S. Hammerfeldt

High performance narrow linewidth thermally tuned semiconductor laser

Yasuhiro Matsui, Urban Eriksson, Niclas Carlsson, 2015, 2015 European Conference on Optical Communication (ECOC).

Narrow linewidth tunable semiconductor laser

Yasuhiro Matsui, U. Eriksson, E. Goobar, 2016, 2016 Compound Semiconductor Week (CSW) [Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS).

Monolithically Integrated 100 GHz DFB-TWEAM

L. Thylen, U. Westergren, S. Hammerfeldt, 2009, Journal of Lightwave Technology.

Design of a widely tunable modulated grating Y-branch laser using the additive Vernier effect for improved super-mode selection

S. Hammerfeldt, J. Buus, J.-O. Wesstrom, 2002, IEEE 18th International Semiconductor Laser Conference.