FDTD microcavity simulations: Design and experimental realization of waveguide-coupled single-mode ring and whispering-gallery-mode disk resonators

被引：210

作者：

Hagness, SC

Rafizadeh, D

Ho, ST

Taflove, A

机构：

[1] Dept. of Elec. and Comp. Engineering, McCormick School of Engineering, Northwestern University, Evanston

[2] Northwestern University, Evanston, IL

[3] Tau Beta Pi, Eta Kappa Nu

[4] Massachusetts Inst. of Technology, Cambridge, MA

[5] Aerospace Corporation, El Segundo, CA

[6] Lightwave Systems Research, AT and T Bell Laboratories, Crawford Hill, Holmdel, NJ

[7] AT and T Bell Laboratories, Murray Hill, NJ

[8] Dept. of Elect. and Comp. Eng., Northwestern University, Evanston, IL

[9] Phi Beta Kappa, Tau Beta Pi, Sigam Xi

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 1997年 / 15卷 / 11期

基金：

美国国家科学基金会;

关键词：

FDTD methods; integrated optics; microresonators; numerical analysis; optical device fabrication;

D O I：

10.1109/50.641537

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：

We investigate the properties of high-Q, wide free-spectral-range semiconductor microcavity ring and disk resonators coupled to submicron-width waveguides, Key optical design parameters are characterized using finite-difference time-domain (FDTD) solutions of the full-wave Maxwell's equations. We report coupling efficiencies and resonant frequencies that include the effects of waveguide dispersion and bending and scattering losses, For diameters of 5 mu m, the microcavity resonators can have Q's in the several thousands and a free spectral range of 6 THz (50 mn) in the 1.55 mu m, wavelength range, Studies of the transmittance characteristics illustrate the transition from single-mode resonances to whispering-gallery-mode resonances as the waveguide width of the microring is increased to form a solid microdisk. We present nanofabrication results and experimentally measured transmission resonances of AlGaAs/GaAs microcavity resonators designed in part with this method.

引用

页码：2154 / 2165

页数：12

共 47 条

[1] LESS-THAN-1 DB PER METER PROPAGATION LOSS OF SILICA WAVE-GUIDES MEASURED USING A RING-RESONATOR [J].