Patents by Inventor Gary Landry
Gary Landry 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: 10992110Abstract: A VCSEL can include: an active region configured to emit light; a blocking region over or under the active region, the blocking region defining a plurality of channels therein; a plurality of conductive channel cores in the plurality of channels of the blocking region, wherein the plurality of conductive channel cores and blocking region form an isolation region; a top electrical contact; and a bottom electrical contact electrically coupled with the top electrical contact through the active region and plurality of conductive channel cores. At least one conductive channel core is a light emitter, and others can be spare light emitters, photodiodes, modulators, and combinations thereof. A waveguide can optically couple two or more of the conductive channel cores. In some aspects, the plurality of conductive channel cores are optically coupled to form a common light emitter that emits light (e.g., single mode) from the plurality of conductive channel cores.Type: GrantFiled: August 27, 2019Date of Patent: April 27, 2021Assignee: II-VI DELAWARE, INC.Inventors: Jim Tatum, Gary Landry
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Publication number: 20210098972Abstract: A VCSEL can include: an elliptical oxide aperture in an oxidized region that is located between an active region and an emission surface, the elliptical aperture having a short radius and a long radius with a radius ratio (short radius)/(long radius) being between 0.6 and 0.8, the VCSEL having a relative intensity noise (RIN) of less than ?140 dB/Hz. The VCSEL can include an elliptical emission aperture having the same dimensions of the elliptical oxide aperture. The VCSEL can include an elliptical contact having an elliptical contact aperture therein, the elliptical contact being around the elliptical emission aperture. The elliptical contact can be C-shaped. The VCSEL can include one or more trenches lateral of the oxidized region, the one or more trenches forming an elliptical shape, wherein the oxidized region has an elliptical shape. The one or more trenches can be trapezoidal shaped trenches.Type: ApplicationFiled: August 11, 2020Publication date: April 1, 2021Inventors: Deepa Gazula, Nicolae Chitica, Marek Chacinski, Gary Landry, Jim Tatum
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Patent number: 10795078Abstract: In one example, an optical device may include a waveguide having a core index of refraction that decreases along a length of the waveguide and an edge index of refraction of the waveguide that is constant along the length of the waveguide. The central rays of the optical signals travelling through the waveguide may be refracted towards higher radii while the outer rays propagate unaffected. The optical device may decrease dispersion of the optical signals travelling through an optical fiber.Type: GrantFiled: April 30, 2019Date of Patent: October 6, 2020Assignee: II-VI Delaware Inc.Inventors: Gary Landry, Timo Gray, Jason O'Daniel
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Patent number: 10742000Abstract: A VCSEL can include: an elliptical oxide aperture in an oxidized region that is located between an active region and an emission surface, the elliptical aperture having a short radius and a long radius with a radius ratio (short radius)/(long radius) being between 0.6 and 0.8, the VCSEL having a relative intensity noise (RIN) of less than ?140 dB/Hz. The VCSEL can include an elliptical emission aperture having the same dimensions of the elliptical oxide aperture. The VCSEL can include an elliptical contact having an elliptical contact aperture therein, the elliptical contact being around the elliptical emission aperture. The elliptical contact can be C-shaped. The VCSEL can include one or more trenches lateral of the oxidized region, the one or more trenches forming an elliptical shape, wherein the oxidized region has an elliptical shape. The one or more trenches can be trapezoidal shaped trenches.Type: GrantFiled: May 28, 2019Date of Patent: August 11, 2020Assignee: II-VI Delaware Inc.Inventors: Deepa Gazula, Nicolae Chitica, Marek Chacinski, Gary Landry, Jim Tatum
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Publication number: 20190393680Abstract: A VCSEL can include: an active region configured to emit light; a blocking region over or under the active region, the blocking region defining a plurality of channels therein; a plurality of conductive channel cores in the plurality of channels of the blocking region, wherein the plurality of conductive channel cores and blocking region form an isolation region; a top electrical contact; and a bottom electrical contact electrically coupled with the top electrical contact through the active region and plurality of conductive channel cores. At least one conductive channel core is a light emitter, and others can be spare light emitters, photodiodes, modulators, and combinations thereof. A waveguide can optically couple two or more of the conductive channel cores. In some aspects, the plurality of conductive channel cores are optically coupled to form a common light emitter that emits light (e.g., single mode) from the plurality of conductive channel cores.Type: ApplicationFiled: August 27, 2019Publication date: December 26, 2019Inventors: Jim Tatum, Gary Landry
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Publication number: 20190341743Abstract: A VCSEL can include: an elliptical oxide aperture in an oxidized region that is located between an active region and an emission surface, the elliptical aperture having a short radius and a long radius with a radius ratio (short radius)/(long radius) being between 0.6 and 0.8, the VCSEL having a relative intensity noise (RIN) of less than ?140 dB/Hz. The VCSEL can include an elliptical emission aperture having the same dimensions of the elliptical oxide aperture. The VCSEL can include an elliptical contact having an elliptical contact aperture therein, the elliptical contact being around the elliptical emission aperture. The elliptical contact can be C-shaped. The VCSEL can include one or more trenches lateral of the oxidized region, the one or more trenches forming an elliptical shape, wherein the oxidized region has an elliptical shape. The one or more trenches can be trapezoidal shaped trenches.Type: ApplicationFiled: May 28, 2019Publication date: November 7, 2019Inventors: Deepa Gazula, Nicolae Chitica, Marek Chacinski, Gary Landry, Jim Tatum
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Publication number: 20190339454Abstract: In one example, an optical device may include a waveguide having a core index of refraction that decreases along a length of the waveguide and an edge index of refection of the waveguide that is constant along the length of the waveguide. The central rays of the optical signals travelling through the waveguide may be refracted towards higher radii while the outer rays propagate unaffected. The optical device may decrease dispersion of the optical signals travelling through an optical fiber.Type: ApplicationFiled: April 30, 2019Publication date: November 7, 2019Inventors: Gary Landry, Timo Gray, Jason O'Daniel
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Patent number: 10396529Abstract: A VCSEL can include: an active region configured to emit light; a blocking region over or under the active region, the blocking region defining a plurality of channels therein; a plurality of conductive channel cores in the plurality of channels of the blocking region, wherein the plurality of conductive channel cores and blocking region form an isolation region; a top electrical contact; and a bottom electrical contact electrically coupled with the top electrical contact through the active region and plurality of conductive channel cores. At least one conductive channel core is a light emitter, and others can be spare light emitters, photodiodes, modulators, and combinations thereof. A waveguide can optically couple two or more of the conductive channel cores. In some aspects, the plurality of conductive channel cores are optically coupled to form a common light emitter that emits light (e.g., single mode) from the plurality of conductive channel cores.Type: GrantFiled: May 22, 2018Date of Patent: August 27, 2019Assignee: Finisar CorporationInventors: Jim Tatum, Gary Landry
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Patent number: 10305254Abstract: A VCSEL can include: an elliptical oxide aperture in an oxidized region that is located between an active region and an emission surface, the elliptical aperture having a short radius and a long radius with a radius ratio (short radius)/(long radius) being between 0.6 and 0.8, the VCSEL having a relative intensity noise (RIN) of less than ?140 dB/Hz. The VCSEL can include an elliptical emission aperture having the same dimensions of the elliptical oxide aperture. The VCSEL can include an elliptical contact having an elliptical contact aperture therein, the elliptical contact being around the elliptical emission aperture. The elliptical contact can be C-shaped. The VCSEL can include one or more trenches lateral of the oxidized region, the one or more trenches forming an elliptical shape, wherein the oxidized region has an elliptical shape. The one or more trenches can be trapezoidal shaped trenches.Type: GrantFiled: September 18, 2017Date of Patent: May 28, 2019Assignee: Finisar CorporationInventors: Deepa Gazula, Nicolae Chitica, Marek Chacinski, Gary Landry, Jim Tatum
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Publication number: 20190089127Abstract: A VCSEL can include: an elliptical oxide aperture in an oxidized region that is located between an active region and an emission surface, the elliptical aperture having a short radius and a long radius with a radius ratio (short radius)/(long radius) being between 0.6 and 0.8, the VCSEL having a relative intensity noise (RIN) of less than ?140 dB/Hz. The VCSEL can include an elliptical emission aperture having the same dimensions of the elliptical oxide aperture. The VCSEL can include an elliptical contact having an elliptical contact aperture therein, the elliptical contact being around the elliptical emission aperture. The elliptical contact can be C-shaped. The VCSEL can include one or more trenches lateral of the oxidized region, the one or more trenches forming an elliptical shape, wherein the oxidized region has an elliptical shape. The one or more trenches can be trapezoidal shaped trenches.Type: ApplicationFiled: September 18, 2017Publication date: March 21, 2019Inventors: Deepa Gazula, Nicolae Chitica, Marek Chacinski, Gary Landry, Jim Tatum
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Publication number: 20180337516Abstract: A VCSEL can include: an active region configured to emit light; a blocking region over or under the active region, the blocking region defining a plurality of channels therein; a plurality of conductive channel cores in the plurality of channels of the blocking region, wherein the plurality of conductive channel cores and blocking region form an isolation region; a top electrical contact; and a bottom electrical contact electrically coupled with the top electrical contact through the active region and plurality of conductive channel cores. At least one conductive channel core is a light emitter, and others can be spare light emitters, photodiodes, modulators, and combinations thereof. A waveguide can optically couple two or more of the conductive channel cores. In some aspects, the plurality of conductive channel cores are optically coupled to form a common light emitter that emits light (e.g., single mode) from the plurality of conductive channel cores.Type: ApplicationFiled: May 22, 2018Publication date: November 22, 2018Inventors: Jim Tatum, Gary Landry
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Patent number: 9709760Abstract: One example embodiment includes an optical subassembly (OSA). The OSA includes a flex circuit, an optical port, and an active optical component subassembly. The flex circuit is constructed of at least one electrically-conductive layer and at least one electrical insulator layer. The optical port defines a barrel cavity and is mechanically coupled to the flex circuit at a flex connection. The active optical component subassembly is positioned within the barrel cavity and electrically coupled to the flex circuit.Type: GrantFiled: May 9, 2016Date of Patent: July 18, 2017Assignee: FINISAR CORPORATIONInventors: Brent Stapleton, Rajeev Dwivedi, Harold Young Walker, Jr., Gary Landry
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Publication number: 20160341920Abstract: One example embodiment includes an optical subassembly (OSA). The OSA includes a flex circuit, an optical port, and an active optical component subassembly. The flex circuit is constructed of at least one electrically-conductive layer and at least one electrical insulator layer. The optical port defines a barrel cavity and is mechanically coupled to the flex circuit at a flex connection. The active optical component subassembly is positioned within the barrel cavity and electrically coupled to the flex circuit.Type: ApplicationFiled: May 9, 2016Publication date: November 24, 2016Inventors: Brent Stapleton, Rajeev Dwivedi, Harold Young Walker, JR., Gary Landry
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Patent number: 9337932Abstract: One example embodiment includes an optical subassembly (OSA). The OSA includes a flex circuit, an optical port, and an active optical component subassembly. The flex circuit is constructed of at least one electrically-conductive layer and at least one electrical insulator layer. The optical port defines a barrel cavity and is mechanically coupled to the flex circuit at a flex connection. The active optical component subassembly is positioned within the barrel cavity and electrically coupled to the flex circuit.Type: GrantFiled: December 14, 2012Date of Patent: May 10, 2016Assignee: FINISAR CORPORATIONInventors: Brent Stapleton, Rajeev Dwivedi, Harold Young Walker, Jr., Gary Landry
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Patent number: 8785897Abstract: Monolithic opto-isolators and arrays of monolithic opto-isolators are disclosed. The monolithic opto-isolators are manufactured in a single semiconductor wafer where they may be tested at the wafer level before each opto-isolator is singulated from the wafer. The monolithic opto-isolators include a VCSEL monolithically produced adjacent to a photodiode where an axis of optical signal transmission of the VCSEL is substantially parallel to an axis of optical signal reception by the photodiode.Type: GrantFiled: September 5, 2007Date of Patent: July 22, 2014Assignee: Finisar CorporationInventors: Harold Young Walker, James D. Guenter, Gary Landry, Jimmy A. Tatum
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Publication number: 20140198817Abstract: A laser can include an active region having: one or more quantum wells having InGaAsP; and two or more quantum well barriers having GaAsP bounding the one or more quantum wells, wherein the active region is devoid of Al. The laser emits light having about 850 nm. The one or more quantum wells can have a composition InxGa1-xAs1-yPy according to Equation 1: y=0.0018567*QW+1.18*x?0.14373, where QW is the width of the quantum well in Angstroms; x is mole fraction of In; and y is mole fraction of P or +/?0.1 thereof. The two or more quantum well barriers have a GaAs1-zPz composition with z ranging from about 0.30 to about 0.60, where 0.45 can be optimal. The two or more quantum well barriers have a thickness of about 30 to 60 Angstroms.Type: ApplicationFiled: January 14, 2013Publication date: July 17, 2014Applicant: FINISAR CORPORATIONInventors: Ralph H. Johnson, Gary Landry
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Patent number: 7762729Abstract: In one example embodiment, an electromagnetic radiation (EMR) shield includes a central portion, a plurality of arms extending radially outward from the central portion, and a substantially centrally located opening defined in the central portion. The perimeter of the central portion is approximately the same size and shape as that of a portion of an associated optical subassembly (OSA).Type: GrantFiled: May 30, 2008Date of Patent: July 27, 2010Assignee: Finisar CorporationInventors: Tat Ming Teo, Gary Landry, Harold Y. Walker, Jr.
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Patent number: 7731431Abstract: In one example embodiment, an electromagnetic radiation (EMR) shield includes a central portion, an opening defined in the central portion, a wing attached to and extending outward from the central portion, and a protrusion defined in the wing. The perimeter of the EMR shield is approximately the same size and shape as that of a portion of an associated optical subassembly (OSA).Type: GrantFiled: May 30, 2008Date of Patent: June 8, 2010Assignee: Finisar CorporationInventors: Tat Ming Teo, Gary Dean Sasser, Jinxiang Liu, Gary Landry, Harold Y. Walker, Jr.
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Patent number: 7621678Abstract: In one example embodiment, an electromagnetic radiation (EMR) shield includes a disk, and a substantially centrally located opening defined in the disk. An outside perimeter of the disk is approximately the same as that of a flange of an associated optical subassembly (OSA). The disk defines a plurality of apertures.Type: GrantFiled: May 22, 2008Date of Patent: November 24, 2009Assignee: Finisar CorporationInventors: Gary Landry, Harold Y. Walker, Jr.
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Publication number: 20090059987Abstract: Monolithic opto-isolators and arrays of monolithic opto-isolators are disclosed. The monolithic opto-isolators are manufactured in a single semiconductor wafer where they may be tested at the wafer level before each opto-isolator is singulated from the wafer. The monolithic opto-isolators include a VCSEL monolithically produced adjacent to a photodiode where an axis of optical signal transmission of the VCSEL is substantially parallel to an axis of optical signal reception by the photodiode.Type: ApplicationFiled: September 5, 2007Publication date: March 5, 2009Applicant: Finisar CorporationInventors: Harold Young Walker, James K. Guenter, Gary Landry, Jimmy A. Tatum