Abstract: According to an example, apparatuses for performing multiple concurrent spectral analyzes on a sample under test include an optical system to concurrently direct a plurality of light beams onto analytes at multiple locations on the sample under test, in which the plurality of light beams cause light in either or both of a Raman spectra and a non-Raman spectra to be emitted from the analytes at the multiple locations of the sample under test. The apparatuses also include a detector to concurrently acquire a plurality of spectral measurements of the light emitted from the analytes at the multiple locations of the sample under test. Example methods of performing spectral analysis include use of the apparatuses.

Abstract: An apparatus for performing a sensing application includes a reservoir to contain a solution, a dispenser to dispense the solution from the reservoir, and a substrate having a plurality of nano-fingers positioned to receive the dispensed solution, in which the plurality of nano-fingers are flexible, such that the plurality of nano-fingers are configurable with respect to each other. The apparatus also includes an illumination source to illuminate the received solution, an analyte introduced around the plurality of nano-fingers, and the plurality of nano-fingers, in which light is to be emitted from the analyte in response to being illuminated. The apparatus further includes a detector to detect the light emitted from the analyte.

Abstract: A nanoparticle waveguide apparatus, a nanoparticle waveguide photonic system and a method of photonic transmission employ a nearfield-coupled nanoparticle (NCN) waveguide to cooperatively propagate an optical signal. The nanoparticle waveguide apparatus includes a first optical waveguide adjacent to a second optical waveguide, the first optical waveguide comprising an NCN waveguide having a plurality of nanoparticles. The nanoparticle waveguide photonic system further includes a nearfield coupling (NC) modulator. The method includes providing the NCN waveguides and modulating a coupling between one or both of first and second NCN waveguides and adjacent nanoparticles within one or both of the first and second NCN waveguides.

Abstract: A scattering spectroscopy nanosensor includes a nanoscale-patterned sensing substrate to produce an optical scattering response signal indicative of a presence of an analyte when interrogated by an optical stimulus. The scattering spectroscopy nanosensor further includes a protective covering to cover and protect the nanoscale-patterned sensing substrate. The protective covering is to be selectably removed by exposure to an optical beam incident on the protective covering. The protective covering is to prevent the analyte from interacting with the nanoscale-patterned sensing substrate prior to being removed.

Abstract: Various embodiments of the present invention are direct to nanoscale, reconfigurable, two-terminal memristor devices. In one aspect, a device (400) includes an active region (402) for controlling the flow of charge carriers between a first electrode (104) and a second electrode (106). The active region is disposed between the first electrode and the second electrode and includes a storage material. Excess mobile oxygen ions formed within the active region are stored in the storage material by applying a first voltage.

Abstract: Examples of integrated sensors are disclosed herein. An example of an integrated sensor includes a substrate and a sensing member formed on a surface of the substrate. The sensing member includes collapsible signal amplifying structures and an area surrounding the collapsible signal amplifying structures that enables self-positioning of droplets exposed thereto toward the collapsible signal amplifying structures.

Abstract: A slot-line waveguide optical switch system and method are disclosed. An optical switch system can include a slot-line waveguide optical switch that includes a plurality of wall portions that are each formed from a high refractive-index material and that are arranged to form a channel portion comprising an electro-optic material interposed to extend between the plurality of wall portions. The channel portion can include an input channel to receive an input optical signal and plural output channels to receive the input optical signal from the input channel. A channel switching system can provide a voltage to an electrode coupled to a corresponding wall portion to change a relative refractive index in the output channels via the electro-optic material and thereby switch the input optical signal to one of the output channels.

Abstract: In an implementation, a Germanium on insulator apparatus is fabricated by forming a patterned masking layer on a Silicon on insulator (SOI) layer that leaves a portion of the SOI layer exposed, implanting Germanium onto the exposed portion of the SOI layer to form a Silicon-Germanium island, depositing amorphous Germanium over the Silicon-Germanium island and the patterned masking layer, removing the patterned masking layer and the amorphous Germanium that was deposited onto the patterned masking layer to produce a Silicon-Germanium composite stripe, and annealing the Silicon-Germanium composite stripe to crystallize the amorphous Germanium in the Silicon-Germanium composite stripe.

Abstract: An apparatus for dynamically varying an optical characteristic of a light beam includes an optical element configured to receive a beam of light. The optical element includes at least one sub-wavelength grating formed of a plurality of lines. The apparatus includes at least one actuator connected to at least one component of the optical element and a controller for controlling the at least one actuator to dynamically vary a characteristic of the beam of light that is at least one of emitted through and reflected from the optical element.

Abstract: A resistive memory device includes a stack comprising conductor layers and insulator layers, with the edges of the conductor layers and insulating layers exposed on the sides of the stack. An insulator is disposed on a first side of the stack to cover exposed edges of the conductor layers on the first side of the stack. A memory layer disposed over the stack and insulator, such that the memory layer is in electrical contact with edges of the conductor layers on a second side of the stack but is insulated from edges on the first side of the stack by the insulator. A conductive ribbon is disposed over the memory layer to form programmable memory elements where the conductive ribbon crosses edges of the conductor layers on the second side of the stack.

Abstract: The present disclosure is drawn to traveling wave dielectrophoresis sensing devices and associated methods. In an example, a traveling wave dielectrophoresis sensing device can comprise an array of electromagnetic field enhancing nanostructures attached to the substrate, the electromagnetic field enhancing nanostructures including a metal; a plurality of conductive element electrically associated with the electromagnetic field enhancing nanostructures; and a controller for applying alternating and out of phase potential to the plurality of conductive elements to form traveling wave dielectrophoretic forces within the array.

Abstract: According to an example, apparatuses for performing multiple concurrent spectral analyses on a sample under test include an optical system to concurrently direct a plurality of light beams onto analytes at multiple locations on the sample under test, in which the plurality of light beams cause light in either or both of a Raman spectra and a non-Raman spectra to be emitted from the analytes at the multiple locations of the sample under test. The apparatuses also include a detector to concurrently acquire a plurality of spectral measurements of the light emitted from the analytes at the multiple locations of the sample under test. Example methods of performing spectral analysis include use of the apparatuses.

Abstract: A system includes a transmitter to multiplex a plurality of modulated optical signals and an unmodulated optical signal and to transmit the plurality of modulated optical signals and the unmodulated optical signal along a transmission path. The system also includes a receiver to de-multiplex each of the plurality of modulated optical signals and the unmodulated optical signal and to demodulate each of the plurality of modulated optical signals with the unmodulated optical signal to coherently detect a modulating signal from each of the plurality of modulated optical signals.

Abstract: A memcapacitor device (100) includes a first electrode (104) and a second electrode (106) and a memcapacitive matrix (102) interposed between the first electrode (104) and the second electrode (106). Mobile dopants (111) are contained within the memcapacitive matrix (102) and are repositioned within the memcapacitive matrix (102) by the application of a programming voltage (126) across the first electrode (104) and second electrode (106) to alter the capacitance of the memcapacitor (100). A method for utilizing a memcapacitive device (100) includes applying a programming voltage (126) across a memcapacitive matrix (102) such that mobile ions (111) contained within a memcapacitive matrix (102) are redistributed and alter a capacitance of the memcapacitive device (100), then removing the programming voltage (126) and applying a reading voltage to sense the capacitance of the memcapacitive device (100).

Abstract: An ionic device includes a layer of an ionic conductor containing first and second species of impurities. The first species of impurity in the layer is mobile in the ionic conductor, and a concentration profile of the first species determines a functional characteristic of the device. The second species of impurity in the layer interacts with the first species within the layer to create a structure that limits mobility of the first species in the layer.

Abstract: Image capturing systems are disclosed. In one aspect, an image capturing system includes an image capture device and at least two light-deflecting devices associated with the image capture device. The image capture device is capable of capturing different perspective views of objects in a scene. The at least two light-deflecting devices are positioned between the image capture device and the scene. The at least two light-deflecting devices are capable of being oriented in at least two different orientations to re-direct the path of light rays from the objects in the scene to the associated image capture device, enabling the capture of successive perspective views of the scene.

Abstract: Scattering spectroscopy employs a scattering spectroscopy enhancing structure having a hotspot on a first side of a substrate and a nanopore in the substrate, where the nanopore is aligned with the hotspot.

Abstract: A device contains a first layer, a second layer; and a membrane between the first and second layers. Mobile ions are in at least one of the first and second layers, and the membrane is permeable to the ions. Interfaces of the conductive membrane with the first layer and the second layer are such that charge of a polarity of the ions collects at the interfaces.

Abstract: A method includes fabricating a circuit element and a connection to the circuit element for a photonic integrated circuit. The method includes associating a configurable material with the circuit element and activating the configurable material via a poling rail and the connection to the circuit element during production of the integrated circuit.

Abstract: An optical heterodyne device includes an optical meta-material exhibiting non-linear behavior. The optical meta-material mixes an input signal and a local signal to produce a heterodyne signal.