Quantum cascade lasers are bright and compact semiconductor lasers that emit light in the mid- to far-infrared spectral region. The use of a closed ring cavity has now set them on the path towards ultrafast pulses.
This is a preview of subscription content, log in via an institution to check access.
References
Piccardo, M. et al. Nature https://doi.org/10.1038/s41586-020-2386-6 (2020).
Faist, J. et al. Science 264, 553–556 (1994).
Hugi, A. et al. Nature 492, 126–167 (2012).
Meng, B. I. Optica 7, 162–167 (2020).
Grelu, P. & Akhmediev, N. Nat. Photon. 6, 84–92 (2012).
Henry, C. IEEE J. Quantum Electron. 18, 259–264 (1982).
Opačak, N. & Schwarz, B. Phys. Rev. Lett. 123, 243902 (2019).
Shraiman, B. et al. Physica D 57, 241–248 (1992).
Kippenberg, T. J. et al. Science 361, 567–361 (2018).
Herr, T. et al. Nat. Photon. 8, 145–152 (2014).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Riemensberger, J. Ring a ring o’ pulses. Nat. Phys. 16, 708–709 (2020). https://doi.org/10.1038/s41567-020-0945-2
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41567-020-0945-2
- Springer Nature Limited