Title :
Superfast 1.55 mu m DFB lasers
Author :
Morton, Paul A. ; Tanbun-Ek, T. ; Logan, R.A. ; Sciortino, P.F. ; Sergent, A.M. ; Wecht, K.W.
Author_Institution :
AT&T Bell Labs., Murray Hill, NJ, USA
Abstract :
Singlemode 1.55 mu m distributed feedback lasers with a modulation bandwidth of 22.5 GHz are reported. The devices use p-doped, strained multiquantum-well active regions to reduce the bandwidth limitations caused by hole transport, as well as increasing the intrinsic response of the device. The present 22.5 GHz bandwidth is limited by device parasitics.
Keywords :
distributed feedback lasers; optical communication equipment; semiconductor lasers; semiconductor quantum wells; 1.55 micron; 22.5 GHz; bandwidth limitations; device parasitics; distributed feedback lasers; hole transport; intrinsic response; modulation bandwidth; strained multiquantum-well active regions;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19930957
