Tunable Magnetic Alignment between Trapped Exciton-Polariton Condensates

被引：29

作者：

Ohadi, H. ^{[1
]}

Redondo, Y. del Valle-Inclan ^{[1
]}

Dreismann, A. ^{[1
]}

Rubo, Y. G. ^{[2
]}

Pinsker, F. ^{[3
]}

Tsintzos, S. I. ^{[4
]}

Hatzopoulos, Z. ^{[4
,5
]}

Savvidis, P. G. ^{[4
,6
]}

Baumberg, J. J. ^{[1
]}

机构：

[1] Univ Cambridge, Cavendish Lab, Dept Phys, Cambridge CB3 0HE, England

[2] Univ Nacl Autonoma Mexico, Inst Energias Renovables, Temixco 62580, Morelos, Mexico

[3] Univ Oxford, Clarendon Lab, Parks Rd, Oxford OX1 3PU, England

[4] Inst Elect Struct & Laser, Fdn Res & Technol Hellas, Iraklion 71110, Crete, Greece

[5] Univ Crete, Dept Phys, CCQCN, Iraklion 71003, Crete, Greece

[6] Univ Crete, Dept Mat Sci & Technol, Iraklion 71003, Crete, Greece

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 116卷 / 10期

基金：

英国工程与自然科学研究理事会;

关键词：

BOSE-EINSTEIN CONDENSATION; QUANTUM; OSCILLATORS; PHYSICS; LIGHT;

D O I：

10.1103/PhysRevLett.116.106403

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Tunable spin correlations are found to arise between two neighboring trapped exciton-polariton condensates which spin polarize spontaneously. We observe a crossover from an antiferromagnetic to a ferromagnetic pair state by reducing the coupling barrier in real time using control of the imprinted pattern of pump light. Fast optical switching of both condensates is then achieved by resonantly but weakly triggering only a single condensate. These effects can be explained as the competition between spin bifurcations and spin-preserving Josephson coupling between the two condensates, and open the way to polariton Bose-Hubbard ladders.

引用

页数：6

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