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Three-dimensional dynamic photonic crystal creation by four laser beams interference in colloidal quantum dotsстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 28 октября 2016 г.
- Авторы: Smirnov A.M., Mantsevich V.N., Ezhova K.V., Tikhonov I.V., Dneprovskii V.S.
- Журнал: Proceedings of SPIE - The International Society for Optical Engineering
- Том: 9894
- Год издания: 2016
- Издательство: SPIE, the International Society for Optical Engineering
- Местоположение издательства: Bellingham, WA, United States
- Первая страница: 98940O-1
- Последняя страница: 98940O-6
- DOI: 10.1117/12.2227839
- Аннотация: We investigate a simple way to create dynamic photonic crystals with different lattice symmetry by interference of four non-coplanar laser beams in colloidal solution of CdSe/ZnS quantum dots (QDs). The formation of dynamic photonic crystal was confirmed by the observed diffraction of the beams that have excited photonic crystal at the angles equal to that calculated for the corresponding three-dimensional lattice (self-diffraction regime). Self-diffraction from an induced 3D transient photonic crystal has been discovered in the case of resonant excitation of the excitons (electron – hole transitions) in CdSe/ZnS QDs (highly absorbing colloidal solution) by powerful beams of mode-locked laser with picosecond pulse duration. Self-diffraction arises for four laser beams intersecting in the cell with colloidal CdSe/ZnS QDs due to the induced 3D dynamic photonic crystal. The physical processes that arise in CdSe/ZnS QDs and are responsible for the observed self-action effects are discussed.
- Добавил в систему: Козлова Мария Владимировна