Title :
Enhanced direct-modulated bandwidth of 37 GHz by a multi-section laser with a coupled-cavity-injection-grating design
Author :
Bach, L. ; Kaiser, W. ; Reithmaier, J.P. ; Forchel, A. ; Berg, T.W. ; Tromborg, B.
Author_Institution :
Technische Phys., Univ. Wurzburg, Germany
Abstract :
Using a new multi-section laser concept based on a coupled-cavity-injection-grating design, the material related intrinsic 3 dB modulation bandwidth can be enhanced up to 37 GHz for a 1.5 mm long device.
Keywords :
Bragg gratings; integrated optics; laser cavity resonators; laser modes; optical modulation; quantum well lasers; ridge waveguides; waveguide lasers; 1.5 micron; 1.5 mm; 20 mW; 37 GHz; GaInAsP-InP; coupled-cavity-injection-grating design; direct-modulated bandwidth enhancement; directly modulated lasers; high modulation bandwidths; high side-mode suppression ratio; high single-mode output power; multi-section laser; quantum well SCH ridge waveguide structures; semiconductor laser; separate confinement heterostructure; three-section laser; weakly coupled central Bragg grating;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20031018
