Exceptional points in anisotropic photonic structures: from non-Hermitian physics to possible device applications
Exceptional points in anisotropic photonic structures: from non-Hermitian physics to possible device applications
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各向异性光子结构的特殊点:从非厄米物理到可能的设备应用
DOI:
10.1117/12.2260816
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发表时间:
2017
期刊:
影响因子:
--
通讯作者:
Rüdiger Schmidt-Grund
中科院分区:
文献类型:
--
作者:
Marius Grundmann;Steffen Richter;Tom Michalsky;Chris Sturm;Jesús Zúñiga-Pérez;Rüdiger Schmidt-Grund
We demonstrate that exceptional points exist in fully transparent, optically ”effectively” biaxial, anisotropic micro-cavities, fabricated using an uniaxial cavity material with its axis inclined to the Bragg mirror growth direction. This is similar to the existence of singular (optic) axes in absorbing biaxial crystals, but the lack of time reversal symmetry is mediated by the mode broadening, i.e. the photon escape from the – in principle – open cavity system. As a consequence the eigenmodes are generally elliptically polarized, and completely circularly polarized eigenmodes are expected in certain directions. Via geometric and chemical composition design degrees of freedom, the spectral and angular position of these chiral modes can be rationally designed. Possible applications arise from the use of such directions for circularly polarized emission without the use of spin injection or internal or external magnetic fields. Also the coupling of such modes to excitons, adding oscillator strength to the system, seems a promising avenue of research.
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DOI:
10.1002/pssr.201600295
发表时间:
2017-01
期刊:
physica status solidi (RRL) – Rapid Research Letters
影响因子:
--
作者:
M. Grundmann;C. Sturm;C. Kranert;S. Richter;R. Schmidt‐Grund;C. Deparis;J. Zúñiga-Pérez
通讯作者:
M. Grundmann;C. Sturm;C. Kranert;S. Richter;R. Schmidt‐Grund;C. Deparis;J. Zúñiga-Pérez
DOI:
--
发表时间:
2016
期刊:
影响因子:
--
作者:
M. Grundmann;J. Zúñiga
通讯作者:
J. Zúñiga
影响因子:
4
作者:
Richter, Steffen;Michalsky, Tom;Schmidt-Grund, Ruediger
通讯作者:
Schmidt-Grund, Ruediger
DOI:
--
发表时间:
--
期刊:
影响因子:
--
作者:
W. Voigt
通讯作者:
W. Voigt