Slow-light-enhanced single quantum dot emission in a unidirectional photonic crystal waveguide
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Granados, D
Ellis, DJP
Bennett, AJ
Patel, RB
Farrer, I
Anderson, D
Jones, GAC
Ritchie, DA
Shields, AJ
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Abstract
We report the observation of a Purcell enhancement of the in-plane spontaneous emission rates of InAsself-assembledquantum dots coupled to a mode of a unidirectional photonic crystal waveguidefabricated in GaAs(001). Three-dimensional finite-difference time-domain simulations predict the existence of high quality-factor modes due to the slow light resonances of the waveguide. These modes have been observed experimentally with microphotoluminescence and produce enhanced in-plane emission when resonant with a quantum dot.
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Applied Physics Letters
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96
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3
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Physical sciences
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Engineering
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