Title :
Development of IR-emitting colloidal II-VI quantum-dot materials
Author :
Kershaw, Steve V. ; Harrison, Mike ; Rogach, Andrey L. ; Kornowski, Andreas
Author_Institution :
BT Labs., Ipswich, UK
Abstract :
The current state-of-the-art of colloidal II-VI nanocrystal formation using the aqueous/thiol synthesis route is described. Work on single component and heterostructures and mixed compound quantum dots is discussed. The purpose of the work is to provide a range of infrared (IR)-emitting materials with high quantum efficiency (QE) as potential gain media for future ultrawideband optical amplifiers for high-capacity wavelength-division multiplexing (WDM) telecommunications systems. Physical and chemical factors influencing particle sizes are described.
Keywords :
II-VI semiconductors; colloids; liquid phase deposition; nanostructured materials; photoluminescence; semiconductor growth; semiconductor optical amplifiers; semiconductor quantum dots; spectral line shift; CdTe; HgCdTe; HgS; HgSe; HgTe; IR-emitting colloidal II-VI quantum-dot materials; aqueous/thiol synthesis route; chemical factors; gain media; heterostructures; high quantum efficiency; high-capacity WDM telecommunications systems; mixed compound quantum dots; nanocrystal formation; particle sizes; physical factors; single component; ultrawideband optical amplifiers; Absorption; Erbium; Fiber nonlinear optics; Nonlinear optics; Optical amplifiers; Quantum dots; Semiconductor optical amplifiers; Silicon compounds; Stimulated emission; Wavelength division multiplexing;
Journal_Title :
Selected Topics in Quantum Electronics, IEEE Journal of
DOI :
10.1109/2944.865109
