Physics – Optics
Scientific paper
2005-06-11
Phys. Rev. B, Vol 72, 205318, Nov. 10 2005
Physics
Optics
10 pages, 7 figures
Scientific paper
10.1103/PhysRevB.72.205318
Fiber taper waveguides are used to improve the efficiency of room temperature photoluminescence measurements of AlGaAs microdisk resonant cavities with embedded self-assembled InAs quantum dots. As a near-field collection optic, the fiber taper improves the collection efficiency from microdisk lasers by a factor of ~ 15-100 times in comparison to conventional normal incidence free-space collection techniques. In addition, the fiber taper can serve as a efficient means for pumping these devices, and initial measurements employing fiber pumping and collection are presented. Implications of this work towards chip-based cavity quantum electrodynamics experiments are discussed.
Krishna Sanjay
Painter Oskar
Srinivasan Kartik
Stintz Andreas
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