Highly Yb-doped KGd(WO4)2 thin-film amplifier

Yean Sheng Yong, S. Aravazhi, Sergio Andrés Vázquez-Córdova, Sonia Maria García Blanco, Markus Pollnau

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1 Citation (Scopus)


We report record-high small-signal gain of 1050 dB/cm at 981 nm wavelength in a KGd0.425Yb0.575(WO4)2 thin film. The sensitivity of gain to the shift of beam-focus position, which is critical under non-waveguiding conditions, is investigated.

Original languageEnglish
Title of host publication2015 Conference on Lasers and Electro-Optics, CLEO 2015
Place of PublicationWashington, D.C.
PublisherOptical Society of America
PagesPaper STh1G.5
Number of pages2
ISBN (Electronic)9781557529688
ISBN (Print)978-1-55752-968-8
Publication statusPublished - May 2015
EventConference on Lasers and Electro-Optics, CLEO 2015 - San Jose, United States
Duration: 10 May 201515 May 2015

Publication series

PublisherOptical Society of America


ConferenceConference on Lasers and Electro-Optics, CLEO 2015
Abbreviated titleCLEO
CountryUnited States
CitySan Jose


  • EWI-26061
  • IOMS-APD: Active Photonic Devices
  • Rare earth doped materials
  • IR-96040
  • Integrated optics materials
  • METIS-312626
  • Optical Amplifiers

Fingerprint Dive into the research topics of 'Highly Yb-doped KGd(WO<sub>4</sub>)<sub>2</sub> thin-film amplifier'. Together they form a unique fingerprint.

  • Cite this

    Yong, Y. S., Aravazhi, S., Vázquez-Córdova, S. A., García Blanco, S. M., & Pollnau, M. (2015). Highly Yb-doped KGd(WO4)2 thin-film amplifier. In 2015 Conference on Lasers and Electro-Optics, CLEO 2015 (Vol. 2015-August, pp. Paper STh1G.5). [7183967] Washington, D.C.: Optical Society of America. https://doi.org/10.1364/CLEO_SI.2015.STh1G.5