Quantum photonic imagers and methods of fabrication thereof

Coherent light generators – Particular active media – Semiconductor

Reexamination Certificate

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C372S045010, C372S046013, C372S050122, C345S046000, C345S048000, C345S083000, C348S086000, C348S023000, C257SE27135, C257SE33008, C353S038000, C438S022000, C438S031000, C438S034000, C438S037000, C438S046000

Reexamination Certificate

active

07623560

ABSTRACT:
Emissive quantum photonic imagers comprised of a spatial array of digitally addressable multicolor pixels. Each pixel is a vertical stack of multiple semiconductor laser diodes, each of which can generate laser light of a different color. Within each multicolor pixel, the light generated from the stack of diodes is emitted perpendicular to the plane of the imager device via a plurality of vertical waveguides that are coupled to the optical confinement regions of each of the multiple laser diodes comprising the imager device. Each of the laser diodes comprising a single pixel is individually addressable, enabling each pixel to simultaneously emit any combination of the colors associated with the laser diodes at any required on/off duty cycle for each color. Each individual multicolor pixel can simultaneously emit the required colors and brightness values by controlling the on/off duty cycles of their respective laser diodes.

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