Coherent sampling of active mode-locked terahertz quantum cascade lasers and frequency synthesis
0301 basic medicine
0303 health sciences
03 medical and health sciences
0103 physical sciences
02 engineering and technology
[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
[PHYS.ASTR] Physics [physics]/Astrophysics [astro-ph]
0210 nano-technology
530
01 natural sciences
DOI:
10.1038/nphoton.2011.49
Publication Date:
2011-04-24T18:39:51Z
AUTHORS (9)
ABSTRACT
Researchers demonstrate a terahertz quantum cascade laser operating in a regime of active mode-locking by modulating its bias current with a radiofrequency synthesizer. This technique allows coherent sampling of the terahertz electric field as well as control over the laser's carrier–envelope phase shift.
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