F. Romstad

Large-area single-mode photonic bandgap VCSELs

Dan Birkedal, N. Gregersen, S. Bischoff, 2003, OFC 2003 Optical Fiber Communications Conference, 2003..

Photonic crystals for long-wavelength single-mode VCSELs

Dan Birkedal, S. Bischoff, F. Romstad, 2008, SPIE OPTO.

Measurement of pulse amplitude and phase distortion in a semiconductor optical amplifier: from pulse compression to breakup

F. Romstad, J. Mork, P. Borri, 2000, IEEE Photonics Technology Letters.