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Lossless backward second-harmonic generation of extremely narrow subdiffractive beams in two-dimensional photonic crystals

โœ Scribed by Nistor, C.; Cojocaru, C.; Karle, T.; Raineri, F.; Trull, J.; Raj, R.; Staliunas, K.

Book ID
111685405
Publisher
The American Physical Society
Year
2010
Tongue
English
Weight
430 KB
Volume
82
Category
Article
ISSN
1050-2947

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Collinear second harmonic generation of
Collinear second harmonic generation of 20 wavelengths in a single two-dimensional decagonal nonlinear photonic quasi-crystal
โœ Yan Sheng; Kaloian Koynov; Daozhong Zhang ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 489 KB

We report on the observation of quasi-phase matched collinear second harmonic generation (SHG) at 20 wavelengths in a two-dimensional nonlinear photonic quasi-crystal with decagonal lattice. We show that at some wavelengths the second harmonics are generated via standard quasi-phase matching, namely