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Photonic-crystal waveguide for the second-harmonic generation |
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| Authors: | G M Savchenko V V Dudelev V V Lundin A V Sakharov A F Tsatsul’nikov E A Kognovitskaya S N Losev A G Deryagin V I Kuchinskii N S Averkiev G S Sokolovskii |
| Institution: | 1.Ioffe Institute,Russian Academy of Sciences,St. Petersburg,Russia;2.LETI St. Petersburg State Electrotechnical University,St. Petersburg,Russia;3.ITMO University,St. Petersburg,Russia;4.Submicron Heterostructures for Microelectronics Research and Engineering Center,Russian Academy of Sciences,St. Petersburg,Russia;5.Peter the Great St. Petersburg Polytechnic University,St. Petersburg,Russia |
| Abstract: | The possibility of efficient second-harmonic generation in the optical range in a planar dielectric waveguide with the active region in the form of a one-dimensional photonic crystal has been theoretically shown. The true phase matching can be achieved by controlling wave dispersion in the photonic crystal. The dispersion equations for the photonic crystal and three-layer waveguide have been self-consistently solved. It is shown that the coherence length may exceed 10 mm. |
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