Quantum Computing Lab
Sevag Gharibian
Associate Professor
Bio
Sevag obtained his Ph.D. in 2012 from the University of Waterloo in Canada under the supervision of Dr. Richard Cleve. He taught as a Visiting Lecturer at the University of Illinois at Chicago in Fall 2012, and from 2013-2014 was a Postdoctoral Fellow in the group of Dr. Umesh Vazirani at the University of California, Berkeley. He was awarded Canada's top postdoctoral fellowship in 2013, the NSERC Banting Postdoctoral Fellowship, and was also a Simons Research Fellow at the Simons Institute for the Theory of Computing at UC Berkeley. From 2014 to 2018, he was an Assistant Professor in Computer Science at Virginia Commonwealth University in the USA, and since 2018 is a faculty member in Computer Science at Paderborn University, Germany. He served from 2016 to 2018 as Secretary on the Board of Trustees of the Computational Complexity Conference (CCC), from 2023 to 2024 on EATCS ICALP Steering Committee, and since 2016 is a Founding Editor of the open-access journal Quantum.
Research Interests
Classical/quantum algorithms and complexity theory.
Contact
Office: O4.225
Email: sevag.gharibian((at))upb((dot))de
Twitter: @sevag_gharibian
Phone: (+49) 5251 60 4331
CV
Click here.

Tina (Qiuting) Chen
Postdoc
Bio
Tina (Qiuting) Chen is a postdoc at Paderborn University. She received her Ph.D. in Mathematics from University of Waterloo in 2023 under the supervison of Chris Godsil. She has done her theses in both continuous- and discrete-time quantum walks.
Research Interests
Algebraic graph theory, quantum walks, Gaussian boson sampling, quantum information theoery
Contact
Office: O4.125
Email: qiutingc(at)mail(dot)uni-paderborn(dot)de



Lial Khaluf
Postdoc
Bio
Lial is a postdoc at Paderborn University. She obtained her Master degree from Paderborn University in 2010, and her PhD degree from Paderborn University in 2019. Her Master thesis "Business Process Quality Assurance" has been done under the supervision of Prof. Gregor Engels, and her PhD thesis "Organic Programming of Dynamic Real-Time Applications" under the supervision of Prof. Franz Rammig.
Research Interests
Quantum Computation, Real-Time Systems, and Software Engineering
Contact
Office: O4.134
Email: klial(at)mail(dot)uni-paderborn(dot)de
Phone: (+49) 5251 60 1715



Hamidreza Naeij
Postdoc
Bio
Hamidreza is a postdoc researcher at Paderborn University. He received his Ph.D. in 2017 from Sharif University of Technology (SUT), Tehran, Iran. He wrote his Ph.D. thesis on various topics such as Quantum Foundations, Open Quantum Systems, and Quantum Biology. In 2016, he was a visiting researcher at Abdus Salam International Centre for Theoretical Physics (ICTP) in Italy for six months. Moreover, he completed three postdocs at SUT from 2018-2022.
Research Interests
Open Quantum Systems, Quantum Computation, Gaussian Boson Sampling
Contact
Office: O4.134
Email: hamid(dot)naeij(at)uni-paderborn(dot)de
Phone: (+49) 5251 60 1774



Carsten Hecht
PhD Candidate
Bio
Carsten is a PhD student/research assistant at Paderborn University. He obtained his masters degree in 2022 from Paderborn University. He wrote his masters thesis on quantum LDPC codes under the supervision of Prof. Sevag Gharibian.
Research Interests
Quantum computation, complexity theory and error correcting codes
Contact
Email: checht2(at)mail(dot)upb(dot)de




Jonas Kamminga
PhD Candidate
Bio
Jonas is a PhD student/research assistant at Paderborn University. He obtained his masters degree in 2022 from Radboud University Nijmegen. He wrote his masters thesis on quantum communication complexity under the supervision of Prof. Ronald de Wolf (UvA and CWI).
Research Interests
Quantum computing, complexity theory and communication complexity
Contact
Email: jonas.kamminga(at)upb(dot)de




Georgios Karaiskos
PhD Candidate
Bio
Georgios is a PhD student/research assistant at Paderborn University. He obtained his masters degree in 2021 from National and Kapodistrian University of Athens. He wrote his masters thesis “Toric codes in topological quantum computation” under the supervision of Prof. Emmanouel Floratos.
Research Interests
Quantum error correcting codes, topological quantum computation, fault tolerant quantum computing
Contact
Office: O4.131
Email: georgios.karaiskos@uni-paderborn.de
Phone: (+49) 5251 60 5388

Dorian Rudolph
PhD Candidate
Bio
Dorian Rudolph is a PhD student/research assistant at Paderborn University. He obtained his MSc from Paderborn University in 2020 under the supervision of Jun.-Prof. Dr. Sevag Gharibian.
Research Interests
Quantum computation and complexity theory
Contact
Office: O4.131
Email: dorian.rudolph(at)upb(dot)de
Phone: (+49) 5251 60 1709




Dhruva Sambrani
PhD Candidate
Bio
Dhruva Sambrani is a physicist turned computer scientist who earned a Master’s degree in Physics from Indian Institute of Science Education and Research (IISER) Mohali, India. He did his Master’s Thesis in Reset Quantum Walks with Dr Manabendra Nath Bera. Currently, his focus lies in research on the complexity of classical algorithms for Gaussian Boson Sampling, a fascinating intersection of quantum mechanics and computer science.
Research Interests
Gaussian Boson Sampling, Algorithms and Complexity
Contact
Office: O4.125
Email: dhruva19(at)mail(dot)uni-paderborn(dot)de








Alumni (Reverse Chronological Order)





Avantika Agarwal, Undergraduate research intern, IIT Delhi, 2022








Daniel Warkentin, Masters, UPB, 2021-2022







Jannes Stubbemann, Masters, UPB, 2018-2020







Jianqiang Li, PhD Candidate, VCU, 2016-2018
(Currently PhD Candidate at Pennsylvania State University under Prof. Sean Hallgren due to my move to Uni Paderborn.)







Seyran Saeedi, PhD Candidate, VCU, 2015-2018
(Completed PhD under Prof. Tomasz Arodz due to my move to Uni Paderborn. Currently Postdoc at UC Santa Barbara.)






Justin Yirka, Undergraduate Research Assistant, VCU, 2015-2017
(Currently PhD student with Scott Aaronson at UT Austin)






Aidan Collins, Undergraduate Research Assistant, VCU, 2014-2015