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Microdisk laser structures for mode control and directional emission

Mikroscheiben Laser zur Modenkontrolle und zur direkten Emission


Journal of vacuum science and technology B. Microelectronics and nanometer structures 16 (1998), No.6, pp.3817-3820 : Ill., Lit.
ISSN: 0734-211X
ISSN: 1071-1023
Journal Article
Fraunhofer IAF ()
III-V Halbleiter; III-V semiconductor; quantum wells; stimulated emission; stimulierte Emission

GaAs microdisk laser structures with modified resonator geometry have been investigated. Device fabrication employs electron-beam lithography and etch procedures for generating disks with notches, projections, and holes, and a novel ring-laser structure. Directional emission from the notched microdisk lasers has been investigated using external scattering structures, which may also be used as couplers for the laser emission.