Laser light is usually limited to the same wavelength range as the spontaneous emission of the active material. A judicious choice of dielectric coatings on the cavity has now enabled laser emission far beyond the spectral range of the gain medium.
This is a preview of subscription content, access via your institution
Relevant articles
Open Access articles citing this article.
-
Phonon engineering in Yb:La2CaB10O19 crystal for extended lasing beyond the fluorescence spectrum
Light: Science & Applications Open Access 25 August 2023
Access options
Access Nature and 54 other Nature Portfolio journals
Get Nature+, our best-value online-access subscription
$29.99 / 30 days
cancel any time
Subscribe to this journal
Receive 12 print issues and online access
$209.00 per year
only $17.42 per issue
Rent or buy this article
Prices vary by article type
from$1.95
to$39.95
Prices may be subject to local taxes which are calculated during checkout
References
Maiman, T. H. Nature 187, 493–494 (1960).
Liang, F. et al. Nat. Phys. https://doi.org/10.1038/s41567-022-01748-z (2022).
Einstein, A. Phys. Z. 18, 121 (1917).
Moulton, P. F. Proc. IEEE 80, 348–364 (1992).
Sennaroglu, A. Prog. Quantum Electron. 26, 287–352 (2002).
Zhu, S., Zhu, Y. & Ming, N. Science 278, 843–846 (1997).
Ferreira, M. S. & Wetter, N. U. Opt. Lett. 46, 508–511 (2021).
Zahra, E. et al. Nat. Commun. 13, 2126 (2022).
Khurgin, J. B., Clerici, M. & Kinsey, N. Laser Photon. Rev. 14, 2000291 (2020).
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Competing interests
The author declares no competing interests.
Rights and permissions
About this article
Cite this article
Toncelli, A. Light in the darkness. Nat. Phys. 18, 1271–1272 (2022). https://doi.org/10.1038/s41567-022-01756-z
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41567-022-01756-z
This article is cited by
-
Phonon engineering in Yb:La2CaB10O19 crystal for extended lasing beyond the fluorescence spectrum
Light: Science & Applications (2023)