Abstract: The invention relates, inter alia, to a photonic component (1) that comprises a phonetically integrated chip (100) and a fibre holder (200) that is mechanically connected to said chip, said fibre holder comprising: at least one groove (210) with an optical fibre (220) laid therein, and at least one mirroring surface (230) which reflects the beam (S) of the fibre in the direction of the chip, and/or the beam of the chip in the direction of the fibre.

Abstract: The invention relates to an optoelectronic component (100) comprising a chip (110) comprising a substrate (12) and at least one optical waveguide (20) integrated in the chip (110). In one variant of the invention it is provided that an electro-optical component (30) is monolithically integrated in one or a plurality of semiconductor layers of the chip (110) arranged on the substrate top side (12a) of the substrate (12), or on the substrate top side (12a) of the substrate (12) and at least one electrical connection of the monolithically integrated electro-optical component (30) is connected by means of a connection line (41) to a conductor track connection (43) situated below the substrate rear side (12b), wherein the connection line (41) extends through a through hole (42) in the substrate (12) from the electro-optical component (30) to the conductor track connection (43) situated below the substrate rear side (12b).

Abstract: An embodiment of the invention relates to an optical signal generator comprising an optical emitter configured to generate a beam of optical radiation, a first and second beam deflecting element, a modulator being located between the beam deflecting elements, a phase shifter located between the beam deflecting elements, a control unit configured to control the phase-shift of the phase shifter, wherein the first and second beam deflecting elements, the phase shifter and the modulator are located in the same plane, wherein the beam generated by the optical emitter is angled relative to said plane, wherein said first beam deflecting element is configured to deflect the emitter's beam into the plane towards the modulator, said modulator being configured to modulate the emitter's radiation and outputting a modulated radiation, wherein said second beam deflecting element is configured to deflect the modulated radiation off the plane towards an output port of the signal generator, wherein the modulator is configured

Abstract: An optoelectronic component including an optical waveguide, an integrated optical resonator, in which the waveguide or at least a portion of the waveguide is arranged, and a heat source which can increase the temperature of the resonator during operation. A web region adjoins laterally the waveguide when viewed in the longitudinal direction of the waveguide. The web region forms a jacket portion of the waveguide and has a smaller thickness than the waveguide. The heat source is thermally connected to the waveguide by means of the web region.

Abstract: An optoelectronic component including an optical waveguide integrated into a plane of the component. The optical waveguide configured to guide optical radiation in the plane. The component including a coupling element connected to the waveguide and coupling optical radiation into the waveguide along the main coupling path. The degree of coupling efficiency of the coupling element is less than one in respect to the main coupling path. The coupling element outputs optical loss radiation along a secondary coupling path. The optical loss radiation is proportional to the radiation transferred along the main coupling path. The optoelectronic component includes a detector connected to the coupling element that registers the optical loss radiation and produces a detector signal. The optoelectronic component includes a control unit configured to influence at least one operating variable of the optoelectronic component based on the detector signal.

Abstract: An optoelectronic component including an optical waveguide, an integrated optical resonator, in which the waveguide or at least a portion of the waveguide is arranged, and a heat source which can increase the temperature of the resonator during operation. A web region adjoins laterally the waveguide when viewed in the longitudinal direction of the waveguide. The web region forms a jacket portion of the waveguide and has a smaller thickness than the waveguide. The heat source is thermally connected to the waveguide by means of the web region.

Abstract: An injection modulator for modulation of optical radiation, having an optical waveguide and a diode structure, having at least two p-doped semiconductor portions, at least two n-doped semiconductor portions and at least one lightly or undoped intermediate portion between the p-doped and n-doped portions. The p-doped portions when viewed in the longitudinal direction of the waveguide are offset with respect to the n-doped portions and the diode structure is arranged in a resonance-free portion of the waveguide. The p-doped portions lie on one side of the waveguide, the n-doped portions lie on the other side of the waveguide and the intermediate portion lies in the center, each portion extends transversely with respect to the waveguide longitudinal direction in the direction of the waveguide center of the waveguide and no p-doped portion when viewed in the longitudinal direction of the waveguide overlaps any n-doped portion.

Abstract: An injection modulator for modulation of optical radiation, having an optical waveguide and a diode structure, having at least two p-doped semiconductor portions, at least two n-doped semiconductor portions and at least one lightly or undoped intermediate portion between the p-doped and n-doped portions. The p-doped portions when viewed in the longitudinal direction of the waveguide are offset with respect to the n-doped portions and the diode structure is arranged in a resonance-free portion of the waveguide. The p-doped portions lie on one side of the waveguide, the n-doped portions lie on the other side of the waveguide and the intermediate portion lies in the center, each portion extends transversely with respect to the waveguide longitudinal direction in the direction of the waveguide center of the waveguide and no p-doped portion when viewed in the longitudinal direction of the waveguide overlaps any n-doped portion.

Abstract: An electro-optic modulator for the modulation of optical radiation of a predetermined wavelength, the electro-optic modulator having at least one optical resonator in which a standing optical wave can be formed for the predetermined wavelength. In the resonator, at least two doped semiconductor sections—as seen in the longitudinal direction of the resonator —are arranged at a distance from one another, and the at least two doped semiconductor sections respectively lie locally at an intensity minimum of the standing optical wave.

Abstract: An electro-optic modulator for the modulation of optical radiation of a predetermined wavelength, the electro-optic modulator having at least one optical resonator in which a standing optical wave can be formed for the predetermined wavelength. In the resonator, at least two doped semiconductor sections—as seen in the longitudinal direction of the resonator—are arranged at a distance from one another, and the at least two doped semiconductor sections respectively lie locally at an intensity minimum of the standing optical wave.

Abstract: An optical pulse delay generator is provided. The optical pulse delay generator includes a first optical converter which is dispersive and separates the spectral components of the incoming optical pulse in a time domain. The first optical converter generating a converted optical signal. The optical pulse delay generator also includes a modulator to modulate the converted optical signal and to generate a modulated optical signal and a second optical converter connected to the modulator. The second optical converter being dispersive for overlaying the previously separated spectral components in the time domain and generating the delayed optical output pulse. The dispersion imposed by the second optical converter has the same amount of dispersion, but the opposite sign, as the first optical converter. At least one of the first and second optical converter includes at least two waveguide resonator rings which differ in their optical length.

Abstract: An optical pulse delay generator is provided. The optical pulse delay generator includes a first optical converter which is dispersive and separates the spectral components of the incoming optical pulse in a time domain. The first optical converter generating a converted optical signal. The optical pulse delay generator also includes a modulator to modulate the converted optical signal and to generate a modulated optical signal and a second optical converter connected to the modulator. The second optical converter being dispersive for overlaying the previously separated spectral components in the time domain and generating the delayed optical output pulse. The dispersion imposed by the second optical converter has the same amount of dispersion, but the opposite sign, as the first optical converter. At least one of the first and second optical converter includes at least two waveguide resonator rings which differ in their optical length.

Abstract: Chalcogenide-based nanowire memories are implemented using a variety of methods and devices. According to an example embodiment of the present invention, a method of manufacturing a memory circuit is implemented. The method includes depositing nanoparticles at locations on a substrate. Chalcogenide-based nanowires are created at the locations on the substrate using a vapor-liquid-solid technique. Insulating material is deposited between the chalcogenide-based nanowires. Lines are created to connect at least some of the chalcogenide-based nanowires.

Abstract: Grinding rolls are provided on a support, each having opposite axial ends provided with respective trunnions. Open-and-shut journals are provided on the support for the respective trunnions. A displacing arrangement is engageable with the trunnions of each grinding roll and pivotable between a first end position in which the trunnions of a respective grinding roll are located in their associated journals, and a second end position in which the grinding roll and the trunnions thereof are laterally displaced relative to the first position and supported by the displacing arrangement.