Abstract
Polarization-dependent optical properties in GaAs/AlGaAs quantum wells and superlattices have received considerable interests to find a new design policy for polarization-sensitive optical devices.1-4 However, polarization phenomena behind these highly uniaxially anisotropic materials have not been well investigated, especially in superlattices where a coupling between wells plays an important role. In this paper, we present experimental investigations on polarization-dependent luminescences with the electric field polarized parallel (e//) and perpendicular (e⊥) to the quantization z-axis for a set of high quality short-period GaAs/AlAs superlattices (SPS) by photoluminescence (PL) at 4-300K, supplemented with photocurrent (PC) spectroscopy.
© 1988 Optical Society of America
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