Gain spectroscopy of solution-based semiconductor nanocrystals in tunable optical microcavities

Patel, RK, Trichet, AAP, Coles, DM, Dolan, PR, Fairclough, SM, Leontiadou, M ORCID:, Tsang, SCE, Binks, DJ, Jang, E, Jang, H, Taylor, RA and Smith, JM 2015, 'Gain spectroscopy of solution-based semiconductor nanocrystals in tunable optical microcavities' , Advanced Optical Materials, 4 (2) , pp. 285-290.

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The lasing behavior of solution‐based colloidal quantum dots within an open microcavity is reported. The small size and wide tunability of the cavity provide single mode lasing over a wavelength range in excess of 25 nm. By extracting the lasing threshold and differential gain for the fundamental cavity mode over this spectral range, gain spectroscopy of the quantum dot solution is demonstrated. This new approach could help in the optimization of laser gain media and provides a way of constructing miniature laser arrays for on‐chip integration.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Advanced Optical Materials
Publisher: Wiley
ISSN: 2195-1071
Related URLs:
Funders: Engineering and Physical Sciences Research Council (EPSRC)
Date Deposited: 01 Apr 2019 14:07
Last Modified: 27 Aug 2021 21:22

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