Luminescent detector for free-space optical communication

Luminescent detector for free-space optical communication

In one embodiment, an apparatus includes a wavelength-shifting element configured to receive an input-light signal. The wavelength-shifting element includes a wavelength-shifting material configured to absorb at least a portion of the received input-light signal and produce an emitted-light signal f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Tiecke, Tobias Gerard, Peyronel, Thibault Michel Max, Quirk, Kevin Jerome, Wang, Shih-Cheng
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
TRANSMISSION
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Beschreibung
Zusammenfassung:In one embodiment, an apparatus includes a wavelength-shifting element configured to receive an input-light signal. The wavelength-shifting element includes a wavelength-shifting material configured to absorb at least a portion of the received input-light signal and produce an emitted-light signal from the absorbed portion of the received input-light signal. The apparatus also includes a plasmonic grating comprising a plurality of plasmonic-grating elements configured to receive at least a portion of the emitted-light signal and direct the received portion of the emitted-light signal onto a photodetector. The apparatus further includes the photodetector configured to receive the directed portion of the emitted-light signal and produce an electrical current corresponding to the directed portion of the emitted-light signal.