List of quantum optics patents

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Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent

‌ US Patent 11600491 Laser apparatus and method of processing thin films		IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11600491	March 7, 2023
‌ US Patent 11426816 Methods and systems for characterizing laser machining properties by measuring keyhole dynamics using interferometry	Patent 11426816 was granted and assigned to IPG Photonics on August, 2022 by the United States Patent and Trademark Office.	IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11426816	August 30, 2022
‌ US Patent 11543668 Methods and apparatus for mitigating imperfections in optical circuits	Patent 11543668 was granted and assigned to Xanadu (company) on January, 2023 by the United States Patent and Trademark Office.	Xanadu	Xanadu	United States Patent and Trademark Office	11543668	January 3, 2023
‌ US Patent 11458566 Monitoring material processing using imaging signal density determined from inline coherent imaging (ICI)		IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11458566	October 4, 2022
‌ US Patent 11433483 System and method laser for processing of materials	Patent 11433483 was granted and assigned to IPG Photonics on September, 2022 by the United States Patent and Trademark Office.	IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11433483	September 6, 2022
‌ US Patent 11562279 Apparatus and methods for quantum computing and machine learning	Patent 11562279 was granted and assigned to Xanadu (company) on January, 2023 by the United States Patent and Trademark Office.	Xanadu	Xanadu	United States Patent and Trademark Office	11562279	January 24, 2023
‌ US Patent 11327011 Methods and systems for coherent imaging and feedback control for modification of materials		IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11327011	May 10, 2022
‌ US Patent 11593699 Apparatus and methods for gaussian boson sampling	Patent 11593699 was granted and assigned to Xanadu (company) on February, 2023 by the United States Patent and Trademark Office.	Xanadu	Xanadu	United States Patent and Trademark Office	11593699	February 28, 2023
‌ US Patent 11316319 High-power, rare-earth-doped crystal amplifier based on ultra-low-quantum-defect pumping scheme Utilizing single or low-mode fiber lasers	Patent 11316319 was granted and assigned to IPG Photonics on April, 2022 by the United States Patent and Trademark Office.	IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11316319	April 26, 2022
‌ US Patent 11364572 Laser cutting head with dual movable mirrors providing beam alignment and/or wobbling movement	Patent 11364572 was granted and assigned to IPG Photonics on June, 2022 by the United States Patent and Trademark Office.	IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11364572	June 21, 2022
‌ US Patent 11307365 Optical fiber cable connector	Patent 11307365 was granted and assigned to IPG Photonics on April, 2022 by the United States Patent and Trademark Office.	IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11307365	April 19, 2022
‌ US Patent 11444425 Chirped pulse amplification laser system		IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11444425	September 13, 2022
‌ US Patent 11747132 Methods and apparatus for decomposition to account for imperfect beamsplitters	Patent 11747132 was granted and assigned to Xanadu (company) on September, 2023 by the United States Patent and Trademark Office.	Xanadu	Xanadu	United States Patent and Trademark Office	11747132	September 5, 2023
‌ US Patent 11331752 Backside surface welding system and method	Patent 11331752 was granted and assigned to IPG Photonics on May, 2022 by the United States Patent and Trademark Office.	IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11331752	May 17, 2022
‌ US Patent 11534858 Methods and systems for coherent imaging and feedback control for modification of materials using dynamic optical path switch in the reference arms	Patent 11534858 was granted and assigned to IPG Photonics on December, 2022 by the United States Patent and Trademark Office.	IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11534858	December 27, 2022
‌ US Patent 7580600 Free space high power fiber coupler	Patent 7580600 was granted and assigned to IPG Photonics on August, 2009 by the United States Patent and Trademark Office.		IPG Photonics	United States Patent and Trademark Office	7580600	August 25, 2009
‌ US Patent 7593439 Laser diode-pumped monolithic solid state laser device and method for application of said device	Patent 7593439 was granted and assigned to Oxxius SA on September, 2009 by the United States Patent and Trademark Office.		Oxxius SA	United States Patent and Trademark Office	7593439	September 22, 2009
‌ US Patent 11605931 Laser diode drive system		M Squared Lasers	M Squared Lasers	United States Patent and Trademark Office	11605931	March 14, 2023
‌ US Patent 11493444 Authentication of quantum dot security inks	Patent 11493444 was granted and assigned to UbiQD on November, 2022 by the United States Patent and Trademark Office.	UbiQD	UbiQD	United States Patent and Trademark Office	11493444	November 8, 2022
‌ US Patent 11621540 High powered laser electronics	Patent 11621540 was granted and assigned to IPG Photonics on April, 2023 by the United States Patent and Trademark Office.	IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11621540	April 4, 2023
‌ US Patent 11617858 Ergonomic steering handle	Patent 11617858 was granted and assigned to IPG Photonics on April, 2023 by the United States Patent and Trademark Office.	IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11617858	April 4, 2023
‌ US Patent 7324265 Tuning a narrow band filter for telecommunication applications with an acoustic optical tunable filter	Patent 7324265 was granted and assigned to Neophotonics on January, 2008 by the United States Patent and Trademark Office.		Neophotonics	United States Patent and Trademark Office	7324265	January 29, 2008
‌ US Patent 11289871 High power CW mid-IR laser		IPG Photonics	IPG Photonics	United States Patent and Trademark Office	11289871	March 29, 2022
‌ US Patent 11341428 Scalable photonic quantum computing with hybrid resource states		Xanadu	Xanadu	United States Patent and Trademark Office	11341428	May 24, 2022
‌ US Patent 7593435 Powerful fiber laser system	Patent 7593435 was granted and assigned to IPG Photonics on September, 2009 by the United States Patent and Trademark Office.		IPG Photonics	United States Patent and Trademark Office	7593435	September 22, 2009

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