Design of Rare-Earth-Doped Microspheres

被引：15

作者：

Mescia, Luciano ^{[1
]}

Prudenzano, Francesco ^{[2
]}

De Sario, Marco ^{[1
]}

Palmisano, Tommaso ^{[2
]}

Ferrari, Maurizio ^{[3
]}

Righini, Giancarlo C. ^{[4
]}

机构：

[1] Politecn Bari, DEE, I-70125 Bari, Italy

[2] Politecn Bari, DIASS, I-70100 Taranto, Italy

[3] Inst Photon & Technol, CNR IFN, CSMFO Lab, I-38100 Trento, Italy

[4] Ist Fis Applicata, CNR IFAC, MDF Lab, I-50019 Sesto Fiorentino, Italy

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2010年 / 22卷 / 06期

关键词：

Active microsphere; finite-difference time-domain (FDTD) method; rare earth; rate equations; FDTD; RESONATORS; SYSTEM; LASER;

D O I：

10.1109/LPT.2009.2039932

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：

Two original computer codes for the design of rare-earth-doped dielectric microspheres have been ad hoc developed. The former code is based on a finite-difference time-domain algorithm, suitably extended to model the amplification of the whispering-gallery modes propagating into rare-earth-doped microspheres. It takes into account the wavelength dispersion of the microsphere refractive index and the polarization obtained via the density matrix model. The design of an Er(3+)-doped silica microsphere coupled with a tapered silica fiber is reported. The latter home-made computer code solves the rate equations and the power propagation equations in frequency domain. The results are in excellent agreement.

引用

页码：422 / 424

页数：3

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