Research news, invited talks, project announcements, publications, and group activities from EKO.
December 2025
Our team members Dilanur Atak, Tuna Özdür, Kaan Orhan, Kübra Erturan, and Emre Çağlar presented recent work on SiN-based photonic cavities, single-photon emitters in hBN, and random number generation with spontaneous parametric down-conversion at the 30th Ankara Condensed Matter Physics Meeting hosted by Ankara University. The poster on random number generation won the best poster award.
December 2025
Dr. Ozan Arı gave an invited talk titled "Integrated and Nano-photonic Quantum Light Sources in Visible Wavelengths" at the 30th Ankara Condensed Matter Physics Meeting hosted by Ankara University.
Talk Title: Integrated and Nano-photonic Quantum Light Sources in Visible Wavelengths
November 2025
Dr. Ozan Arı gave an invited talk on nano-photonic quantum light sources and quantum sensing at the 1st TÜBİTAK-CAS Joint Symposium on Quantum Technologies organized by TÜBİTAK and the Chinese Academy of Sciences.
Event: 1st TÜBİTAK-CAS Joint Symposium on Quantum Technologies
October 2025
Dr. Ozan Arı gave a talk titled "Nonlinear Quantum Light Sources for Quantum Technology Applications" at IZPHOTECH'25, organized by the Department of Photonics at Izmir Institute of Technology.
Talk Title: Nonlinear Quantum Light Sources for Quantum Technology Applications
August 2025
A new project on nano-photonic design for quantum applications was accepted by Hacettepe University BAP.
July 2025
Dr. Ozan Arı gave a talk on integrated photonic quantum technologies at the Optics & Photonics Summer School organized by the METU Optics Photonics Society.
April 2025
Dr. Ozan Arı gave an invited talk on photonic quantum technologies at an event organized by TÜBİTAK ULAKBİM, QTürkiye, and Quantum ODTÜ.
April 2025
Dr. Ozan Arı gave an invited talk on recent progress in 2D-based quantum light sources at an event organized by IZTECH Quantum Community, İzmir Institute of Technology, and QTurkey, with support from QuanTour and the German Physical Society.
February 2025
A new paper reported a quantitative temperature-dependent study of an isolated single defect in hBN, including broadening, line shift, line shape, observation of the low-frequency interlayer shear phonon mode, and analysis of the Debye-Waller factor and phonon-assisted processes relevant to quantum light sources.
February 2025
A project on nano-photonic design for quantum applications was accepted by TÜBİTAK BİLGEM.
Project Title: Nano-photonic design for Quantum Applications
October 2024
A project on the design of quantum nano-photonic devices for quantum technology applications was accepted by TÜBİTAK BİLGEM.
Project Title: Nano-photonic design for Quantum Photonic Structures
October 2024
Dr. Ozan Arı gave a talk on recent trends in quantum key distribution systems employing both discrete and continuous variables as quantum information carriers.
October 2024
Dr. Ozan Arı gave a seminar on recent progress in nonlinear quantum light sources at an event organized by Bilkent University, Department of Physics.
Seminar Topic: Nonlinear Quantum Light Sources for Quantum Technology Applications
October 2024
Dr. Ozan Arı gave a lecture on recent trends in quantum key distribution systems at a colloquium organized by Bursa Uludağ University Electric-Electronic Engineering and Optics-Photonics Engineering.
Colloquium Topic: Quantum Key Distribution with Discrete and Continuous Variables
September 2024
Dr. Ozan Arı gave several lectures on integrated photonic quantum computers during the fall school 'Programmable Photonic Quantum Computers' organized by TÜBİTAK Research Institute for Fundamental Sciences.
September 2024
The proposal titled 'Integrated and Nano-photonic Quantum Light Sources in Visible Wavelengths' was funded within the TÜBİTAK 1001 Program, aiming at the design and fabrication of a novel nano-photonic device for generating quantum-correlated states in the visible region.
Project Title: Integrated and Nano-photonic Quantum Light Sources in Visible Wavelengths
July 2024
A project on quantum cryptography was accepted by TÜBİTAK under the 3501 program. The project focuses on new quantum random number generation approaches based on photon arrival time and single-photon anti-bunching data with high bit generation speed.
Project Title: New approaches in optical quantum random number generation
July 2024
A proposal on quantum nano-photonics was placed on the TÜBİTAK 1001 list of projects for which it was decided to apply without waiting for the next term.
July 2024
The EKO Group started working as a member of the COST 6G-PHYSEC action on physical layer security for trustworthy and resilient 6G systems.