A novel DFB laser structure is reported, it has an integrated waveguide taper and has enabled 29% butt coupling efficiency into cleaved standard singlemode optical fibre. The taper is fabricated using a shadow masked growth technique which results in a 2-D mode matching taper structure.
DFB laser with integrated waveguide taper grown by shadow masked MOVPE
1996-04-11
2 pages
Article (Journal)
English
butt coupling efficiency , distributed feedback lasers , DFB laser , cleaved standard singlemode optical fibre , 2D mode matching taper structure , optical transmitters , optical fibre couplers , vapour phase epitaxial growth , 29 percent , semiconductor growth , shadow masked MOVPE , integrated waveguide taper , laser modes , semiconductor lasers
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