НАНОСИСТЕМЫ: ФИЗИКА, ХИМИЯ, МАТЕМАТИКА, 2010, ТОМ 1, № 1, С. 7–25
ФАЗОВЫЕ ПЕРЕХОДЫ И ХРАНЕНИЕ КВАНТОВОЙ ОПТИЧЕСКОЙ ИНФОРМАЦИИ НА ОСНОВЕ ПОЛЯРИТОНОВ В ПРОСТРАНСТВЕННО-ПЕРИОДИЧЕСКИХ СТРУКТУРАХ.
В работе обсуждаются различные аспекты фазовых переходов и бозеэйнштейновской конденсации (БЭК) для двумерного газа поляритонов, формирующихся в полупроводниковых и атомных микро- и наноструктурах;рассмотрение ведется с точки зрения существующих экспериментальных возможностей и имеющихся технологических достижений. Предложен новый тип пространственно-периодической структуры – поляритонный кристалл (ПК), образованный двумерной решеткой удерживаемых двухуровневых атомов и взаимодействующих с электромагнитным полем в решетке туннельно-связанных микрорезонаторов. Основной акцент сделан на выяснении механизмов формирования когерентных поляритонов, определяемых связанными состояниями оптического поля и атомной среды для нижней ветви дисперсионной кривой поляритонов. Проанализированы случаи существенного изменения (замедления) групповой скорости оптических волновых пакетов в условиях квазиконденсации (или истинной конденсации) поляритонов. Показано, что структура ПК позволяет полностью локализовать поляритоны, что может быть использовано как для получения квазиконденсации поляритонов нижней дисперсионной ветви, так и для записи и хранения квантовой оптической информации распространяющегося светового излучения.
Ключевые слова: фазовые переходы, пространственно-периодические среды и фотонные кристаллы, поляритоны, квантовая информация.
УДК 535.14
PACS 42.50.Nn, 05.30.Jp, 32.70.Jz
Absolutely indited subject matter, regards for selective information.
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