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Mode-coupling Characteristics and efficiency of quantum-dot electrically injected photonic Crystal waveguide-coupled light-emitting diodes

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4 Author(s)
Yu, P. ; Dept. of Electr. Eng. & Comput. Sci., Univ. of Michigan, Ann Arbor, MI, USA ; Topoiancik, J. ; Chakravarty, S. ; Bhattacharya, Pallab

We have studied the transverse coupling of optical modes between a quantum-dot photonic crystal microcavity light-emitting diode and a photonic crystal missing-defect waveguide. From the emission spectra, it is evident that higher order anticrossings participate in the output coupling process. A 3% coupling efficiency between cavity and waveguide modes is estimated.

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Quantum Electronics, IEEE Journal of  (Volume:41 ,  Issue: 3 )