Optical necklace states in Anderson localized 1D systems

Year: 2005

Authors: Bertolotti J., Gottardo S., Wiersma D., Ghulinyan M., Pavesi L.

Autors Affiliation: European Lab Nonlinear Spectroscopy, I-50019 Florence, Italy;
INFM, I-50019 Florence, Italy;
INFM, I-38050 Trento, Italy;
Univ Trent, Dept Phys, I-38050 Trento, Italy

Abstract: We report on the observation of nonlocalized modes or necklace states of light waves in disordered systems in the Anderson localized regime. The samples consist of positional-disordered binary multilayer systems. Anderson localized modes manifest themselves as narrow high-transmission peaks in the transmission spectrum, whereas the average of the logarithm of the transmission coefficient decreases linearly with thickness. Optical necklace states are observed as modes with a characteristic multiresonance time response and relatively fast decay time.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 94      Pages from: 113903  to: 113903

KeyWords: Anderson localized modes; Decay time; Nonlocalized modes; Optical necklace states, Light interference; Light scattering; Light transmission; Magnetron sputtering; Molecular beam epitaxy; Multilayers; Porosity; Resonance; Optical systems
DOI: 10.1103/PhysRevLett.94.113903

Citations: 163
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