Abstract: According to an aspect of the present inventive concept there is provided a device for polarization dependent imaging, comprising a detector comprising an array of light sensitive elements; a plurality of light propagating units, each comprising: a funnel element having a collecting end and a transmitting end, the funnel element being configured to collect light at the collecting end and propagate the light to the transmitting end; a waveguide having a receiving end and a distributing end, the waveguide being configured to receive the light from the transmitting end at the receiving end and propagate the light to the distributing end, wherein the waveguide is configured to propagate the light through the waveguide in dependence of polarization such that a distribution of the light at different locations of the distributing end is dependent on polarization of the light.

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.

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 resonator for spin waves, wherein the resonator comprises a stack of material layers arranged on a substrate, a waveguide structure formed in at least one material layer in the stack and configured to propagate a spin wave and to confine a spin wave propagating in a waveguide element of the waveguide structure, such that a spin wave of a selected frequency propagating in the waveguide structure is arranged to resonate in the waveguide structure. The resonator further comprises a control mechanism formed in at least one material layer in the stack and configured to adapt at least one property of the waveguide structure for tuning the resonance frequency of the waveguide structure.

Abstract: A phase difference measurement device comprises at least two optical waveguides arranged in parallel in a first plane. Each optical waveguide comprises a proximal portion and a distal portion. The proximal portion of at least one of the optical waveguides comprises a phase-shifting device configured to induce a phase shift of a light wave being transmitted in the phase difference measurement device. The device further comprises at least one phase interrogator device arranged in the first plane between two neighboring optical waveguides of the optical waveguides. The phase interrogator device is configured to couple light from the two neighboring optical waveguides to interfere in the phase interrogator to generate an interference light wave. At least one photodetector is arranged for detecting the interference light wave. The photodetector is arranged in a second plane other than the first plane.

Abstract: An integrated photonic device comprises: an input waveguide configured to extend in an input plane, and an output waveguide configured to extend in an output plane, wherein the output plane is parallel to or contained within the input plane; an input coupler optically coupled to the input waveguide, wherein the input coupler is configured to redirect a light signal out of the input waveguide and the input plane; a light property modifier configured to receive the light signal from the input coupler and reflect the light signal towards the output plane, wherein the light property modifier is configured to selectively adjust an optical path length of the light signal; and an output coupler optically coupled to the output waveguide, wherein the output coupler is configured to receive the reflected light signal from the light property modifier and redirect the light signal into the output waveguide and the output plane.

Abstract: An integrated photonic device comprises: an input waveguide configured to extend in an input plane, and an output waveguide configured to extend in an output plane, wherein the output plane is parallel to or contained within the input plane; an input coupler optically coupled to the input waveguide, wherein the input coupler is configured to redirect a light signal out of the input waveguide and the input plane; a light property modifier configured to receive the light signal from the input coupler and reflect the light signal towards the output plane, wherein the light property modifier is configured to selectively adjust an optical path length of the light signal; and an output coupler optically coupled to the output waveguide, wherein the output coupler is configured to receive the reflected light signal from the light property modifier and redirect the light signal into the output waveguide and the output plane.