Patents | Centre for Quantum Optical Technologies

Invention entitled: A system and a method for stabilising NIR-VIS laser to any frequency using cavity transfer lock to frequency shifted C-band stable laser

Invention entitled: A method for quantum key distribution, a method for transmitting an optical signal, a method for receiving an optical signal, and a receiver of an optical signal for quantum key distribution.

Applicants / Patent proprietors : University of Warsaw and University of Gdańsk

Inventors : K. Banaszek, M. Jachura, M. Jarzyna, M. Pawłowski

Polish patent application P.433108 for the invention was filed on 29/02/2020. Polish patent PAT.239636 has been granted on 24/09/2021 https://ewyszukiwarka.pue.uprp.gov.pl/search/pwp-details/P.433108

The international PCT patent application has been filed based on PL priority on 26/02/2021 under nr PCT/IB2021/051623, and it was published under WO2021171248A1. PCT application is patent pending. https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2021171248&_cid=P11-KUMJSD-80606-1

The patent application was funded and supported by the “Quantum Optical Technologies” (MAB/2018/4) project carried out within the International Research Agendas programme of the Foundation for Polish Science co-financed by the European Union under the European Regional Development Fund.

Invention entitled: System for generating entangled photon pairs of multimode quantum memory for regeneration of a quantum signal at a distance, a method for generating entangled photon pairs of multimode quantum memory for regeneration of a quantum signal at a long distance

Applicant / Patent proprietor: University of Warsaw

Inventors: W. Wasilewski, M. Lipka, M. Mazelanik, M. Parniak-Niedojadło, K. Zdanowski, A. Ostasiuk, A. Leszczyński

Polish patent application P.434142 for the invention was filed on 31/05/2020, and polish patent PAT.241214 was granted on 01/06/2022: https://ewyszukiwarka.pue.uprp.gov.pl/search/pwp-details/P.434142

The international PCT patent application has been filed based on PL priority on 31/05/2021 under nr PCT/IB2021/054747, and it was published under WO2021245529. The international PCT patent application is pending. https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2021245529&_fid=PL344891784

A European patent application has been filed as a regional phase of PCT application PCT/IB2021/054747. EP21745407.3 patent application has been filed on 30/03/2022. European patent application is pending. https://register.epo.org/application?number=EP21745407

The patent application was funded and supported by the “Quantum Optical Technologies” (MAB/2018/4) project carried out within the International Research Agendas programme of the Foundation for Polish Science co-financed by the European Union under the European Regional Development Fund.

Invention entitled: System and method of characterization of very weak femtosecond pulses at the single-photon level by second-order interferometry in a time-frequency modulator system

Applicant / Patent proprietor: University of Warsaw

Inventors: W. Wasilewski, M. Lipka, M. Parniak-Niedojadło, M. Jastrzębski, S. Kurzyna

Polish patent application P.441074 for the invention filed on 30/04/2022. Unpublished polish patent application is pending:

A European patent application has been filed. European patent application is pending: https://register.epo.org/application?number=EP23156422

The patent application was funded and supported by the “Quantum Optical Technologies” (MAB/2018/4) project carried out within the International Research Agendas programme of the Foundation for Polish Science co-financed by the European Union under the European Regional Development Fund.

Invention entitled: A receiver for receiving information transmitted using very weak light pulses, a system for transmitting information comprising such a receiver and a method for transmitting information using very weak light pulses

Applicant / Patent proprietor: University of Warsaw

Inventors: K. Banaszek and M. Jachura

Polish patent application P.423300 for the invention filed on 30/10/2017, the patent has been granted on 22/04/2021 and published under Pat.238571 https://ewyszukiwarka.pue.uprp.gov.pl/search/pwp-details/P.423300

The international PCT patent application has been filed based on PL priority on 27/10/2018 under nr PCT/IB2018/058421, and it was published under WO2019087029A1. https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2019087029

A European patent application has been filed as a regional phase of PCT application PCT/IB2018/058421. The parent patent application EP18833290.2 has been filed on 27/04/2020. A European patent application is pending: https://register.epo.org/application?number=EP18833290

A divisional patent application EP20174066.9 has been filed on 27/04/2020, and the European patent has been granted on 21/07/2021 under EP3734862B1: https://register.epo.org/application?number=EP20174066

A US patent application has been filed as a national phase of PCT application PCT/IB2018/058421. A US patent application US20210091859A1 has been published on 25/03/2021, then the US patent has been granted and an US patent specification was published on 05/10/2021 under US11,139,897B2: https://ppubs.uspto.gov/pubwebapp/external.html?q=11,139,897.pn.&db=USPAT
https://patentcenter.uspto.gov/applications/16759883

A China patent application CN111328444A has been published on 23/06/2020, and the Chinese patent has been granted and the patent specification was published on 21/09/2021 under CN111328444B: https://patents.google.com/patent/CN111328444B

The patent application was funded and supported by the “Quantum Optical Technologies” (MAB/2018/4) project carried out within the International Research Agendas programme of the Foundation for Polish Science co-financed by the European Union under the European Regional Development Fund.