Work

Room Temperature Lasing at Blue Wavelengths in Gallium Nitride Microcavities

Year: 1999

Type: article

Abstract: Lasing action has been demonstrated at blue wavelengths in vertical cavity surface-emitting lasers at room temperature. The microcavity was formed by sandwiching indium gallium nitride multiple quantum wells between nitride-based and oxide-based quarter-wave reflectors. Lasing action was observed at a wavelength of 399 nanometers under optical excitation and confirmed by a narrowing of the linewidth in the emission spectra from 0.8 nanometer below threshold to less than 0.1 nanometer (resolution limit) above threshold. The result suggests that practical blue vertical cavity surface-emitting lasers can be realized in gallium-nitride-based material systems.

Source: Science

DOI: 10.1126/science.285.5435.1905

Authors: Takao Someya, Ralph Werner, Alfred Forchel, Massimo Catalano, Roberto Cingolani, Yasuhiko Arakawa

Institutions: University of Würzburg, Institute of Industrial Science, The University of Tokyo, The University of Tokyo, University of Salento, National Research Council

Language: English

Topic: GaN-based semiconductor devices and materials

Subfield: Condensed Matter Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2079620293

FWCI: 6.719

Cites: 17

Cited by: 261

Related to: 9