Coherent light generators – Particular active media – Semiconductor
Reexamination Certificate
2007-08-07
2007-08-07
Menefee, James (Department: 2828)
Coherent light generators
Particular active media
Semiconductor
C977S951000, C977S825000
Reexamination Certificate
active
10734086
ABSTRACT:
This invention generally relates to nanotechnology and nanoelectronics as well as associated methods and devices. In particular, the invention relates to nanoscale optical components such as electroluminescence devices (e.g., LEDs), amplified stimulated emission devices (e.g., lasers), waveguides, and optical cavities (e.g., resonators). Articles and devices of a size greater than the nanoscale are also included. Such devices can be formed from nanoscale wires such as nanowires or nanotubes. In some cases, the nanoscale wire is a single crystal. In one embodiment, the nanoscale laser is constructed as a Fabry-Perot cavity, and is driven by electrical injection. Any electrical injection source may be used. For example, electrical injection may be accomplished through a crossed wire configuration, an electrode or distributed electrode configuration, or a core/shell configuration. The output wavelength can be controlled, for example, by varying the types of materials used to fabricate the device. One or more such nanoscale lasers may also be integrated with other nanoscale components within a device.
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Agarwal Ritesh
Duan Xiangfeng
Huang Yu
Lieber Charles M.
Menefee James
President & Fellows of Harvard College
Wolf Greenfield & Sacks
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