Fabry-Pérot resonance coupling associated exceptional points in a composite grating structure

doi:10.1088/1674-1056/27/5/054201

中国物理B ›› 2018, Vol. 27 ›› Issue (5): 54201-054201.doi: 10.1088/1674-1056/27/5/054201

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Fabry-Pérot resonance coupling associated exceptional points in a composite grating structure

Zhi-Sen Jiang(蒋之森), De-Jiao Hu(胡德娇), Lin Pang(庞霖), Fu-Hua Gao(高福华), Ping Wang(王平)

1 Key Laboratory of High Energy Density Physics and Technology of Ministry of Education, Sichuan University, Chengdu 610065, China;
2 College of Physical Science and Technology, Sichuan University, Chengdu 610065, China;
3 Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou 510632, China

收稿日期:2017-12-23 修回日期:2018-01-15 出版日期:2018-05-05 发布日期:2018-05-05
通讯作者: Lin Pang E-mail:lin.lpang@gmail.com
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos.61377054 and 61675140).

Fabry-Pérot resonance coupling associated exceptional points in a composite grating structure

Zhi-Sen Jiang(蒋之森)^1,2, De-Jiao Hu(胡德娇)³, Lin Pang(庞霖)^1,2, Fu-Hua Gao(高福华)^1,2, Ping Wang(王平)^1,2

1 Key Laboratory of High Energy Density Physics and Technology of Ministry of Education, Sichuan University, Chengdu 610065, China;
2 College of Physical Science and Technology, Sichuan University, Chengdu 610065, China;
3 Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou 510632, China

Received:2017-12-23 Revised:2018-01-15 Online:2018-05-05 Published:2018-05-05
Contact: Lin Pang E-mail:lin.lpang@gmail.com
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos.61377054 and 61675140).

摘要/Abstract

摘要： The exceptional point (EP) is a significant and attractive phenomenon in an open quantum system. The scattering properties of light are similar to those in the open quantum system, which makes it possible to achieve EP in the optic system. Here we investigate the EP in a Fabry-Pérot (F-P) resonant coupling structure. The coupling between different types of F-P resonances leads to a near zero reflection, which results in a degeneration of eigenstates and thus the appearing of EP. Furthermore, the multi-wavelength EPs and unidirectional invisibility can be achieved which may be used in integrated photonics systems.

关键词: exceptional point, Fabry-Pérot resonance, metallic grating

Abstract: The exceptional point (EP) is a significant and attractive phenomenon in an open quantum system. The scattering properties of light are similar to those in the open quantum system, which makes it possible to achieve EP in the optic system. Here we investigate the EP in a Fabry-Pérot (F-P) resonant coupling structure. The coupling between different types of F-P resonances leads to a near zero reflection, which results in a degeneration of eigenstates and thus the appearing of EP. Furthermore, the multi-wavelength EPs and unidirectional invisibility can be achieved which may be used in integrated photonics systems.

Key words: exceptional point, Fabry-Pérot resonance, metallic grating

中图分类号: (Optical system design)

42.15.Eq

42.25.Fx (Diffraction and scattering) 42.79.Dj (Gratings)

蒋之森, 胡德娇, 庞霖, 高福华, 王平. Fabry-Pérot resonance coupling associated exceptional points in a composite grating structure[J]. 中国物理B, 2018, 27(5): 54201-054201.

Zhi-Sen Jiang(蒋之森), De-Jiao Hu(胡德娇), Lin Pang(庞霖), Fu-Hua Gao(高福华), Ping Wang(王平). Fabry-Pérot resonance coupling associated exceptional points in a composite grating structure[J]. Chin. Phys. B, 2018, 27(5): 54201-054201.

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Fabry-Pérot resonance coupling associated exceptional points in a composite grating structure

Fabry-Pérot resonance coupling associated exceptional points in a composite grating structure

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