Abstract: An optical converting receiver, for changing a visible light beam into a near-infrared, NIR, light beam, includes a substrate, a non-silicon-based optical element located on the substrate and configured to receive the visible light beam and convert the visible light beam into the NIR light beam, a silicon-based optical element located on the substrate and optically coupled to the non-silicon-based optical element, the silicon-based optical element being configured to propagate the NIR light beam, and a photodetector located on the substrate and optically coupled to the silicon-based optical element, the photodetector being configured to convert the NIR light beam into an electrical signal.

Abstract: Embodiments of the present disclosure generally describe scintillation materials, including colloidal scintillation materials and solid scintillation materials, methods of preparing the scintillation materials, applications of the scintillation materials, methods of using the scintillation materials, and the like.

Abstract: A plastic optical fiber communication system includes a light source that emits a first signal having a first wavelength in a visible light spectrum, the first signal being encoded with information at a high data-rate of 0.1 to 10 Gbit/s; a pump laser system that emits a pump laser light having a second wavelength, different from the first wavelength; a perovskite-doped optical fiber excited by the pump laser light to generate an amplified spontaneous emission spectrum that encompasses the first wavelength so as to receive and amplify the first signal for generating an amplified output signal having the first wavelength; and a photodetector optically coupled to the perovskite-doped optical fiber, and configured to receive the amplified output signal at the high data-rate of 0.1 to 10 Gbit/s. The amplified output signal is encoded with the information.

Abstract: Described herein are compositions and methods relating to luminescent structures.

Abstract: Embodiments of the present disclosure provide for methods of making quantum dots (QDs) (passivated or unpassivated) using a continuous flow process, systems for making QDs using a continuous flow process, and the like. In one or more embodiments, the QDs produced using embodiments of the present disclosure can be used in solar photovoltaic cells, bio-imaging, IR emitters, or LEDs.

Abstract: A device including a material including halide perovskite nanocrystals forming a film and configured to receive first electromagnetic radiation having a first wavelength emitted by an excitation source, the first electromagnetic radiation is modulated to include information prior to being received by the material, the material is configured to absorb the first electromagnetic radiation including the information and to emit second electromagnetic radiation having a second wavelength and also including the information, the second wavelength being in the visible range, and the first wavelength of the first electromagnetic radiation is shorter than the visible range; a detector configured to receive the second electromagnetic radiation and to extract the information; and a screen connected to the detector and configured to display the information.

Abstract: Embodiments of the present disclosure provide devices and systems including a halide perovskite and/or phosphor to produce and/or communicate using visible light, and the like.

Abstract: A high-speed, wavelength-converting receiver that includes a housing; a high-speed, wavelength-converting layer attached to the housing and configured to absorb a first light having a first wavelength range and emit a second light having a second wavelength range, which is different from the first wavelength range; and a high-speed photodetector attached to the housing and having an active face configured to absorb the second light having the second wavelength range and generate an electrical signal. The active face of the photodetector is fully placed within the housing.

Abstract: Embodiments of the present disclosure provide for passivated quantum dots, methods of making passivated quantum dots, methods of using passivated quantum dots, and the like.

Abstract: A plastic optical fiber communication system includes a light source that emits a first signal having a first wavelength in a visible light spectrum, the first signal being encoded with information at a high data-rate of 0.1 to 10 Gbit/s; a pump laser system that emits a pump laser light having a second wavelength, different from the first wavelength; a perovskite-doped optical fiber excited by the pump laser light to generate an amplified spontaneous emission spectrum that encompasses the first wavelength so as to receive and amplify the first signal for generating an amplified output signal having the first wavelength; and a photodetector optically coupled to the perovskite-doped optical fiber, and configured to receive the amplified output signal at the high data-rate of 0.1 to 10 Gbit/s. The amplified output signal is encoded with the information.

Abstract: A high-speed, wavelength-converting receiver that includes a housing; a high-speed, wavelength-converting layer attached to the housing and configured to absorb a first light having a first wavelength range and emit a second light having a second wavelength range, which is different from the first wavelength range; and a high-speed photodetector attached to the housing and having an active face configured to absorb the second light having the second wavelength range and generate an electrical signal. The active face of the photodetector is fully placed within the housing.

Abstract: Embodiments of the present disclosure provide for passivated quantum dots, methods of making passivated quantum dots, methods of using passivated quantum dots, and the like.

Abstract: Embodiments of the present disclosure provide for solar cells including an organometallic halide perovskite monocrystalline film (see FIG. 1.1B), other devices including the organometallic halide perovskite monocrystalline film, methods of making organometallic halide perovskite monocrystalline film, and the like.

Abstract: Embodiments of the present disclosure provide for passivated quantum dots, methods of making passivated quantum dots, methods of using passivated quantum dots, and the like.

Abstract: Embodiments of the present disclosure provide devices and systems including a halide perovskite and/or phosphor to produce and/or communicate using visible light, and the like.

Abstract: Embodiments of the present disclosure provide for methods of making quantum dots (QDs) (passivated or unpassivated) using a continuous flow process, systems for making QDs using a continuous flow process, and the like. In one or more embodiments, the QDs produced using embodiments of the present disclosure can be used in solar photovoltaic cells, bio-imaging, IR emitters, or LEDs.

Abstract: Embodiments of the present disclosure generally describe scintillation materials, including colloidal scintillation materials and solid scintillation materials, methods of preparing the scintillation materials, applications of the scintillation materials, methods of using the scintillation materials, and the like.

Abstract: Embodiments of the present disclosure provide devices and systems including a material including a halide perovskite and/or phosphor to produce and/or communicate using visible light, and the like.

Abstract: Embodiments of the present disclosure provide methods of growing halide films (e.g., single crystal halide perovskites or multi-crystal halide perovskites) on a structure, dual-mode photodetectors, methods of use, and the like.

Abstract: Embodiments of the present disclosure provide for a continuous-flow reactor, methods of making metal nano-alloys, and metal nano-alloys.