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Mode-locked terahertz quantum cascade laser by direct phase synchronization
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Mode-locked terahertz quantum cascade laser by direct phase synchronization

K. Maussang, J. Maysonnave, N. Jukam, J. R. Freeman, P. Cavalie, S. P. Khanna, E. H. Linfield, A. G. Davies, H. E. Beere, D. A. Ritchie, …
AIP conference proceedings, Vol.1566(1), pp.504-505
AIP Conference Proceedings
01/01/2013
DOI: https://doi.org/10.1063/1.4848506

Résumé

Engineering Engineering, Electrical & Electronic Physical Sciences Physics Physics, Applied Science & Technology Technology
Mode-locking of a terahertz quantum cascade laser is achieved using multimode injection seeding. Contrary to standard methods that rely on gain modulation, here a fixed phase relationship is directly imprinted to the laser modes. In this work, we demonstrate the generation of 9 ps phase mode-locked pulses around 2.75 THz. A direct measurement of the emitted field phase shows that it results from the phase of the initial injection.

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