Group Members
PI – Pascal Del’Haye
Pascal Del’Haye
Max Planck Institute for the Science of Light
91058 Erlangen, Germany
pascal.delhaye [at] mpl.mpg.de
Tel +49 9131 7133 137
Curriculum Vitae
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Postdocs/Staff
PhD Students
Toby Bi
Toby has a BSc in physics and computer science, BSc (Hons) in physics, and an MSc in physics, all from The University of Auckland, New Zealand. His master’s research project was on parametric oscillations in magnesium fluoride microresonators supervised by Stuart G. Murdoch in the nonlinear photonics group. Toby joined the group at MPL in 2020 to pursue a PhD as part of the MICROCOMB Marie Skłodowska-Curie Innovative Training Network.
toby.bi [at] mpl.mpg.de
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Haochen Yan
Haochen received his Bachelors in physics from University of California, Los Angeles, and Master’s degree in Chemistry from University of Tokyo. He joined the group as a PhD student in 2021.
haochen.yan [at] mpl.mpg.de
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Alekhya Ghosh
Alekhya received his bachelor’s degree in electronics and communication engineering from University of Calcutta, India, and master’s degree in advanced optical technologies from Friedrich Alexander University of Erlangen – Nuremberg, Germany. He joined the group as a PhD candidate in January, 2022.
alekhya.ghosh [at] mpl.mpg.de
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Arghadeep Pal
Arghadeep obtained his Bachelor’s degree in Electronics and Communication Engineering from the University of Calcutta in 2019. His Bachelor’s Thesis was on Simulation of photonic crystal and application of machine learning in it. In 2019, he joined the Master’s Programme in Advanced Optical Technologies at Friedrich Alexander University. He joined our group in 2020 for his internship, mini-thesis, and Master Thesis.
arghadeep.pal [at] mpl.mpg.de
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Abdullah Alabbadi
Abdullah joined us in late 2022 to pursue his PhD as part of the Max Planck School of Photonics. He obtained his M.Sc degree in Physics in the winter of 2022 as part of the International Max Planck Research School for Condensed Matter Science in Stuttgart. During his time there, he worked on kW-scale thin-disk lasers and few-cycle nonlinear light sources.
abdullah.alabbadi [at] mpl.mpg.de
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Masoud Kheyri
Masoud graduated in physics from Sharif University of Technology, Tehran, Iran. He moved to Paris to join the Master2 program in Quantum Devices at University of Paris. He did his internship on high frequency modulation of Quatum Cascade Lasers in QUAD group, École Normale Supéreiure, Paris. After a short stay in 2dphotonics group, CREHA, Antibes working on the design and fabrication of GaN metasurfaces, he moved to the Max Planck School of Photonics to follow his studies in Master of Advanced Optical Technologies (MAOT).
masoud.kheyri [at] mpl.mpg.de
Luca Trinchão
Luca received his Bachelor’s in Physics from the University of Campinas, Brazil, where he is now pursuing a PhD focused on nonlinear optics and coupled microresonators. He joined our group in June 2025 for a one-year internship.
luca.trinchao [at] mpl.mpg.de
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Students
Julian Thoms
Julian is a Master of physics student at the FAU Erlangen-Nürnberg. He started his studies in October 2019. He joined the group to work on his Bachelor Thesis about Fabry–Perot cavities.
julian.thoms [at] fau.de
Ibrahim El Mazbouh
Ibrahim received his bachelor’s degree in physics from the Lebanese University in Beirut. He joined the group as a master’s student in April 2024, specializing in advanced optical technologies. His research focuses on nonlinear microresonators.
ibrahim.el-mazbouh [at] mpl.mpg.de
Nivedita Vishnukumar
Nivedita has an MSc degree in Physics from UM-DAE CEBS Mumbai. She decided to narrow her research interests to Optics and decided to do Masters in advanced optical technologies at FAU Erlangen. She joined our group in May 2024 and currently is working on coupled microresonators
nivedita.vishnukumar [at] mpl.mpg.de
Carl Abi Nakad
Carl is working towards a Masters in Advanced Optical Technology at FAU Erlangen and is part of the Max Planck School of Photonics. He graduated from the University of Auckland in 2022 with a BSc in physics and mathematics. Currently working on a non-linear imaging project.
carl.abi-nakad [at] mpl.mpg.de
Franz Pacher
Franz received his Bachelor’s degree in Physics from FAU Erlangen-Nürnberg in 2023 and joined the group in 2024 for his Master’s thesis in Physics on the topic of entangled photon-pair generation on-chip and its applications.
franz.pacher [at] mpl.mpg.de
Sofia Fyseki
Sofia received her bachelor’s degree in physics from Aristotle University of Thessaloniki, Greece and is currently pursuing a master’s degree in advanced optical technologies in Friedrich Alexander University of Erlangen – Nuremberg, Germany. She joined the group in August 2024 and is currently working on a low-noise, high power amplifier.
sofia.fyseki [at] mpl.mpg.de
Visiting Students
Emily Eadie
Emily received her bachelor’s degree in Physics from Concordia University in Montreal, Canada, where she is currently pursuing a PhD in physics with a focus on nonlinear optics. She joined the Del’Haye group for a summer internship in 2025.
emily.eadie02 [at] gmail.com
Theophile Lenoir
Théophile is currently studying Electronics and Telecommunications at ENSIL-ENSCI, the engineering school of the University of Limoges in France. He joined the Del’Haye group for a summer internship in 2025 with a focus on microresonators and nonlinear optics.
theophile.lenoir [at] etu.unilim.fr
Previous Group Members
Graeme Campbell (PhD 2020-2024)
Shuangyou Zhang (postdoc 2017-2024)
Present affiliation: Assistant Professor at Technical University of Denmark.
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Lewis Hill (postdoc 2021-2024)
Present affiliations: Postdoc at Kunst Research Group, Max Planck Institute for the Science of Light, Erlangen;
Optical Design Engineer at Photonics Precision Engineering.
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Zhou Qixuan (intern summer 2024)
Present affiliation: Undergraduate Student at Peking University.
Firdevs Yuce (intern summer 2024)
Present affiliation: Mechanical Engineering Student at Koc University.
Hao (Jam) Zhang (visiting PhD 2021-2024)
Present affiliation: Intern at Tianyuan Laboratory, National Key Laboratory of Microwave Photonics Technology.
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Yaojing Zhang (postdoc 2022-2023)
Present affiliation: Assistant Professor at Chinese University of Hong Kong (Shenzhen).
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George Ghalanos (2019-2023)
Present affiliation: Akhetonics.
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Jolly Xavier (visiting June 2022 & June 2023)
Present affiliation: Associate Professor at Indian Institute of Technology, Delhi.
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Louis-Philippe St-Arnaud (visiting student, summer 2023)
Marjan Raeis Danaei (PhD student 2021-2022)
Present affiliation: Energy Storage Sales Engineer at Fluence.
Yongyong Zhuang (visiting 2022-23)
Present affiliation: Associate professor at the Jiaotong University.
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Eva-Maria Hirmer (Bachelor’s student 2022)
Present affiliation: Master’s student at the FAU Erlangen-Nürnberg.
Kiyoul Yang (visiting September 2022)
Present affiliation: Assistant Professor at the Harvard University.
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Leonardo Del Bino (PhD / EngD and PostDoc 2016-2022)
Present affiliation: Co-founder at Akhetonics.
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Andreas Svela (PhD 2018 -2022)
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Niall Moroney (PhD 2018 -2022)
Present affiliation: Quantum Optics Scientist at ORCA computing, UK.
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Michael Woodley (PhD / EngD 2016 -2020)
Present affiliation: Postdoc at the University of Sussex, UK.
Shroddha Mukhopadhyay (summer intern 2020)
Present affiliation: PhD student at Universitat Politècnica de Catalunya, Barcelona, Spain.
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Jonathan Silver (research scientist / postdoc 2015 – 2020)
Present affiliation: National Physical Laboratory, UK.
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Shun Fujii (visiting PhD 01/2020-03/2020)
Present affiliation: Keio University, Japan.
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Francois Copie (research scientist / postdoc 12/2017-08/2018)
Present affiliation: Lecturer at University of Lille, France.
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Xin Zhao (visiting scientist 08/2016-08/2017)
Present affiliation: Associate Professor Beihang University, Beijing, China.
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Sarah Stebbings (visiting scientist 07/2015-07/2017)
Diptarko Chowdhury (work experience student 01/2016-05/2016)
Present affiliation: Student at Oxford University.
Changlei Guo (visiting scientist 01/2016-04/2016)
Present affiliation: SYRTE – Observatoire de Paris.
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Amy Hughes (summer intern 06/2015-09/2015)
Present affiliation: PhD Student at the Clarendon Laboratory, Oxford University.
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