Concept of multiorder multimode resonant optical filters

被引：57

作者：

Liu, ZS ^{[1
]}

Magnusson, R ^{[1
]}

机构：

[1] Univ Texas, Dept Elect Engn, Arlington, TX 76019 USA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2002年 / 14卷 / 08期

关键词：

diffractive optical element; grating; guided-mode resonance; optical filter; waveguide;

D O I：

10.1109/LPT.2002.1021979

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The idea of implementing optical filters by coupling evanescent waves from several diffracted orders into multiple leaky waveguide modes is studied theoretically. Using a dielectric thin-film structure consisting of a coupling grating placed between adjacent waveguides, guided-mode resonance filters exhibiting multiple reflection peaks within a specified wavelength range can be obtained. These peaks originate in the resonant waveguide modes that are excited by the diffracted waves dispersed by the grating. It is shown that this device can be used to realize multiwavelength as well as wide-band spectral filters.

引用

页码：1091 / 1093

页数：3

共 12 条

[1] REFLECTION OF A BEAM OF FINITE SIZE FROM A CORRUGATED WAVE-GUIDE [J].