Patents by Inventor Jean-Robert MANOUVRIER
Jean-Robert MANOUVRIER 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: 11269140Abstract: An electro-optic device may include a photonic chip having an optical grating coupler at a surface. The optical grating coupler may include a first semiconductor layer having a first base and first fingers extending outwardly from the first base. The optical grating coupler may include a second semiconductor layer having a second base and second fingers extending outwardly from the second base and being interdigitated with the first fingers to define semiconductor junction areas, with the first and second fingers having a non-uniform width. The electro-optic device may include a circuit coupled to the optical grating coupler and configured to bias the semiconductor junction areas and change one or more optical characteristics of the optical grating coupler.Type: GrantFiled: November 9, 2018Date of Patent: March 8, 2022Assignees: STMICROELECTRONICS SA, STMICROELECTRONICS (CROLLES 2) SASInventors: Jean-Robert Manouvrier, Jean-Francois Carpentier, Patrick LeMaitre
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Patent number: 11215851Abstract: An optical modulator uses an optoelectronic phase comparator configured to provide, in the form of an electrical signal, a measure of a phase difference between two optical waves. The phase comparator includes an optical directional coupler having two coupled channels respectively defining two optical inputs for receiving the two optical waves to be compared. Two photodiodes are configured to respectively receive the optical output powers of the two channels of the directional coupler. An electrical circuit is configured to supply, as a measure of the optical phase shift, an electrical signal proportional to the difference between the electrical signals produced by the two photodiodes.Type: GrantFiled: March 18, 2019Date of Patent: January 4, 2022Assignee: STMICROELECTRONICS SAInventor: Jean-Robert Manouvrier
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Publication number: 20190243165Abstract: An optical modulator uses an optoelectronic phase comparator configured to provide, in the form of an electrical signal, a measure of a phase difference between two optical waves. The phase comparator includes an optical directional coupler having two coupled channels respectively defining two optical inputs for receiving the two optical waves to be compared. Two photodiodes are configured to respectively receive the optical output powers of the two channels of the directional coupler. An electrical circuit is configured to supply, as a measure of the optical phase shift, an electrical signal proportional to the difference between the electrical signals produced by the two photodiodes.Type: ApplicationFiled: March 18, 2019Publication date: August 8, 2019Inventor: Jean-Robert Manouvrier
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Patent number: 10274395Abstract: A semiconductor device may include a semiconductor wafer, and a reference circuit carried by the semiconductor wafer. The reference circuit may include optical DUTs, a first set of photodetectors coupled to outputs of the optical DUTs, an optical splitter coupled to inputs of the optical DUTs, and a second set of photodetectors coupled to the optical splitter. The optical splitter is to be coupled to an optical source and configured to transmit a reference optical signal to the first set of photodetectors via the optical DUTs and the second set of photodetectors.Type: GrantFiled: September 1, 2017Date of Patent: April 30, 2019Assignees: STMICROELECTRONICS SA, STMICROELECTRONICS (CROLLES 2) SASInventors: Jean-Francois Carpentier, Patrick Le Maitre, Jean-Robert Manouvrier, Charles Baudot, Bertrand Borot
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Publication number: 20190094462Abstract: An electro-optic device may include a photonic chip having an optical grating coupler at a surface. The optical grating coupler may include a first semiconductor layer having a first base and first fingers extending outwardly from the first base. The optical grating coupler may include a second semiconductor layer having a second base and second fingers extending outwardly from the second base and being interdigitated with the first fingers to define semiconductor junction areas, with the first and second fingers having a non-uniform width. The electro-optic device may include a circuit coupled to the optical grating coupler and configured to bias the semiconductor junction areas and change one or more optical characteristics of the optical grating coupler.Type: ApplicationFiled: November 9, 2018Publication date: March 28, 2019Inventors: Jean-Robert Manouvrier, Jean-Francois Carpentier, Patrick LeMaitre
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Patent number: 10234703Abstract: An optical modulator uses an optoelectronic phase comparator configured to provide, in the form of an electrical signal, a measure of a phase difference between two optical waves. The phase comparator includes an optical directional coupler having two coupled channels respectively defining two optical inputs for receiving the two optical waves to be compared. Two photodiodes are configured to respectively receive the optical output powers of the two channels of the directional coupler. An electrical circuit is configured to supply, as a measure of the optical phase shift, an electrical signal proportional to the difference between the electrical signals produced by the two photodiodes.Type: GrantFiled: March 24, 2017Date of Patent: March 19, 2019Assignee: STMICROELECTRONICS SAInventor: Jean-Robert Manouvrier
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Patent number: 10126499Abstract: An electro-optic device may include a photonic chip having an optical grating coupler at a surface. The optical grating coupler may include a first semiconductor layer having a first base and first fingers extending outwardly from the first base. The optical grating coupler may include a second semiconductor layer having a second base and second fingers extending outwardly from the second base and being interdigitated with the first fingers to define semiconductor junction areas, with the first and second fingers having a non-uniform width. The electro-optic device may include a circuit coupled to the optical grating coupler and configured to bias the semiconductor junction areas and change one or more optical characteristics of the optical grating coupler.Type: GrantFiled: June 30, 2015Date of Patent: November 13, 2018Assignees: STMICROELECTRONICS SA, STMICROELECTRONICS (CROLLES 2) SASInventors: Jean-Robert Manouvrier, Jean-Francois Carpentier, Patrick Lemaitre
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Patent number: 9971173Abstract: A semiconductor electro-optical phase shifter may include a substrate, an optical waveguide segment (12) formed on the substrate, and first and second zones of opposite conductivity types configured to form a first bipolar junction perpendicular to the substrate. The phase shifter may also include a dynamic control structure configured to reverse bias the first junction and a static control structure configured to direct a quiescent current in the second zone, parallel to the first junction.Type: GrantFiled: August 30, 2016Date of Patent: May 15, 2018Assignee: STMICROELECTRONICS SAInventor: Jean-Robert Manouvrier
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Publication number: 20170363507Abstract: A semiconductor device may include a semiconductor wafer, and a reference circuit carried by the semiconductor wafer. The reference circuit may include optical DUTs, a first set of photodetectors coupled to outputs of the optical DUTs, an optical splitter coupled to inputs of the optical DUTs, and a second set of photodetectors coupled to the optical splitter. The optical splitter is to be coupled to an optical source and configured to transmit a reference optical signal to the first set of photodetectors via the optical DUTs and the second set of photodetectors.Type: ApplicationFiled: September 1, 2017Publication date: December 21, 2017Inventors: Jean-Francois Carpentier, Patrick Le Maitre, Jean-Robert Manouvrier, Charles Baudot, Bertrand Borot
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Publication number: 20170307468Abstract: A semiconductor device may include a semiconductor wafer, and a reference circuit carried by the semiconductor wafer. The reference circuit may include optical DUTs, a first set of photodetectors coupled to outputs of the optical DUTs, an optical splitter coupled to inputs of the optical DUTs, and a second set of photodetectors coupled to the optical splitter. The optical splitter is to be coupled to an optical source and configured to transmit a reference optical signal to the first set of photodetectors via the optical DUTs and the second set of photodetectors.Type: ApplicationFiled: April 20, 2016Publication date: October 26, 2017Inventors: Jean-Francois CARPENTIER, Patrick LEMAITRE, Jean-Robert MANOUVRIER, Charles BAUDOT, Bertrand BOROT
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Patent number: 9791346Abstract: A semiconductor device may include a semiconductor wafer, and a reference circuit carried by the semiconductor wafer. The reference circuit may include optical DUTs, a first set of photodetectors coupled to outputs of the optical DUTs, an optical splitter coupled to inputs of the optical DUTs, and a second set of photodetectors coupled to the optical splitter. The optical splitter is to be coupled to an optical source and configured to transmit a reference optical signal to the first set of photodetectors via the optical DUTs and the second set of photodetectors.Type: GrantFiled: April 20, 2016Date of Patent: October 17, 2017Assignees: STMICROELECTRONICS SA, STMICROELECTRONICS (CROLLES 2) SASInventors: Jean-Francois Carpentier, Patrick Lemaitre, Jean-Robert Manouvrier, Charles Baudot, Bertrand Borot
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Publication number: 20170288781Abstract: An optical modulator includes an optical waveguide including at least a first PN junction phase shifter and a second PN junction phase shifter. A driver circuit drives operation of the first and second PN junction phase shifters in response to a pulse amplitude modulated (PAM) analog signal having 2n levels. The PAM analog signal is generated by a digital to analog converter that receives an n-bit input signal. In an implementation, the optical waveguide and PN junction phase shifters are formed on a first integrated circuit chip and the driver circuit is formed on a second integrated circuit chip that is stacked on and electrically connected to the first integrated circuit chip.Type: ApplicationFiled: March 29, 2016Publication date: October 5, 2017Applicants: STMicroelectronics (Crolles 2) SAS, STMicroelectronics SAInventors: Jean-Francois Carpentier, Patrick Lemaitre, Jean-Robert Manouvrier, Denis Pache, Stephane Le Tual
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Publication number: 20170199399Abstract: An optical modulator uses an optoelectronic phase comparator configured to provide, in the form of an electrical signal, a measure of a phase difference between two optical waves. The phase comparator includes an optical directional coupler having two coupled channels respectively defining two optical inputs for receiving the two optical waves to be compared. Two photodiodes are configured to respectively receive the optical output powers of the two channels of the directional coupler. An electrical circuit is configured to supply, as a measure of the optical phase shift, an electrical signal proportional to the difference between the electrical signals produced by the two photodiodes.Type: ApplicationFiled: March 24, 2017Publication date: July 13, 2017Inventor: Jean-Robert Manouvrier
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Patent number: 9645469Abstract: An electro-optic (E/O) device includes an asymmetric optical coupler having an input and first and second outputs, a first optical waveguide arm coupled to the first output of the first asymmetric optical coupler, and a second optical waveguide arm coupled to the second output of the first asymmetric optical coupler. At least one E/O amplitude modulator is coupled to at least one of the first and second optical waveguide arms. An optical combiner is coupled to the first and second optical waveguide arms downstream from the at least one E/O amplitude modulator.Type: GrantFiled: August 26, 2015Date of Patent: May 9, 2017Assignees: STMICROELECTRONICS (CROLLES 2) SAS, STMICROELECTRONICS SAInventors: Patrick Lemaitre, Jean-Francois Carpentier, Charles Baudot, Jean-Robert Manouvrier
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Patent number: 9638940Abstract: An optical modulator uses an optoelectronic phase comparator configured to provide, in the form of an electrical signal, a measure of a phase difference between two optical waves. The phase comparator includes an optical directional coupler having two coupled channels respectively defining two optical inputs for receiving the two optical waves to be compared. Two photodiodes are configured to respectively receive the optical output powers of the two channels of the directional coupler. An electrical circuit is configured to supply, as a measure of the optical phase shift, an electrical signal proportional to the difference between the electrical signals produced by the two photodiodes.Type: GrantFiled: May 24, 2016Date of Patent: May 2, 2017Assignee: STMICROELECTRONICS SAInventor: Jean-Robert Manouvrier
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Publication number: 20170059893Abstract: An electro-optic (E/O) device includes an asymmetric optical coupler having an input and first and second outputs, a first optical waveguide arm coupled to the first output of the first asymmetric optical coupler, and a second optical waveguide arm coupled to the second output of the first asymmetric optical coupler. At least one E/O amplitude modulator is coupled to at least one of the first and second optical waveguide arms. An optical combiner is coupled to the first and second optical waveguide arms downstream from the at least one E/O amplitude modulator.Type: ApplicationFiled: August 26, 2015Publication date: March 2, 2017Inventors: Patrick LEMAITRE, Jean-Francois CARPENTIER, Charles BAUDOT, Jean-Robert MANOUVRIER
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Publication number: 20170003449Abstract: An electro-optic device may include a photonic chip having an optical grating coupler at a surface. The optical grating coupler may include a first semiconductor layer having a first base and first fingers extending outwardly from the first base. The optical grating coupler may include a second semiconductor layer having a second base and second fingers extending outwardly from the second base and being interdigitated with the first fingers to define semiconductor junction areas, with the first and second fingers having a non-uniform width. The electro-optic device may include a circuit coupled to the optical grating coupler and configured to bias the semiconductor junction areas and change one or more optical characteristics of the optical grating coupler.Type: ApplicationFiled: June 30, 2015Publication date: January 5, 2017Inventors: Jean-Robert MANOUVRIER, Jean-Francois CARPENTIER, Patrick LEMAITRE
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Publication number: 20160370610Abstract: A semiconductor electro-optical phase shifter may include a substrate, an optical waveguide segment (12) formed on the substrate, and first and second zones of opposite conductivity types configured to form a first bipolar junction perpendicular to the substrate. The phase shifter may also include a dynamic control structure configured to reverse bias the first junction and a static control structure configured to direct a quiescent current in the second zone, parallel to the first junction.Type: ApplicationFiled: August 30, 2016Publication date: December 22, 2016Inventor: JEAN-ROBERT MANOUVRIER
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Patent number: 9523815Abstract: A thyristor may include a first optical waveguide segment in a semiconductor material, having first and second complementary longitudinal parts of opposite conductivity types configured to form a longitudinal bipolar junction therebetween. The thyristor may further include a second optical waveguide segment in a semiconductor material, adjacent the first waveguide segment and having first and second complementary longitudinal parts of opposite conductivity types configured to form a longitudinal bipolar junction therebetween. A transverse bipolar junction may be between the second longitudinal portions of the first and second waveguide segments. An electrical insulator may separate each of the first longitudinal portions from the waveguide segment adjacent thereto.Type: GrantFiled: March 4, 2015Date of Patent: December 20, 2016Assignees: STMICROELECTRONICS SA, STMICROELECTRONICS (CROLLES 2) SASInventors: Jean-Robert Manouvrier, Estelle Batail
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Patent number: 9507181Abstract: A semiconductor electro-optical phase shifter may include an optical action zone configured to be inserted in an optical waveguide, and a bipolar transistor structure configured so that, in operation, collector current of the bipolar transistor structure crosses the optical action zone perpendicular to the axis of the optical waveguide.Type: GrantFiled: June 30, 2016Date of Patent: November 29, 2016Assignee: STMICROELECTRONICS SAInventor: Jean-Robert Manouvrier