Abstract: Example embodiments relate to lasers that include loop resonators. One example laser includes a loop resonator forming a closed loop light path. The loop resonator includes an optical gain medium configured to lase. The loop resonator is configured to, during lasing, present a pair of modes: a mode of light propagating in a clockwise direction in the closed loop light path of the loop resonator (termed CW mode) and a mode of light propagating in a counter-clockwise direction in the closed loop light path of the loop resonator (termed CCW mode). The laser also includes a first light output configured to output laser light from the laser. Additionally, the laser includes an optical power modulating unit. The optical power modulation unit is configured to modulate an optical power of the CW mode of the loop resonator and an optical power of the CCW mode of the loop resonator.

Abstract: A computer implemented method predicts by a neural network a radio spectrum usage in an environment comprising interferers and a plurality of wireless nodes. The nodes operate via a slotted medium access control, MAC, protocol within a radio spectrum. The method includes the following steps: obtaining per slot the radio spectrum usage by sensing the radio spectrum, labelling the slots as usable when a respective radio spectrum usage is lower than a predefined noise threshold or when a node successfully transmitted a packet through it, unusable when it is not usable and suitable to receive a packet, and calculating a loss function as a cross entropy loss with the usable and unusable slots over a total number of usable and unusable slots, and training the neural network by minimizing the loss function.

Abstract: The present invention relates to a method for integrating an electronic circuit in or on a medical stent. The method comprises obtaining (101) a deformable medical stent (21) in a substantially planar shape, in which the deformable medical stent is adapted for being deployed in a substantially cylindrical shape in the body. The method also comprises attaching (104) a deformable electronic circuit (22) onto the deformable medical stent in the planar shape thereby forming a deformable hybrid structure. The method also comprises shaping (107) said hybrid structure into the cylindrical shape.

Abstract: Example embodiments relate to multilevel coupling for phase front engineering. An example integrated optical structure for phase front engineering of optical beams includes a substrate. The integrated optical structure also includes a plurality of optical layers formed on the substrate. Each of the optical layers includes an optical phased array that includes a plurality of optical waveguides. Each of the optical layers also includes a coupling section for each of the optical waveguides. Each coupling section is configured to control the phase of an optical beam coupling out of the optical waveguide. Additionally, the integrated optical structure includes a slab waveguide formed on the substrate and between two of the optical layers. The slab waveguide is in optical communication with the coupling sections of the two optical layers. The slab waveguide includes a slab waveguide outcoupling structure.

Abstract: A device for light-based analysis of a substance in a liquid sample comprises: an analysis cell for holding the liquid sample during analysis; a plunger configured for movement along walls of the analysis cell for allowing entry of the liquid sample into the analysis cell and pushing the liquid sample out of the analysis cell, wherein a first analysis measurement is allowed to be performed while a second portion of the plunger is arranged between a light source and a light detector; wherein the plunger is movable to a completely retracted position in the analysis cell for allowing a second analysis measurement to be performed such that light being detected by the light detector is passed through the liquid sample filling a space between opposite walls of the analysis cell.

Abstract: The disclosed technology relates to a logic device based on spin waves. In one aspect, the logic device includes a spin wave generator, a waveguide, at least two phase shifters, and an output port. The spin wave generator is connected with the waveguide and is configured to emit a spin wave in the waveguide. The at least two phase shifters are connected with the waveguide at separate positions such that, when a spin wave is emitted by the spin wave generator, it passes via the phase shifters. The at least two phase shifters are configured to change a phase of the passing spin wave. The output port is connected with the wave guide such that the at least two phase shifters are present between the spin wave generator and the output port.

Abstract: The present invention relates to a spectral sensor. The spectral sensor comprising: a light detecting element; a microlens; and an interference filter arranged between the light detecting element and the microlens, and configured to transmit light in one or more spectral bands; wherein the microlens has an effective focal length (F) exceeding a distance (D) between the microlens and the light detecting element. The microlens may be configured such that light refracted by the microlens, to be transmitted through the interference filter, converges towards a position (P) behind the light detecting element. The present invention further relates to an image sensor comprising a plurality of spectral sensors.

Abstract: An electron microscopy grid, includes: (i) a perforated substrate, (ii) a support film on the perforated substrate, the support film having a thickness of 60 ? or less, and (iii) linkers attached on top of the support film. The linkers has at least one affinity group for immobilizing an analyte; wherein the linkers form a non-random pattern on the support film.

Abstract: According to an aspect of the present inventive concept there is provided a device for imaging of a microscopic object, the device comprising: an array of light sensitive areas, each being sensitive to detect light spanning a wavelength range of at least 400-1200 nm; at least one light source configured to generate light at a plurality of wavelengths within the wavelength range, comprising at least one wavelength in a visible part of the wavelength range and at least one wavelength in a short-wave infrared, SWIR, part of the wavelength range, and arranged to illuminate the microscopic object with the generated light such that at least part of the light is scattered by the microscopic object; wherein the device is configured to transmit the scattered light and non-scattered light, from the same light source, to the array of light sensitive areas configured to detect an interference pattern formed between the scattered light and the non-scattered light, for each wavelength.

Abstract: A method for facilitating robust radar detection comprises generating a radar signal in a digital domain along at least one transmission path, the radar signal comprises a number of M periodic repetitions of a code sequence with a length Lc, multiplied with a progressive phase rotation ej·?/K·n, where Lc and M are integers, K is an integer or a non-integer, and n is a discrete time index corresponding to a code rate. The method further comprises generating a process input signal in the digital domain along at least one receiving path from a digitized reflection signal corresponding to the radar signal by multiplying the digitized reflection signal with a progressive phase rotation e?j·?/K·n. In this context, K is defined such that a ratio Lc/2·K is a non-integer, and M is defined such that a ratio Lc·M/2·K is an integer.

Abstract: A method for providing a film of one or more monolayers of transition metal dichalcogenides on a substrate is disclosed. The method includes providing a substrate; depositing at least one monolayer of the transition metal dichalcogenides on the substrate; and selectively removing superficial islands on top of the at least one monolayer by thermal etching.

Abstract: Josephson junction based memory devices and methods for their use are described herein. An example Josephson junction based memory device includes a plurality of superconducting loops. Each superconducting loop includes at least one Josephson junction. The plurality of superconducting loops are electrically coupled. The plurality of superconducting loops include a plurality of input loops, a plurality of readout loops, and at least one shared loop. The plurality of superconducting loops are configured to store or annihilate magnetic flux quanta in one or more of the superconducting loops in response to a combination of control signals and single flux quantum (SFQ) pulses.

Abstract: The disclosed technology relates generally to magnetic devices, and more particularly to magnetic memory and/or logic devices. In an aspect, a spintronic device comprises a tunnel barrier, a storage layer provided on the tunnel barrier, and a seed layer provided on the storage layer. The storage layer includes a first magnetic layer having a first crystallographic orientation provided on the tunnel barrier, a spacer layer provided on the first magnetic layer, a second magnetic layer having a second crystallographic orientation provided on the spacer layer and exchange coupled to the first magnetic layer, an antiferromagnetic coupling layer provided on the second magnetic layer, and a third magnetic layer having the second crystallographic orientation provided on the antiferromagnetic coupling layer and antiferromagnetically coupled to the second magnetic layer.

Abstract: A method for forming a modified resonator is provided. In one aspect, the method includes obtaining a resonator on top of a substrate, thereby forming an interface area between a bottom surface of the resonator and a top surface of the substrate. The resonator can include niobium or tantalum. The method also includes contacting the resonator and the substrate with a liquid acidic etching solution selected so as to have a higher etch rate towards the substrate than towards the resonator and a nonzero etch rate towards the resonator.

Abstract: A method is provided for indoor multipath ghosts recognition for a multiple-input-multiple-output radar with collocated antennas. The method includes the step of generating a two-dimensional Range-Doppler map for N number of consecutive radar data frames. The method further includes the step of applying a temporal clustering algorithm to the N number of consecutive radar data frames. Moreover, the method includes the step of applying a linear pattern extraction algorithm on the two-dimensional Range-Doppler map. In this context, the two-dimensional Range-Doppler map comprises detections from at least one target, at least one first-order ghost, and at least one second-order ghost with respect to one wall reflector.

Abstract: A radio frequency receiver comprising mixer circuitry to down-convert a received signal, which is transported on a signal line to baseband signal components, is provided. The mixer circuitry comprises a plurality of switched capacitors, each connected to the signal line through a signal side node and to a corresponding switch through a switch side node. In this context, a voltage is sensed at each switch side node of the plurality of switched capacitors and is read out through a respective grounded capacitor.

Abstract: According to an aspect of the present inventive concept there is provided a light excitation and collection device for a micro-fluidic system, comprising: a light source configured to generate excitation light; a plurality of excitation waveguides, each associated with a flow channel of the micro-fluidic system; wherein each excitation waveguide is configured to receive and redirect the excitation light towards the flow channel, such that the excitation light is elastically scattered by a sample in the flow channel forming forward and side scattered light; and wherein the light excitation and collection device further comprises: at least one forward scattered light collection point; and at least one side scattered light collection point; and wherein the forward scattered light collected for all excitation waveguides is detected by a first plurality of light sensitive areas and the side scattered light collected for all excitation waveguides is detected by a second plurality of light sensitive areas, the fi

Abstract: A powering apparatus for wireless powering of a power receiving device comprises: a plurality of power transmitters configured to provide inductive coupling to the power receiving device; and an oscillator configured to provide a reference oscillator signal; wherein each power transmitter comprises an inductive element and a driving circuitry for providing a current signal for driving the inductive element, wherein the driving circuitry of each power transmitter is configured to receive the reference oscillator signal and a feedback signal of a current through the inductive element for controlling a phase of the current signal in relation to a phase of the reference oscillator signal, each of the plurality of power transmitters being configured for outputting a powering signal controlled by a common phase relation to the reference oscillator signal.

Abstract: A method for estimating a measure of cardiovascular health of a subject (102) comprises: receiving (302) an electrocardiogram, ECG, signal (202); receiving (304) an artery signal (210) representative of pressure pulse wave propagation at a location in an artery; determining (306) a fiducial point in time based on the ECG signal (202) providing an indication of onset of isovolumetric contraction; determining (308) a pre-systolic pressure pulse arrival point in time (212) based on the artery signal (210) to correspond to the onset of the isovolumetric contraction being reflected in the artery signal (210), determining (310) a time period between the onset of the isovolumetric contraction and the pre-systolic pressure pulse arrival point in time, said time period representing a vascular transit time; and determining (312) a pulse wave velocity of the subject (102) based on a physical distance between an aortic valve and the location in the artery and on the vascular transit time.

Abstract: Example embodiments relate to multilayer integrated photonic structures. An example multilayer integrated photonic structure includes a propagation region formed in a first photonic layer. The propagation region includes a plurality of waveguides and a slab region in which the plurality of waveguides terminates. The multilayer integrated photonic structure also includes an outcoupling structure formed in a second photonic layer on top of the first photonic layer. The outcoupling structure is configured to couple light into and out of the multilayer integrated photonic structure. Additionally, the multilayer integrated photonic structure includes a reflector configured to optically couple the slab region of the first photonic layer and the second photonic layer. The reflector includes a first reflector element included in the slab region of the first photonic layer and a second reflector element included in the second photonic layer.