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Pulsed Vertical‐Cavity‐Laser Emission Synchronized to Electron Spin Precession
Author(s) -
Rühle W. W.,
Hallstein S.,
Berger J. D.,
Hilpert M.,
Schneider H. C.,
Jahnke F.,
Koch S. W.,
Gibbs H. M.,
Khitrova G.,
Oestreich M.
Publication year - 1998
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/(sici)1521-3951(199803)206:1<387::aid-pssb387>3.0.co;2-5
Subject(s) - larmor precession , physics , excitation , laser , precession , magnetic field , electron , spins , atomic physics , quantum well , circular polarization , resonator , condensed matter physics , optics , quantum mechanics
The Larmor precession of polarized electron spins in a transverse magnetic field causes a synchronized pulsing of the stimulated emission of a semiconductor microcavity. Alternating right‐ and left‐handed circularly polarized pulses are emitted by the vertical cavity laser after excitation of the In 0.04 Ga 0.96 As quantum wells in the resonator with circularly polarized pulses of a picosecond Ti: sapphire laser. The excitation geometry is the Voigt geometry with the magnetic field in the plane of the quantum wells and the optical axis in growth direction. The non‐equilibrium carrier and the coupled laser dynamics are successfully analyzed with a microscopic theory.