Patents by Inventor Zhen Peng
Zhen Peng 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: 10209445Abstract: Compact photonics platforms and methods of forming the same are provided. An example of a compact photonics platform includes a layered structure having an active region along a longitudinal axis, a facet having an angle no less than a critical angle formed at at least one longitudinal end of the active region, and a waveguide having at least one grating coupler positioned in alignment with the angled facet to couple light out to or in from the waveguide.Type: GrantFiled: May 11, 2018Date of Patent: February 19, 2019Assignee: Hewlett Packard Enterprise Development LPInventors: Di Liang, David A. Fattal, Marco Florentino, Zhen Peng, Charles M. Santori, Raymond G. Beausoleil
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Patent number: 10120198Abstract: A directional backlight is disclosed. The directional backlight has a plurality of light sources to generate a plurality of input planar lightbeams. The plurality of input planar lightbeams illuminates a directional backplane that has a plurality of directional pixels to scatter the plurality of input planar lightbeams into a plurality of directional lightbeams. Each directional lightbeam has a direction and angular spread controlled by characteristics of a directional pixel in the plurality of directional pixels. The directional backlight can be used to generate a 3D image by specifying the characteristics of the directional pixels in the directional backplane.Type: GrantFiled: August 31, 2016Date of Patent: November 6, 2018Assignee: LEIA INC.Inventors: Charles M. Santori, David A. Fattal, Marco Fiorentino, James A. Brug, Zhen Peng
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Patent number: 10082613Abstract: A directional backlight has a directional backplane that has a plurality of directional pixels configured to scatter a plurality of input planar lightbeams into a plurality of directional lightbeams. Each directional lightbeam has a direction and angular spread controlled by characteristics of a directional pixel in the plurality of directional pixels. A modulation layer having a plurality of modulators configured to modulate the plurality of directional lightbeams. The directional backlight is configured to generate a 3D image with multiple views by specifying the characteristics of the directional pixels in the directional backplane.Type: GrantFiled: October 13, 2015Date of Patent: September 25, 2018Assignee: LEIA INC.Inventors: David A. Fattal, James A. Brug, Charles M. Santori, Marco Fiorentino, Zhen Peng
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Publication number: 20180267239Abstract: Compact photonics platforms and methods of forming the same are provided. An example of a compact photonics platform includes a layered structure having an active region along a longitudinal axis, a facet having an angle no less than a critical angle formed at at least one longitudinal end of the active region, and a waveguide having at least one grating coupler positioned in alignment with the angled facet to couple light out to or in from the waveguide.Type: ApplicationFiled: May 11, 2018Publication date: September 20, 2018Inventors: Di Liang, David A. Fattal, Marco Fiorentino, Zhen Peng, Charles M. Santori, Raymond G. Beausoleil
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Patent number: 9995876Abstract: Compact photonics platforms and methods of forming the same are provided. An example of a compact photonics platform includes a layered structure having an active region along a longitudinal axis, a facet having an angle no less than a critical angle formed at least one longitudinal end of the active region, and a waveguide having at least one grating coupler positioned in alignment with the angled facet to couple light out to or in from the waveguide.Type: GrantFiled: July 30, 2012Date of Patent: June 12, 2018Assignee: Hewlett Packard Enterprise Development LPInventors: Di Liang, David A. Fattal, Marco Fiorentino, Zhen Peng, Charles M. Santori, Raymond G. Beausoleil
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Patent number: 9829727Abstract: A polymer-clad optical modulator includes a substrate comprising an insulating material; a silicon microring on the substrate; silicon waveguides on the substrate adjacent the silicon microring; an electro-optic polymer covering the silicon microring and the silicon waveguide; and an electrical contact on top of the electro-optic polymer. The silicon microring or a portion of an adjacent silicon layer is lightly doped. A polymer-clad depletion type optical modulator and a polymer-clad carrier injection type optical modulator, each employing the lightly doped silicon microring or an adjacent lightly doped silicon layer, are also described.Type: GrantFiled: May 7, 2014Date of Patent: November 28, 2017Assignee: Hewlett Packard Enterprise Development LPInventors: Zhihong Huang, Di Liang, Zhen Peng, Raymond G Beausoleil
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Patent number: 9581761Abstract: Controlling temperatures in optical circuits includes using a device with a waveguide located between a base cladding and an over cladding. The base cladding is deposited over a substrate and the over cladding is made of a thermally conductive dielectric material.Type: GrantFiled: September 13, 2012Date of Patent: February 28, 2017Assignee: Hewlett Packard Enterprise Development LPInventors: Di Liang, Zhen Peng, Raymond G. Beausoleil
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Publication number: 20170045762Abstract: A polymer-clad optical modulator includes a substrate comprising an insulating material; a silicon microring on the substrate; silicon waveguides on the substrate adjacent the silicon microring; an electro-optic polymer covering the silicon microring and the silicon waveguide; and an electrical contact on top of the electro-optic polymer. The silicon microring or a portion of an adjacent silicon layer is lightly doped. A polymer-clad depletion type optical modulator and a polymer-clad carrier injection type optical modulator, each employing the lightly doped silicon microring or an adjacent lightly doped silicon layer, are also described.Type: ApplicationFiled: May 7, 2014Publication date: February 16, 2017Inventors: Zhihong Huang, Di Liang, Zhen Peng, Raymond G Beausoleil
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Patent number: 9568672Abstract: An optical coupling system and method of fabrication are included. The optical coupling system includes a substrate layer and an optical waveguide material overlying the substrate layer. The optical waveguide material can include a grating. The system also includes a cover material overlying the optical waveguide material to couple an optical signal to the optical waveguide material via the grating at a coupling angle. Approximately zero energy of the coupled optical signal is lost in the substrate layer due to a combination of the coupling angle and a difference in refractive indices between the cover material and the substrate layer.Type: GrantFiled: July 30, 2012Date of Patent: February 14, 2017Assignee: Hewlett Packard Enterprise Development LPInventors: David A. Fattal, Zhen Peng, Marco Fiorentino, Raymond G. Beausoleil
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Publication number: 20160370594Abstract: A directional backlight is disclosed. The directional backlight has a plurality of light sources to generate a plurality of input planar lightbeams. The plurality of input planar lightbeams illuminates a directional backplane that has a plurality of directional pixels to scatter the plurality of input planar lightbeams into a plurality of directional lightbeams. Each directional lightbeam has a direction and angular spread controlled by characteristics of a directional pixel in the plurality of directional pixels. The directional backlight can be used to generate a 3D image by specifying the characteristics of the directional pixels in the directional backplane.Type: ApplicationFiled: August 31, 2016Publication date: December 22, 2016Inventors: Charles M. Santori, David A. Fattal, Marco Fiorentino, James A. Brug, Zhen Peng
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Patent number: 9520946Abstract: One example relates to an optical engine comprising a given layer of given material overlaying an optical waveguide of another material. The given layer of given material can comprise an aligning seat to receive an optical transmitter to provide the optical signal. The aligning seat can also align the optical transmitter such that the optical transmitter provides the optical signal in a direction that is substantially non-oblique relative to a longitudinal axis of the optical waveguide. The optical engine can also include an optical signal redirector to tilt the optical signal by a tilt angle. The optical waveguide can comprise a grating coupler to diffract the optical signal provided at the tilt angle into the optical waveguide.Type: GrantFiled: July 26, 2012Date of Patent: December 13, 2016Assignee: Hewlett Packard Enterprise Development LPInventors: Zhen Peng, David A. Fattal, Marco Fiorentino
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Patent number: 9490385Abstract: A device includes a first region, a multiplication region, a second region, and an absorption region. The first region is associated with a first terminal, and the second region is associated with a second terminal. The first region is separated from the second region by the multiplication region. The absorption region is disposed on the multiplication region and associated with a third terminal. A multiplication region electric field is independently controllable with respect to an absorption region electric field, based on the first terminal, the second terminal, and the third terminal.Type: GrantFiled: May 29, 2012Date of Patent: November 8, 2016Assignee: Hewlett Packard Enterprise Development LPInventors: Zhihong Huang, Marco Fiorentino, Charles M. Santori, Zhen Peng, Di Liang, Raymond G. Beausoleil
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Patent number: 9459461Abstract: A directional backlight is disclosed. The directional backlight has a plurality of light sources to generate a plurality of input planar lightbeams. The plurality of input planar lightbeams illuminates a directional backplane that has a plurality of directional pixels to scatter the plurality of input planar lightbeams into a plurality of directional lightbeams. Each directional lightbeam has a direction and angular spread controlled by characteristics of a directional pixel in the plurality of directional pixels. The directional backlight can be used to generate a 3D image by specifying the characteristics of the directional pixels in the directional backplane.Type: GrantFiled: June 19, 2014Date of Patent: October 4, 2016Assignee: LEIA INC.Inventors: Charles M. Santori, David A. Fattal, Marco Fiorentino, James A. Brug, Zhen Peng
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Patent number: 9389415Abstract: A directional pixel for use in a display screen is disclosed. The directional pixel receives a planar lightbeam and includes a light propagating layer and a grating to scatter a portion of the planar lightbeam into a directional lightbeam having a direction and angular spread controlled by the grating.Type: GrantFiled: June 19, 2014Date of Patent: July 12, 2016Assignee: LEIA INC.Inventors: David A. Fattal, James A. Brug, Zhen Peng, Marco Fiorentino, Raymond G. Beausoleil
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Publication number: 20160195664Abstract: Multibeam diffraction grating-based backlighting includes a light guide and a multibeam diffraction grating at a surface of the light guide. The light guide is to guide light from a light source. The multibeam diffraction grating is to couple out a portion of the guided light using diffractive coupling and to direct the coupled out portion away from the light guide as a plurality of light beams with different principal angular directions.Type: ApplicationFiled: July 30, 2013Publication date: July 7, 2016Inventors: David A. Fattal, Zhen Peng, Charles M. Santori
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Publication number: 20160141473Abstract: A light emitting diode device is described which includes at least one planar non-periodic high-index-contrast grating. The light emitting diode device includes a cavity formed between a reflective optical element and a transmissive optical element. One or both of the optical elements can be a planar non-periodic high-index-contrast grating. The transmissive optical element can be a collimating lens used to collimate incident beams of light while the reflective optical element can be a parabolic reflector used to reflect incident beams of light along a direction opposite to an incidence direction. A light emitter can be disposed within the cavity and can emit beams of light.Type: ApplicationFiled: January 5, 2016Publication date: May 19, 2016Inventors: Zhen Peng, Nathaniel Quitoriano, Marco Fiorentino
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Patent number: 9261632Abstract: A light emitting diode device is described which includes at least one planar non-periodic high-index-contrast grating. The light emitting diode device includes a cavity formed between a reflective optical element and a transmissive optical element. One or both of the optical elements can be a planar non-periodic high-index-contrast grating. The transmissive optical element can be a collimating lens used to collimate incident beams of light while the reflective optical element can be a parabolic reflector used to reflect incident beams of light along a direction opposite to an incidence direction. A light emitter can be disposed within the cavity and can emit beams of light.Type: GrantFiled: January 5, 2010Date of Patent: February 16, 2016Assignee: Hewlett Packard Enterprise Development LPInventors: Zhen Peng, Nathaniel Quitoriano, Marco Fiorentino
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Publication number: 20160033706Abstract: A directional backlight has a directional backplane that has a plurality of directional pixels configured to scatter a plurality of input planar lightbeams into a plurality of directional lightbeams. Each directional lightbeam has a direction and angular spread controlled by characteristics of a directional pixel in the plurality of directional pixels. A modulation layer having a plurality of modulators configured to modulate the plurality of directional lightbeams. The directional backlight is configured to generate a 3D image with multiple views by specifying the characteristics of the directional pixels in the directional backplane.Type: ApplicationFiled: October 13, 2015Publication date: February 4, 2016Inventors: David A. Fattal, James A. Brug, Charles M. Santori, Marco Fiorentino, Zhen Peng
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Patent number: 9201270Abstract: A directional backlight is disclosed. The directional backlight has a directional backplane that has a plurality of directional pixels to scatter a plurality of input planar lightbeams into a plurality of directional lightbeams. Each directional lightbeam has a direction and angular spread controlled by characteristics of a directional pixel in the plurality of directional pixels. A modulation layer having a plurality of modulators modulates the plurality of directional lightbeams. The directional backlight can be used to generate a 3D image with multiple views by specifying the characteristics of the directional pixels in the directional backplane.Type: GrantFiled: June 19, 2014Date of Patent: December 1, 2015Assignee: LEIA INC.Inventors: David A. Fattal, James A. Brug, Charles M. Santori, Marco Fiorentino, Zhen Peng
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Publication number: 20150316718Abstract: An optical coupling system and method of fabrication are included. The optical coupling system includes a substrate layer and an optical waveguide material overlying the substrate layer. The optical waveguide material can include a grating. The system also includes a cover material overlying the optical waveguide material to couple an optical signal to the optical waveguide material via the grating at a coupling angle. Approximately zero energy of the coupled optical signal is lost in the substrate layer due to a combination of the coupling angle and a difference in refractive indices between the cover material and the substrate layer.Type: ApplicationFiled: July 30, 2012Publication date: November 5, 2015Inventors: David A. Fattal, Zhen Peng, Marco Fiorentino, Raymond G. Beausoleil