Fabrication and optical characterization of hexagonal photonic crystal microcavities in InP-based membranes containing InAs/InP quantum dots -: art. no. 023101

被引：18

作者：

Dalacu, D ^{[1
]}

Frédérick, S

Bogdanov, A

Poole, PJ

Aers, GC

Williams, RL

McCutcheon, MW

Young, JF

机构：

[1] Natl Res Council Canada, Inst Microstruct Sci, Ottawa, ON K1A 0R6, Canada

[2] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

来源：

JOURNAL OF APPLIED PHYSICS | 2005年 / 98卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1063/1.1984078

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Hexagonal photonic crystal microcavities with missing-hole defects were fabricated in suspended InP membranes. Embedded InAs quantum dots were utilized as broadband emitters to characterize the modes of the cavities. Photoluminescence emission consists of two orthogonally polarized peaks corresponding to the two dipole modes of the hexagonal defect cavity of reduced symmetry. The emission wavelength ranges from 745 to 840 meV, depending on the crystal structure, and quality factors are up to 850. Finite-difference time-domain simulations reproduce the cavity mode energies and the quality factor dependence on the crystal structure, but predict quality factors systematically lower. The experimental quality factors and mode splittings are associated with a slight ellipticity of the lattice holes. (c) 2005 American Institute of Physics.

引用

页数：5

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