Q2Photon: Quantum Technologies with Photons
Enabling Long Distance Future-Proof Quantum Communication Through Optical Fibre Networks
For quantum threats, quantum solutions
Advancement with the quantum computer, the current internet encryption method won't be secured in future. Quantum communication would be the solution to keep your information safe.
Enabling long-distance quantum communication
The current classical repeaters are of no use (no-cloning theorem) for long distance quantum communication. Thus, we need quantum repeaters.

The building block for quantum repeater is entangled photon-pair source at telecom wavelength (1.5 μm) as well as for quantum memory implementation (780 nm).

We are building entangled photon-pair source to allow long distance quantum communication through existing fibre optics network, globally.
Schematic of the implementation (plan)
Long distance quantum communication through existing fibre optics network,
using Q2Photon's (Q2P) entangled photon-pair source.
Our Team
Dr Ritayan Roy, Founder and CEO
Ritayan Roy is a quantum physicist, with scholarly track record and experience for over 10 years. He completed his PhD from the Centre for Quantum Technologies, National University of Singapore, followed by research fellowships in the University of Southampton and University of Sussex, United Kingdom.
Dr Gurpreet K Gulati, CTO (Honorary)
Gurpreet K Gulati earned her PhD from the Centre for Quantum Technologies, National University of Singapore, in Quantum Optics. She is a leading researcher in the field of entangled photon-pair generation with 10 years of research experience. She was research fellow at University of Sussex, UK and JPL-NASA, USA.
Mr Iftekher Chowdhury, Quantum Engineer
Iftekher Chowdhury is a PhD candidate in Quantum Optics at Macquarie University. He is currently working on a long distance quantum communication project. He is also an IT engineer by profession with 3 years of experience in network engineering.
Dr Eric Howard, Quantum Physicist (Honorary)
Eric Howard is a Postdoctoral Research Fellow in Theoretical Physics at CSIRO, Astronomy and Space Science and Macquarie University Centre for Quantum Engineering. He is also Adjunct Research Fellow in computational condensed matter at Griffith University. He earned his PhD in black hole physics at Macquarie University and currently works on quantum information theory, many-body physics, quantum phase transitions and criticality, theoretical condensed matter, AdS/CFT, quantum thermalization, non-equilibrium and quantum chaos and their applications to cosmology and quantum gravity. Eric brings in 25 years of experience as a network and systems engineer as well.
Prof Gavin Brennen, Advisor
Gavin Brennen is Professor of Physics at Macquarie University. He has 17 years experience in quantum related technologies including architectures for quantum computing using atomic, molecular, and optical systems. He leads a quantum information theory group working on quantum computing and simulations of many body physics, and is director of the Macquarie Centre for Quantum Engineering.
A/Prof Thomas Volz, Advisor
Thomas Volz is Associate Professor in Experimental Quantum Physics at Macquarie University. He has worked with different quantum systems, from ultracold quantum gases to integrated quantum photonic devices to nanodiamonds. The main focus of his current research lies on the exploration of novel material systems for emerging quantum technologies. A/Prof Volz is a CI in EQUS, the ARC Centre of Excellence on Engineered Quantum Systems. He is EQUS node manager at Macquarie University and part of the EQUS Executive and TRL Committees.
Advantages of our company
We don't find solutions from the current technology, we invent novel technology for future.
Quantum technology
New technology for secured communication. We consult your problem, to find a quantum solution.
Innovation
Our product is unique solution for long distance quantum communication, based on our research.
Enabling Long Distance Quantum Communication
There is no viable portable entangled photon pair source for quantum repeater. We build bright, narrowband, portable entangled photon-pairs at 1.5 μm and 780 nm.
FEEL FREE TO CONTACT US
+61 401 559 773
ritayan.roy@u.nus.edu
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