najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2023-14-3-328-333najo-309Research ArticlePHYSICSФИЗИКАOscillating vorticity in single ring exciton polariton condensatesОсциллирующая завихренность в однокольцевых экситон-поляритонных конденсатахhttps://orcid.org/0000-0002-6565-916XЛукошкинВ. А.LukoshkinV. A.

Владимир А. Лукошкин

Vladimir A. Lukoshkin

26 Politechnicheskaya, 194021, St. Petersburg

Ulyanovskaya 1, St. Petersburg 198504

v.lukosh@mail.ioffe.ruСедоваИ. Е.SedovaI. E.

Ирина Е. Седова

Irina E. Sedova

87 Gorky str. 600000, Vladimir

iemedvedeva@vlsu.ruhttps://orcid.org/0000-0002-8010-2714КалевичВ. К.KalevichV. K.

Владимир К. Калевич

Vladimir K. Kalevich

26 Politechnicheskaya, 194021, St. Petersburg

Ulyanovskaya 1, St. Petersburg 198504

kalevich.solid@mail.ioffe.ruhttps://orcid.org/0000-0001-5684-151XСедовЕ. С.SedovE. S.

Евгений С. Седов

Evgeny S. Sedov

Ulyanovskaya 1, St. Petersburg 198504

87 Gorky str. 600000, Vladimir

evgenysedov@mail.ruХацопулосЗ.HatzopoulosZ.

Захариас Хацопулос

Zacharias Hatzopoulos

P.O. Box 1527, 71110 Heraklion, Crete

chatzop@physics.uoc.grhttps://orcid.org/0000-0002-8186-6679СаввидисП. Г.SavvidisP. G.

Павлос Г. Саввидис

Pavlos G. Savvidis

18 Shilongshan Rd., Hangzhou 310024, Zhejiang

18 Shilongshan Rd., Hangzhou, Zhejiang Province 310024

P.O. Box 1527, 71110 Heraklion, Crete

P.O. Box 2208, 71003 Heraklion, Crete

p.savvidis@westlake.edu.cnhttps://orcid.org/0000-0003-2713-1062КавокинА. В.KavokinA. V.

Алексей В. Кавокин

Alexey V. Kavokin

18 Shilongshan Rd., Hangzhou 310024, Zhejiang

18 Shilongshan Rd., Hangzhou, Zhejiang Province 310024

Institutskiy per., 9, Dolgoprudnyi, Moscow Region, 141701

Ulyanovskaya 1, St. Petersburg 198504

a.kavokin@westlake.edu.cnIoffe Institute, Russian Academy of Sciences; Spin Optics Laboratory, St. Petersburg State UniversityRussian FederationStoletov Vladimir State UniversityRussian FederationSpin Optics Laboratory, St. Petersburg State University; Stoletov Vladimir State UniversityRussian FederationFORTH-IESLGreeceKey Laboratory for Quantum Materials of Zhejiang Province, School of Science, Westlake University; Institute of Natural Sciences, Westlake Institute for Advanced Study; FORTH-IESL; Department of Materials Science and Technology, University of CreteChinaKey Laboratory for Quantum Materials of Zhejiang Province, School of Science, Westlake University; Institute of Natural Sciences, Westlake Institute for Advanced Study; Moscow Institute of Physics and Technology; Spin Optics Laboratory, St. Petersburg State UniversityChina202330062025143328333Copyright © Lukoshkin V.A., Sedova I.E., Kalevich V.K., Sedov E.S., Hatzopoulos Z., Savvidis P.G., Kavokin A.V., 20252025Лукошкин В.А., Седова И.Е., Калевич В.К., Седов Е.С., Хацопулос З., Саввидис П.Г., Кавокин А.В.Lukoshkin V.A., Sedova I.E., Kalevich V.K., Sedov E.S., Hatzopoulos Z., Savvidis P.G., Kavokin A.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/309

We study annular flows of exciton polaritons in exciton polariton condensates emerging in cylindrical optical micropillar cavities under the spatially localised non-resonant laser pumping. Annular flows indicate nonzero vorticity of the polariton condensate associated with the appearance of polariton vortices around the center of the micropillar. We report an experimental observation of single ring shaped condensates in the regime of vorticity oscillating in time. We reproduce the vorticity oscillations numerically and reveal possible control parameters for manipulating by the oscillation period.

Исследованы кольцевые токи экситонных поляритонов в экситон-поляритонных конденсатах, формирующихся в цилиндрических оптических резонаторах в форме микропилларов при пространственно-локализованной нерезонансной лазерной накачке. Кольцевые токи указывают на ненулевую завихрённость поляритонного конденсата, связанную с возникновением поляритонных вихрей вокруг центра микропиллара. Выполнено экспериментальное наблюдение конденсатов в форме одиночного кольца в режиме осциллирующей во времени завихрённости. Численно воспроизведены колебания завихрённости, и выявлены возможные управляющие параметры для манипулирования периодом колебаний.

 

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The authors declare that there are no conflicts of interest present.