Strong exciton-photon coupling in organic single crystal microcavity with high molecular orientation

被引：17

作者：

Goto, Kaname ^{[1
]}

Yamashita, Kenichi ^{[2
]}

Yanagi, Hisao ^{[3
]}

Yamao, Takeshi ^{[4
]}

Hotta, Shu ^{[4
]}

机构：

[1] Kyoto Inst Technol, Grad Sch Sci & Technol, Dept Elect, Sakyo Ku, Kyoto 6068585, Japan

[2] Kyoto Inst Technol, Fac Elect Engn & Elect, Sakyo Ku, Kyoto 6068585, Japan

[3] Nara Inst Sci & Technol NAIST, Grad Sch Mat Sci, 8916-5 Takayama, Nara 6300192, Japan

[4] Kyoto Inst Technol, Fac Mat Sci & Technol, Sakyo Ku, Kyoto 6068585, Japan

来源：

APPLIED PHYSICS LETTERS | 2016年 / 109卷 / 06期

关键词：

THIOPHENE/PHENYLENE CO-OLIGOMERS; SEMICONDUCTOR MICROCAVITIES; POLARITONS; EMISSION; GROWTH;

D O I：

10.1063/1.4960659

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Strong exciton-photon coupling has been observed in a highly oriented organic single crystal microcavity. This microcavity consists of a thiophene/phenylene co-oligomer (TPCO) single crystal laminated on a high-reflection distributed Bragg reflector. In the TPCO crystal, molecular transition dipole was strongly polarized along a certain horizontal directions with respect to the main crystal plane. This dipole polarization causes significantly large anisotropies in the exciton transition and optical constants. Especially the anisotropic exciton transition was found to provide the strong enhancement in the coupling with the cavity mode, which was demonstrated by a Rabi splitting energy as large as similar to 100meV even in the "half-vertical cavity surface emitting lasing" microcavity structure. Published by AIP Publishing.

引用

页数：5

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