A new asynchronous coherent optical sampling method allows for the direct visualization of actively mode-locked quantum cascade laser pulses at terahertz wavelengths.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Paiella, R. Going ultrafast. Nature Photon 5, 253–255 (2011). https://doi.org/10.1038/nphoton.2011.73
Published:
Issue Date:
DOI: https://doi.org/10.1038/nphoton.2011.73
- Springer Nature Limited