Physics – Popular Physics
Scientific paper
2004-10-08
Phys. Rev. A 71, 053813 (2005) [10 pages]
Physics
Popular Physics
10 pages, 10 figures, corrected pdf, inserted new reference
Scientific paper
10.1103/PhysRevA.71.053813
We have performed angle-resolved measurements of spontaneous-emission spectra from laser dyes and quantum dots in opal and inverse opal photonic crystals. Pronounced directional dependencies of the emission spectra are observed: angular ranges of strongly reduced emission adjoin with angular ranges of enhanced emission. It appears that emission from embedded light sources is affected both by the periodicity and by the structural imperfections of the crystals: the photons are Bragg diffracted by lattice planes and scattered by unavoidable structural disorder. Using a model comprising diffuse light transport and photonic band structure, we quantitatively explain the directional emission spectra. This provides detailed understanding of the transport of spontaneously emitted light in real photonic crystals, which is essential in the interpretation of quantum-optics in photonic band-gap crystals and for applications wherein directional emission and total emission power are controlled.
Lodahl Peter
Nikolaev Ivan S.
Vos Willem L.
No associations
LandOfFree
Quantitative analysis of directional spontaneous emission spectra from light sources in photonic crystals does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Quantitative analysis of directional spontaneous emission spectra from light sources in photonic crystals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quantitative analysis of directional spontaneous emission spectra from light sources in photonic crystals will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-316544