A Si-based quantum-dot light-emitting diodeWe report the demonstration of mechanically flexible quantum dot light emitting diodes ͑QD-LEDs͒ of all three primary colors ͑red, green, and blue͒. The QD-LEDs have been fabricated over poly͑ethylene-terephthalate͒ substrates and exhibited high brightness, saturated colors, and pronounced flexibility with a critical bending radius of ϳ5 mm. The efficiencies of the flexible QD-LEDs are comparable with the devices fabricated on rigid substrates, suggesting the intrinsic flexibility of quantum dot-based optoelectronic devices.

We report a fiber-attach solution interfacing self-aligned, standard-cleaved fibers to monolithic photonic integrated circuits, fabricated in Globalfoundries 300-mm CMOS production facilities. Statistical yield analysis and reliability assessment were performed to demonstrate the robustness of the proposed solution.

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