Bistable enhanced total reflection in Kretschmann configuration containing a saturable gain medium

被引：0

作者：

Zhou, Haichun ^{[1
]}

Guo, Jie ^{[1
]}

Xu, Kun ^{[2
]}

Li, Zhe ^{[2
]}

Tang, Junqi ^{[1
]}

Man, Shiqing ^{[1
]}

机构：

[1] Yunnan Normal Univ, Sch Phys & Elect Informat Technol, Yunnan Key Lab Optoelect Informat Technol, Kunming 650500, Yunnan, Peoples R China

[2] Qujing Normal Univ, Res Ctr Magnet Mat & Devices, Key Lab Adv Funct & Low Dimens Mat, Yunnan Higher Educ Inst, Qujing 655011, Peoples R China

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 05期

基金：

中国国家自然科学基金;

关键词：

SURFACE-PLASMON POLARITONS; OPTICAL BISTABILITY; ASSISTED PROPAGATION; QUANTUM-WELLS; EXCITATION; EMISSION; WAVE;

D O I：

10.1364/OE.26.005270

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The reflection of a TM-polarized light beam from a Kretschmann configuration with a saturable gain medium is investigated theoretically. Here, the dielectric constant of the gain medium is described by a classical Lorentzian oscillator model. When surface plasmon polaritons are effectively excited in this structure, it is demonstrated that the curves of enhanced total reflection (ETR) show different shaped hysteresis loops associated with optical bistability owing to gain saturation effect. The effects of the angle of incidence, the thickness of metal film, and the value of small-signal gain on bistable ETR are discussed in detail in a homogeneously broadened (HB) gain medium at line center. Analogous results can also be obtained in an inhomogeneously broadened (inHB) gain medium, while the two switch thresholds and the width of optical bistability hysteresis in an inHB gain medium are significantly different from those in a HB gain medium. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：5253 / 5264

页数：12

共 14 条

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