Patents | QOT

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

Applicant / proprietor: University of Warsaw
Inventors: W. Wasilewski, M. Mazelanik, M. Parniak, S. Borówka, L. Tańska, B. Koziarska-Glinka

EP Europe (EPO) pending A European patent application has been filed. A European patent application is pending Register entry

The “Quantum Optical Technologies” (MAB/2018/4) project is 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.

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.

Applicant / proprietor: University of Warsaw and University of Gdańsk
Inventors: K. Banaszek, M. Jachura, M. Jarzyna, M. Pawłowski

PL Poland (UPRP) granted 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 Register entry
WO International (WIPO/PCT) published The international PCT patent application has been filed based on PL priority on 26/02/2021 under no PCT/IB2021/051623, and it was published under WO2021171248A1. PCT application is patent pending. Register entry

The “Quantum Optical Technologies” (MAB/2018/4) project is 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.

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 / proprietor: University of Warsaw
Inventors: W. Wasilewski, M. Lipka, M. Mazelanik, M. Parniak-Niedojadło, K. Zdanowski, A. Ostasiuk, A. Leszczyński

PL Poland (UPRP) granted 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 Register entry
WO International (WIPO/PCT) published 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. Register entry
EP Europe (EPO) granted 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 EP4035302 has been granted Register entry

The “Quantum Optical Technologies” (MAB/2018/4) project is 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.

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 / proprietor: University of Warsaw
Inventors: W. Wasilewski, M. Lipka, M. Parniak-Niedojadło, M. Jastrzębski, S. Kurzyna

PL Poland (UPRP) published Polish patent application P.441074 for the invention filed on 30/04/2022. An unpublished Polish patent application is pending:
EP Europe (EPO) granted A European patent EP4269965 has been granted on 07/03/2025 Register entry

The “Quantum Optical Technologies” (MAB/2018/4) project is 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.

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 / proprietor: University of Warsaw
Inventors: K. Banaszek and M. Jachura

PL Poland (UPRP) granted 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 Register entry
WO International (WIPO/PCT) published 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. Register entry
EP Europe (EPO) pending 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 Register entry
EP Europe (EPO) granted 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 Register entry
US United States (USPTO) granted 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 Register entry
CN China granted A Chinese patent application CN111328444A was published on 23/06/2020, and the Chinese patent has been granted, and the patent specification was published on 21/09/2021 under CN111328444B Register entry

The “Quantum Optical Technologies” (MAB/2018/4) project is 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.