14 patents
Utility
High Frequency Optical Modulator with Laterally Displaced Conduction Plane Relative to Modulating Electrodes
18 May 23
Optical modulators are described having a Mach-Zehnder interferometer and a pair of RF electrodes interfaced with the Mach-Zehnder interferometer in which the Mach-Zehnder interferometer comprises optical waveguides formed from semiconductor material.
Chengkun Chen, Maxime Poirier, Raghuram Narayan, Milind Gokhale, Marcel G. Boudreau
Filed: 17 Jan 23
Utility
Wavelength Bandwidth Expansion for Tuning or Chirping with a Silicon Photonic External Cavity Tunable Laser
13 Apr 23
An external cavity diode laser has been developed to achieve a linear frequency chirp over a broad bandwidth using a silicon photonic filter chip as the external cavity.
Ergun Canoglu, Mark J. Dayel, Robert A. Carney, David J. Dougherty
Filed: 7 Oct 22
Utility
Method and Apparatus for Bias Control with a Large Dynamic Range for Mach-zehnder Modulators
16 Feb 23
Improved dither detection, measurement, and voltage bias adjustments for an electro-optical modulator are described.
Mark J. Dayel, Wen-Jr Jiang, Jianying Zhou
Filed: 18 Oct 22
Utility
Adjustable Grid Tracking Transmitters and Receivers
26 Jan 23
Optical telecommunication receivers and transmitters are described comprising dispersive elements and adjustable beam steering elements that are combined to provide optical grid tracking to adjust with very low power consumption to variations in the optical grid due to various changes, such as temperature fluctuations, age or other environmental or design changes.
Edward C. Vail, Milind Gokhale
Filed: 5 Oct 22
Utility
Lidar with 4D Object Classification, Solid State Optical Scanning Arrays, and Effective Pixel Designs
15 Sep 22
Devices are provided to perform imaging using laser light based on scanning without any mechanically moving parts to obtain a scan over the field of view.
Ergun Canoglu, David J. Dougherty, Jian Wang, Nizar S. Kheraj, Kenneth A. McGreer
Filed: 10 Mar 22
Utility
Indium Phosphide Based Optical Transmitter with Single Parameter Driven Phase Correction for Temporal Variation
2 Dec 21
Optical modulators are described having a Mach-Zehnder interferometer and a pair of RF electrodes interfaced with the Mach-Zehnder interferometer in which the Mach-Zehnder interferometer comprises optical waveguides formed from semiconductor material.
Giorgio Giaretta, Alessio Pirastu
Filed: 11 Aug 21
Utility
Method and Apparatus for Phase-matched Optical and RF Wave Propagations for Semiconductor-based MZM Modulators
23 Sep 21
Optical modulators with semiconductor based optical waveguides interacting with an RF waveguide in a traveling wave structure.
Jianying Zhou
Filed: 7 Jun 21
Utility
Apparatus and Method for Analog Electronic Fiber Dispersion and Bandwidth Pre-compensation (Edpc) for Use In 50 GBPS and Greater Pamn Optical Transceivers
22 Apr 21
Cost-effective high-data-rate optical data transceivers are presented, comprising an electronic analog transversal filter simultaneously providing one or more of bandwidth compensation and forward impairment compensations for the transmitted optical signal.
Winston I. Way, Raghavendra V. Juluri, Konstantin Gennadiyevich Kuzmin
Filed: 9 Dec 20
Utility
High Frequency Optical Modulator with Laterally Displaced Conduction Plane Relative to Modulating Electrodes
4 Nov 20
Optical modulators are described having a Mach-Zehnder interferometer and a pair of RF electrodes interfaced with the Mach-Zehnder interferometer in which the Mach-Zehnder interferometer comprises optical waveguides formed from semiconductor material.
Chengkun Chen, Maxime Poirier, Raghuram Narayan, Milind Gokhale, Marcel G. Boudreau
Filed: 20 Jul 20
Utility
Method for Wavelength Control of Silicon Photonic External Cavity Tunable Laser
2 Sep 20
Yongkang Gao, Jiann-Chang Lo
Filed: 27 Feb 20
Utility
Indium Phosphide Based Optical Transmitter with Single Parameter Driven Phase Correction for Temporal Variation
25 Mar 20
Optical modulators are described having a Mach-Zehnder interferometer and a pair of RF electrodes interfaced with the Mach-Zehnder interferometer in which the Mach-Zehnder interferometer comprises optical waveguides formed from semiconductor material.
Giorgio Giaretta, Alessio Pirastu
Filed: 22 Sep 19
Utility
Apparatus and Method for Analog Electronic Fiber Dispersion and Bandwidth Pre-compensation (Edpc) for Use In 50 GBPS and Greater Pamn Optical Transceivers
25 Mar 20
Cost-effective high-data-rate optical data transceivers are presented, comprising an electronic analog transversal filter simultaneously providing one or more of bandwidth compensation and forward impairment compensations for the transmitted optical signal.
Winston I. Way, Raghavendra V. Juluri, Konstantin Gennadiyevich Kuzmin
Filed: 25 Apr 19
Utility
Method and Apparatus for Phase-matched Optical and RF Wave Propagations for Semiconductor-based MZM Modulators
27 Nov 19
Optical modulators with semiconductor based optical waveguides interacting with an RF waveguide in a traveling wave structure.
Jianying Zhou
Filed: 8 Aug 19
Utility
Method and Apparatus for Bias Control with a Large Dynamic Range for Mach-zehnder Modulators
23 Oct 19
Improved dither detection, measurement, and voltage bias adjustments for an electro-optical modulator are described.
Mark J. Dayel, Wen-Jr Jiang, Jianying Zhou
Filed: 18 Apr 19
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