Dispersion and modulation of the linear optical properties of GaAs-AlAs superlattice waveguides using quantum-well intermixing

被引：13
作者：
Kleckner, TC [1 ]
Helmy, AS
Zeaiter, K
Hutchings, DC
Aitchison, JS
机构：
[1] Lumer Solut Inc, Vancouver, BC V6C 1H2, Canada
[2] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada
[3] Spheral Solar Power Inc, Cambridge, ON N3H 5M2, Canada
[4] Univ Glasgow, Dept Elect & Elect Engn, Glasgow G12 8QQ, Lanark, Scotland
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2006年 / 42卷 / 3-4期
基金：
加拿大自然科学与工程研究理事会;
关键词：
frequency conversion; integrated optics; nonlinear optics; optical waveguides; quantum well intermixing; quasi-phase matching (QPM); second-harmonic generation; semiconductor waveguides;
D O I：
10.1109/JQE.2005.864155
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 report on the large modulation of the optical properties of a 14:14 monolayer GaAs-AlAs superlattice wave-guide following quantum-well intermixing. Low-temperature photoluminescence measurements illustrate a large 169-meV differential blue-shift obtained between the disordering-suppressed and disordering-enhanced materials. Effective index measurements are presented as a function of polarization, for both the as-grown and disordered material for near-bandedge and half-bandedge wavelengths, which is the wavelength range 775-1550 nm. The largest effective refractive index shift observed was 9 x 10(-2) which exceeds that previously reported for disordered AlGaAs ternary multilayer structures, and illustrates the potential of the superlattice for the fabrication of etch-free, planar optical components with large index contrast.
引用
收藏
页码：280 / 286
页数：7
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