Lei, K.-L., Chow, C.-F., Tsang, K.-C., Lei, E. N.Y., Roy, V.A.L. , Lam, M. H.W., Lee, C.S., Pun, E.Y.B. and Li, J. (2010) Long aliphatic chain coated rare-earth nanocrystal as polymer-based optical waveguide amplifiers. Journal of Materials Chemistry, 20(35), pp. 7526-7529. (doi: 10.1039/c0jm00706d)
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Abstract
Oleic acid-coated erbium–ytterbium co-doped NaYF4 nanocrystals, NaY78%F4 : Yb20%Er2%, have been synthesized. The cubic nanocrystals were of an average size of 10 nm. The nanocrystals showed excellent redispersibility in common organic solvents and the KMBR® polymer matrix. An optical waveguide amplifier was fabricated by doping 0.1 wt% of the nanocrytals into the KMPR® polymeric host. At a small input signal power of 150 nW and a pump power of 150 mW, an optical gain of 4.81 dB cm−1 at 1535 nm was achieved.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Vellaisamy, Professor Roy |
Authors: | Lei, K.-L., Chow, C.-F., Tsang, K.-C., Lei, E. N.Y., Roy, V.A.L., Lam, M. H.W., Lee, C.S., Pun, E.Y.B., and Li, J. |
College/School: | College of Science and Engineering > School of Engineering |
Journal Name: | Journal of Materials Chemistry |
Publisher: | Royal Society of Chemistry |
ISSN: | 0959-9428 |
ISSN (Online): | 1364-5501 |
Published Online: | 02 August 2010 |
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