Whispering gallery mode emission at telecommunications-window wavelengths using PbSe nanocrystals attached to photonic beads

C. E. Finlayson*, P. J.A. Sazio, R. Sanchez-Martin, M. Bradley, T. A. Kelf, Jeremy J. Baumberg

*Awdur cyfatebol y gwaith hwn

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

15 Dyfyniadau (Scopus)

Crynodeb

We report the selective chemical attachment of infrared emitting PbSe nanocrystal quantum dots onto micron-scale glass photonic beads. Upon optical excitation, photoluminescence from the shell of nanocrystals is seen to couple into the high-Q 'whispering gallery' modes of the bead via the evanescent optical field, resulting in a series of sharp peaks being observed at wavelengths of around 1550 nm. Theoretical modelling gives a close agreement with the data for angular modes corresponding to l ∼ 120. This work demonstrates the potential of narrow-bandgap II-VI semiconductor nanocrystals for use in a wide range of telecommunications-window photonics applications.

Iaith wreiddiolSaesneg
Tudalennau (o-i)L21-L24
CyfnodolynSemiconductor Science and Technology
Cyfrol21
Rhif cyhoeddi3
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 01 Maw 2006

Ôl bys

Gweld gwybodaeth am bynciau ymchwil 'Whispering gallery mode emission at telecommunications-window wavelengths using PbSe nanocrystals attached to photonic beads'. Gyda’i gilydd, maen nhw’n ffurfio ôl bys unigryw.

Dyfynnu hyn