27 patents
Page 2 of 2
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
High frequency optical modulator with laterally displaced conduction plane relative to modulating electrodes
31 Aug 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: 16 Mar 17
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
Compact, energy efficient mach-zehnder interferometers and optical attenuators
3 Feb 20
Mach-Zehnder interferometers comprise heater elements configured to have projections in the plane of optical waveguides positioned such that two adjacent sections of one optical waveguide arms are heated by a common heater element.
Kenneth McGreer, Calvin Ho
Filed: 9 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