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Electrically injected photonic crystal edge-emitting quantum-dot light source

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5 Author(s)
Topol'ancik, J. ; Dept. of Electr. Eng. & Comput. Sci., Univ. of Michigan, Ann Arbor, MI, USA ; Pradhan, S. ; Yu, P.-C. ; Ghosh, S.
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An electrically injected photonic crystal (PC) edge-emitting light source with horizontally coupled waveguide, based on a GaAs heterostructure with self-organized InGaAs quantum dots emitting near 1 μm, is demonstrated. The emission spectra and near-field images indicate that the spontaneous emission from the low-Q resonant PC cavity is coupled to an adjacent PC missing defect waveguide and guided over the 70-μm waveguide length.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 4 )