Quantum Dot Laser Paper Presentation & Seminar

The past decade has seen a tremendous amount of research in the fabrication of semiconductor structures, which was stimulated by the drive towards increasing miniaturization and performance of solid-state devices. One major step in these developments has been the development of low dimensional devices. Engineering of less than three-dimensional semiconductors began during early 1970s, when groups at Bell Labs and IBM made the first two-dimensional “quantum wells”.

These structures have provided new kinds of optical and electronic devices like lasers in CD player; low noise amplifier in direct broadcast satellite receivers and laser sources for fiber optic communication. Modification of these structures to confine the electrons to one-dimension (quantum wires), and zero-dimension (quantum dots) lead to new electrical and optical properties

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