We have successfully demonstrated a novel InGaAsP mode-expanded MQW laser based on the adiabatic transformation of the laser rib mode into a fiber-matched ARROW waveguide. The fabrication is drastically simplified to one planar growth step and one conventional non-critical etch step. Efficient mode transformation and considerable reduction of the horizontal and vertical far-field FWHM have been achieved.
InGaAsP-InP 1.55 /spl mu/m lasers with integrated mode expanders using fiber-matched leaky waveguides
01.01.2001
227249 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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