Measurement of pulse amplitude and phase distortion in a semiconductor optical amplifier: from pulse compression to breakup F Romstad, P Borri, W Langbein, J Mork, JM Hvam IEEE Photonics Technology Letters 12 (12), 1674-1676, 2000 | 58 | 2000 |
Experimental determination of the electrical band-gap energy of porous silicon and the band offsets at the porous silicon/crystalline silicon heterojunction FP Romstad, E Veje Physical Review B 55 (8), 5220, 1997 | 52 | 1997 |
Separation of coherent and incoherent nonlinearities in a heterodyne pump—probe experiment P Borri, F Romstad, W Langbein, AE Kelly, J Mørk, JM Hvam Optics express 7 (3), 107-112, 2000 | 34 | 2000 |
Heterodyne technique for measuring the amplitude and phase transfer functions of an optical modulator FP Romstad, D Birkedal, J Mork, JA Hvam IEEE Photonics Technology Letters 14 (5), 621-623, 2002 | 33 | 2002 |
Single-mode photonic-crystal VCSELs D Birkedal, S Bischoff, M Juhl, MH Madsen, FP Romstad US Patent 7,693,203, 2010 | 23 | 2010 |
Absorption recovery in strongly saturated quantum-well electroabsorption modulators S Hojfeldt, F Romstad, J Mork IEEE Photonics Technology Letters 15 (5), 676-678, 2003 | 16 | 2003 |
All-optical demultiplexing and wavelength conversion in an electroabsorption modulator LK Oxenlowe, E Hilliger, A Tersigni, AM Nik, S Hojfeldt, F Romstad, ... Proceedings 27th European Conference on Optical Communication (Cat. No …, 2001 | 16 | 2001 |
Photonic crystals for long-wavelength single-mode VCSELs F Romstad, S Bischoff, M Juhl, S Jacobsen, D Birkedal Vertical-Cavity Surface-Emitting Lasers XII 6908, 92-105, 2008 | 12 | 2008 |
Ultrashort pulse-propagation effects in a semiconductor optical amplifier: microscopic theory and experiment S Hughes, P Borri, A Knorr, F Romstad, JM Hvam IEEE Journal of selected topics in quantum electronics 7 (4), 694-702, 2001 | 12 | 2001 |
Characterisation of a MQW electroabsorption modulator as an all-optical demultiplexer LK Oxenlowe, F Romstad, A Tersigni, S Hojfeldt, K Yvind, ... LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society …, 2001 | 7 | 2001 |
Large-area single-mode photonic bandgap VCSELs D Birkedal, N Gregersen, S Bischoff, M Madsen, F Romstad, ... Optical Fiber Communication Conference, MF68, 2003 | 6 | 2003 |
Optical signal processing using electro-absorption modulators J Mørk, F Romstad, S Højfeldt, L Oxenløwe, K Yvind, L Xu, F Öhman, ... 11th European Conference on Integrated Optics. Proceedings, 45-54, 2003 | 6 | 2003 |
True photonic band-gap mode-control in VCSEL structures F Romstad, M Madsen, D Birkedal, N Gregersen, S Bischoff, J Erland 29th European Conference on Optical Communication, 40-41, 2003 | 5 | 2003 |
Bandwidth and chirp characterisation of wavelength conversion based on electroabsorption modulators L Xu, LK Oxenløwe, N Chi, FP Romstad, K Yvind, J Mørk, P Jeppesen, ... 28th European Conference on Optical Communication, 1-2, 2002 | 5 | 2002 |
Sub-picosecond pulse distortion in an InGaAsP optical amplifier FP Romstad, P Borri, S Bischoff, J Mørk, W Langbein, JM Hvam 25th European Conference on Optical Communication, 28-29, 1999 | 5 | 1999 |
Measurement of the amplitude and phase transfer functions of an optical modulator using a heterodyne technique F Romstad, D Birkedal, J Mork, JM Hvam LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society …, 2001 | 4 | 2001 |
Method for fabricating a photonic crystal or photonic bandgap vertical-cavity surface-emitting laser D Birkedal, S Bischoff, M Juhl, MH Madsen, FP Romstad US Patent 7,883,914, 2011 | 3 | 2011 |
2.5 Gbit/s modulation of 1300 nm single-mode photonic crystal VCSELs S Bischoff, F Romstad, M Juhl, M Madsen, J Hanberg, D Birkedal Optical Fiber Communication Conference, OFA6, 2006 | 3 | 2006 |
Photonic bandgap VCSELs D Birkedal, S Bischoff, F Romstad, M Madsen, J Ostergaard Conference on Lasers and Electro-Optics, 2004.(CLEO). 1, 2 pp. vol. 1, 2004 | 3 | 2004 |
Single-mode photonic bandgap VCSELs S Bischoff, F Romstad, M Madsen, J Erland, D Birkedal Proc. ECOC 596, 2004 | 3 | 2004 |