Continuous-wave operation of 1.5 μm distributed-feedback ridge-waveguide lasers

15 March 1984

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 20 (6) , 225-226
https://doi.org/10.1049/el:19840151

Abstract

CW operation of 1.5 μm ridge-waveguide DFB lasers is reported for the first time. The ridge-waveguide DFB laser structure offers the prospect of high modulation speeds due to the absence of parasitic capacitances associated with reverse-biased current-blocking layers. These devices also represent the first report of CW operation of DFB lasers fabricated using the hybrid LPE/MOCVD crystal-growth technique and also of DFB lasers with gratings produced by electron-beam lithography.

Keywords

CW OPERATION
INGAASP-INP DFB LASER
HYBRID LPE/MOCVD CRYSTAL-GROWTH TECHNIQUE
GRATINGS
REVERSE-BIASED CURRENT-BLOCKING LAYERS
1.5 MICRONS
DISTRIBUTED-FEEDBACK RIDGE-WAVEGUIDE LASERS
LIGHT OUTPUT CURRENT CHARACTERISTICS
ELECTRON-BEAM LITHOGRAPHY
HIGH MODULATION SPEEDS