Patents by Inventor Thorsten KETTLER
Thorsten KETTLER has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10761352Abstract: The invention relates to optical devices comprising polarization diversity couplers. An embodiment of the invention relates to an optical device comprising a polarization diversity coupler configured to receive a beam of optical radiation. The optical device may further comprise a phase shifter, a 2×N coupler, a photodetector and a control unit configured to generate a control signal based on a monitor signal of the photodetector.Type: GrantFiled: September 11, 2019Date of Patent: September 1, 2020Assignee: SICOYA GMBHInventors: Moritz Grehn, Thorsten Kettler, Gan Zhou, Marco Vitali
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Patent number: 10514584Abstract: 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 configuredType: GrantFiled: August 10, 2017Date of Patent: December 24, 2019Assignee: Sicoya GmbHInventors: Thorsten Kettler, Stefan Meister, Sven Otte
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Patent number: 10481355Abstract: An embodiment of the invention relates to an optical assembly comprising an optical emitter configured to generate a beam of optical radiation, a cap unit holding the optical emitter, a photonic chip comprising a coupler, and an intermediate chip arranged between the cap unit and the photonic chip, wherein the cap unit comprises a recess having a bottom section and a sidewall, wherein the optical emitter is mounted on the bottom section of the recess, wherein a section of the sidewall forms a mirror section angled with respect to the bottom section and configured to reflect said beam of optical radiation towards the coupler, and wherein the intermediate chip comprises a lens formed at a lens section of the intermediate chip's surface that faces the cap unit, said lens being configured to focus the reflected optical beam towards the coupler.Type: GrantFiled: April 20, 2018Date of Patent: November 19, 2019Assignee: Sicoya GmbHInventors: Thorsten Kettler, Moritz Grehn, Christoph Theiss, Stefan Meister
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Publication number: 20190324222Abstract: An embodiment of the invention relates to an optical assembly comprising an optical emitter configured to generate a beam of optical radiation, a cap unit holding the optical emitter, a photonic chip comprising a coupler, and an intermediate chip arranged between the cap unit and the photonic chip, wherein the cap unit comprises a recess having a bottom section and a sidewall, wherein the optical emitter is mounted on the bottom section of the recess, wherein a section of the sidewall forms a mirror section angled with respect to the bottom section and configured to reflect said beam of optical radiation towards the coupler, and wherein the intermediate chip comprises a lens formed at a lens section of the intermediate chip's surface that faces the cap unit, said lens being configured to focus the reflected optical beam towards the coupler.Type: ApplicationFiled: April 20, 2018Publication date: October 24, 2019Applicant: Sicoya GmbHInventors: Thorsten KETTLER, Moritz GREHN, Christoph THEISS, Stefan MEISTER
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Publication number: 20190049816Abstract: 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 configuredType: ApplicationFiled: August 10, 2017Publication date: February 14, 2019Applicant: SICOYA GMBHInventors: Thorsten Kettler, Stefan Meister, Sven Otte
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Patent number: 9160142Abstract: The invention relates to a laser (1) with a laser chip (10) having a plurality of active laser channels (20), a front facet (10a) for coupling out the laser radiation of the laser channels (20) and a rear facet (10b) for rear—side reflection of the laser radiation of the laser channels (20) in the direction of the front facet (10a); an external resonator (50) which couples a portion of the radiation exiting the laser chip (10) at the front facet (10a) back into the laser chip (10) and, by said back-coupling, couples the radiation of the laser channels (20) with one another; wherein at least one of the laser channels (20) is curved at least sectionally and—in the far field—in addition to a main beam (P3), at least one secondary beam (P1, P2) is divergently emitted by the laser chip (10); and wherein the resonator (50) reflects at least one of the secondary beams (P1, P2), which is—in the far field—divergently emitted by the laser chip (10) next to a main beam (P3), in the direction of the laser chip (10).Type: GrantFiled: June 13, 2014Date of Patent: October 13, 2015Assignee: PBC LASERS GMBHInventor: Thorsten Kettler
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Publication number: 20140369371Abstract: The invention relates to a laser (1) with a laser chip (10) having a plurality of active laser channels (20), a front facet (10a) for coupling out the laser radiation of the laser channels (20) and a rear facet (10b) for rear-side reflection of the laser radiation of the laser channels (20) in the direction of the front facet (10a); an external resonator (50) which couples a portion of the radiation exiting the laser chip (10) at the front facet (10a) back into the laser chip (10) and, by said back-coupling, couples the radiation of the laser channels (20) with one another; wherein at least one of the laser channels (20) is curved at least sectionally and—in the far field—in addition to a main beam (P3), at least one secondary beam (P1, P2) is divergently emitted by the laser chip (10); and wherein the resonator (50) reflects at least one of the secondary beams (P1, P2), which is—in the far field—divergently emitted by the laser chip (10) next to a main beam (P3), in the direction of the laser chip (10).Type: ApplicationFiled: June 13, 2014Publication date: December 18, 2014Inventor: Thorsten KETTLER