Y.D. ; Wang, X. ; Reitze, D.H. ; Sanders, G.D. ; Stanton, C.J. ; Kono, J. ; Wei, X. ; Solomon, G.S.

Author_Institution

Dept. of Phys., Florida Univ., Gainesville, FL, USA

Volume

2

fYear

2005

fDate

22-27 May 2005

Firstpage

729

Abstract

Novel magneto-plasmonic emission phenomena are observed from excited Landau levels in In_xGa_1-xAs quantum wells when pumped using intense femtosecond laser excitation in strong magnetic fields (25 T). The emission character is reminiscent of coherent spontaneous and stimulated emission.

Keywords

III-V semiconductors; Landau levels; gallium arsenide; high-speed optical techniques; indium compounds; laser beam effects; magneto-optical effects; optical pumping; semiconductor quantum wells; spontaneous emission; stimulated emission; superradiance; 25 T; In_xGa_1-xAs; In_xGa_1-xAs quantum wells; coherent spontaneous; excited Landau levels; femtosecond laser excitation; magnetic fields; magneto-plasmonic emission phenomena; magneto-plasmonic spectra; stimulated emission; superradiance; Excitons; Laser excitation; Magnetic field measurement; Magnetic fields; Magnetic separation; Optical buffering; Optical pumping; Spontaneous emission; Stimulated emission; Ultrafast optics;

fLanguage

English

Publisher

ieee

Conference_Titel

Quantum Electronics and Laser Science Conference, 2005. QELS '05

Print_ISBN

1-55752-796-2

Type

conf

DOI

10.1109/QELS.2005.1548918

Filename

1548918