Title :
Photocurrent effects in an electroabsorption modulator integrated with SGDBR laser
Author :
Johansson, L.A. ; Akulova, Y.A. ; Fish, G.A. ; Coldren, L.A.
Author_Institution :
Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA
Abstract :
High photocurrent effects in an electroabsorption modulator are explored using the high output power from an integrated SGDBR laser followed by semiconductor optical amplifier. It is shown how the equivalent EAM junction resistance is reduced with photocurrent to lower than 30 Ω, how the modulation response is correspondingly affected and how the gain of electroabsorption-modulated analog links ultimately becomes limited by the absorbed photocurrent.
Keywords :
diffraction gratings; distributed Bragg reflector lasers; electro-optical modulation; electroabsorption; integrated optics; optical communication equipment; optical fibre communication; optical fibre couplers; photoconductivity; semiconductor optical amplifiers; EAM junction resistance; SGDBR laser; absorbed photocurrent; electroabsorption modulator; electroabsorption-modulated analog links; integrated SGDBR laser; photocurrent effects; semiconductor optical amplifier; Bonding; Capacitance; Optical fiber communication; Optical modulation; Optical saturation; Optical waveguides; Photoconductivity; Power generation; Semiconductor lasers; Semiconductor optical amplifiers;
Conference_Titel :
Microwave Photonics, 2003. MWP 2003 Proceedings. International Topical Meeting on
Print_ISBN :
0-7803-8691-4
DOI :
10.1109/MWP.2003.1422854
