Subpicosecond pulse generation at 134 GHz and low radiofrequency spectral linewidth in quantum dash-based Fabry-Perot lasers emitting at 1.5 /spl mu/m |
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| Authors: | Gosset C Merghem K Martinez A Moreau G Patriarche G Aubin G Landreau J Lelarge F Ramdane A |
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| Affiliation: | Lab. de Photonique et Nanostruct., CNRS, Marcoussis, France; |
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| Abstract: | Passive modelocking in one-section monolithic semiconductor laser diodes based on a quantum dash active layer at very high repetition rate (>40 GHz), in the 1.5 /spl mu/m window, is demonstrated. 800 fs pulse generation, without any pulse compression scheme, at 134 GHz, is reported. A 50 kHz linewidth of the radiofrequency (RF) spectrum at 42 GHz is also demonstrated, the lowest value reported for any semiconductor passively modelocked laser. |
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