Operating Range of Aluminum - Gallium-Arsenide Quantum-Well Heterostructure Lasers: Tunability, Power Output, and High Energy Emission (Semiconductor, Optical, Diode)

A quantum-well heterostructure (QWH) is the most capable form of semiconductor laser. The quantum-size effect (QSE), inherent in a QWH laser, improves the device performance compared to conventional double heterostructure lasers. One advantage provided by the QSE is the increased possibility for carrier bandfilling of the active region. Experimental results are presented in which the continuous (CW) emission wavelength of an Al(,x)Ga(,1-x)As-GaAs QWH laser diode is tuned over a 100-meV spectral range (with the aid of an external grating cavity). The single 90-(ANGSTROM) quantum well is an ideal active region to provide broadband (7800-8300 (ANGSTROM)) optical gain.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Electrical Engineering

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2014

Author dc:creator

• Epler, John Edward

• Engineering, Electronics and Electrical

Identifier

(UMI)AAI8511604

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/69300