Patents by Inventor Jean Benoit Héroux
Jean Benoit Héroux 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: 11460647Abstract: A chip packaging structure that includes an optoelectronic (OE) chip mounted on a first surface of a substrate and whose optically active area is directed laterally; and a lens array for the optoelectronic (OE) chip that is mounted on the first surface of the substrate and faces to the optoelectronic (OE) chip, wherein the lens array has inside a reflector reflecting light from a first direction to a second direction, in which the first direction is substantially perpendicular to the second direction.Type: GrantFiled: December 30, 2020Date of Patent: October 4, 2022Assignee: International Business Machines CorporationInventors: Jean Benoit Heroux, Masao Tokunari
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Patent number: 11436480Abstract: Provided is a reservoir computing system that is miniaturized and has a reduced learning cost. The reservoir computing system uses a reservoir that includes a first optical output section that outputs a first optical signal; a first optical waveguide that propagates the first optical signal output by the first optical output section; an optical receiving section that receives the first optical signal from the first optical waveguide; a storage section that stores received optical data corresponding to the first optical signal and output by the optical receiving section; and a feedback section that applies, to the first optical signal, feedback corresponding to the received optical data stored in the storage section.Type: GrantFiled: January 3, 2018Date of Patent: September 6, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Seiji Takeda, Daiju Nakano, Toshiyuki Yamane, Jean Benoit Heroux
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Publication number: 20210116652Abstract: A chip packaging structure that includes an optoelectronic (OE) chip mounted on a first surface of a substrate and whose optically active area is directed laterally; and a lens array for the optoelectronic (OE) chip that is mounted on the first surface of the substrate and faces to the optoelectronic (OE) chip, wherein the lens array has inside a reflector reflecting light from a first direction to a second direction, in which the first direction is substantially perpendicular to the second direction.Type: ApplicationFiled: December 30, 2020Publication date: April 22, 2021Inventors: Jean Benoit Heroux, Masao Tokunari
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Patent number: 10928586Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.Type: GrantFiled: October 23, 2019Date of Patent: February 23, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
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Patent number: 10914901Abstract: A chip packaging structure that includes an optoelectronic (OE) chip mounted on a first surface of a substrate and whose optically active area is directed laterally; and a lens array for the optoelectronic (OE) chip that is mounted on the first surface of the substrate and faces to the optoelectronic (OE) chip, wherein the lens array has inside a reflector reflecting light from a first direction to a second direction, in which the first direction is substantially perpendicular to the second direction.Type: GrantFiled: October 17, 2017Date of Patent: February 9, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Jean Benoit Heroux, Masao Tokunari
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Patent number: 10739518Abstract: Wavelength division multiplexing devices, and methods of forming the same, include a coupling lens and a waveguide, the lens being positioned over a mirror formed in a transmission path of the waveguide. The mirror reflects incoming light signals out of the transmission path through the lens and further reflects light signals coming from the lens and into the transmission path. An optical chip is positioned near a focal length of the lens. The optical chip has an optical filter configured to transmit a light signal at a first wavelength and to reflect received light signals at wavelengths other than the first wavelength.Type: GrantFiled: December 21, 2015Date of Patent: August 11, 2020Assignee: International Business Machines CorporationInventor: Jean Benoit Héroux
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Patent number: 10656352Abstract: A micro-mirror array for optical coupling in a waveguide array including, a transparent body having a slanted portion, a sidewall portion, and a bottom portion, the sidewall portion and the bottom portion each respectively facing the slanted portion, and wherein a complementary shape of a conventional form off-axis mirror is arranged on the slanted portion, and a reflective coating on at least a portion of the complementary shape.Type: GrantFiled: December 28, 2018Date of Patent: May 19, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Jean Benoit Héroux, Masao Tokunari
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Patent number: 10598872Abstract: A micro-mirror array for optical coupling in a waveguide array including, a transparent body having a slanted portion, a sidewall portion, and a bottom portion, the sidewall portion and the bottom portion each respectively facing the slanted portion, and wherein a complementary shape of a conventional form off-axis mirror is arranged on the slanted portion, and a reflective coating on at least a portion of the complementary shape.Type: GrantFiled: December 28, 2018Date of Patent: March 24, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Jean Benoit Héroux, Masao Tokunari
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Patent number: 10585240Abstract: A photonic neural component including optical transmitters, optical receivers, inter-node waveguides formed on a board, multiplexers configured to multiplex input optical signals onto the inter-node waveguides, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides via the multiplexers, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.Type: GrantFiled: August 20, 2019Date of Patent: March 10, 2020Assignee: International Business Machines CorporationInventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
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Publication number: 20200057194Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.Type: ApplicationFiled: October 23, 2019Publication date: February 20, 2020Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
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Patent number: 10514498Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.Type: GrantFiled: April 10, 2019Date of Patent: December 24, 2019Assignee: International Business Machines CorporationInventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
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Publication number: 20190369330Abstract: A photonic neural component including optical transmitters, optical receivers, inter-node waveguides formed on a board, multiplexers configured to multiplex input optical signals onto the inter-node waveguides, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides via the multiplexers, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.Type: ApplicationFiled: August 20, 2019Publication date: December 5, 2019Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
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Patent number: 10451798Abstract: A photonic neural component including optical transmitters, optical receivers, inter-node waveguides formed on a board, multiplexers configured to multiplex input optical signals onto the inter-node waveguides, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides via the multiplexers, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.Type: GrantFiled: January 7, 2019Date of Patent: October 22, 2019Assignee: International Business Machines CorporationInventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
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Publication number: 20190235165Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.Type: ApplicationFiled: April 10, 2019Publication date: August 1, 2019Inventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
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Patent number: 10365431Abstract: An optical interconnect structure and method are provided. The optical interconnect structure includes a plate on which a mirror is formed. The optical interconnect structure further includes a waveguide structure comprising a waveguide core and an opening. The plate is mounted on the waveguide structure such the mirror is inserted in the opening for light coupling (i) from the waveguide core and to an optical element positioned on the plate and (ii) to the waveguide core from the optical element positioned on the plate.Type: GrantFiled: October 18, 2016Date of Patent: July 30, 2019Assignee: International Business Machines CorporationInventors: Jean Benoit Héroux, Masao Tokunari
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Patent number: 10365425Abstract: A method for fabricating an optical waveguide crossing structure. The method includes preparing a plate structure including a crossing part array and a guiding part array, each crossing part of the crossing part array being arranged at a gap from a plurality of guiding parts of the guiding part array. The method further includes preparing a waveguide structure including a first waveguide core array, a second waveguide core array and a tank, the tank being formed by removing a crossing region of the first waveguide core array and the second waveguide core array. The method further includes injecting an underfill into the tank. The method further includes depositing the plate structure on the waveguide structure so that the crossing part array and the guiding part array are inserted in the tank. The method further includes curing the underfill.Type: GrantFiled: July 11, 2018Date of Patent: July 30, 2019Assignee: International Business Machines CorporationInventors: Jean Benoit Héroux, Hsiang Han Hsu
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Patent number: 10353145Abstract: A photonic neural component includes optical transmitters, optical receivers, inter-node waveguides formed on a board, transmitting waveguides configured to receive optical signals emitted from the optical transmitters and transmit the received optical signals to the inter-node waveguides, mirrors to partially reflect optical signals propagating on the inter-node waveguides, receiving waveguides configured to receive reflected optical signals produced by the mirrors and transmit the reflected optical signals to the optical receivers, and filters configured to apply weights to the reflected optical signals. The transmitting waveguides and receiving waveguides are formed on the board such that one of the transmitting waveguides and one of the receiving waveguides crosses one of the inter-node waveguides with a core of one of the crossing waveguides passing through a core or clad of the other.Type: GrantFiled: August 22, 2018Date of Patent: July 16, 2019Assignee: International Business Machines CorporationInventors: Jean Benoit Heroux, Seiji Takeda, Toshiyuki Yamane
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Publication number: 20190205742Abstract: Provided is a reservoir computing system that is miniaturized and has a reduced learning cost. The reservoir computing system uses a reservoir that includes a first optical output section that outputs a first optical signal; a first optical waveguide that propagates the first optical signal output by the first optical output section; an optical receiving section that receives the first optical signal from the first optical waveguide; a storage section that stores received optical data corresponding to the first optical signal and output by the optical receiving section; and a feedback section that applies, to the first optical signal, feedback corresponding to the received optical data stored in the storage section.Type: ApplicationFiled: January 3, 2018Publication date: July 4, 2019Inventors: Seiji Takeda, Daiju Nakano, Toshiyuki Yamane, Jean Benoit Heroux
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Patent number: 10302862Abstract: A waveguide corner structure includes a plate on which mirrors are formed; and a waveguide member including waveguide cores and holes, each of the holes being drilled in a portion replacing an angular bent portion of corresponding waveguide cores. The plate is mounted on the waveguide member so that each of the mirrors is inserted in corresponding one of the holes for a change of a direction of a light beam at the portion of corresponding waveguide cores.Type: GrantFiled: October 30, 2017Date of Patent: May 28, 2019Assignee: International Business Machines CorporationInventors: Jean Benoit Heroux, Hsiang Han Hsu
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Publication number: 20190137704Abstract: A micro-mirror array for optical coupling in a waveguide array including, a transparent body having a slanted portion, a sidewall portion, and a bottom portion, the sidewall portion and the bottom portion each respectively facing the slanted portion, and wherein a complementary shape of a conventional form off-axis mirror is arranged on the slanted portion, and a reflective coating on at least a portion of the complementary shape.Type: ApplicationFiled: December 28, 2018Publication date: May 9, 2019Inventors: Jean Benoit Héroux, Masao Tokunari