Patent number: 7282732

Quantum dot structures

Original Assignee: STC.UNM

Field of technology: Semiconductors/MEMS

Patent granted on: Tue, 16 Oct 2007

Patent drawing

Abstract

Symmetric quantum dots are embedded in quantum wells. The symmetry is achieved by using slightly off-axis substrates and/or overpressure during the quantum dot growth. The quantum dot structure can be used in a variety of applications, including semiconductor lasers.