We are an international, multilingual and multidisciplinary group. Our diversity unites us into an innovative and strong team. 

Claudia Hössbacher

Co-Founder & CEO

Claudia is co-founder and CEO of Polariton Technologies. Prior to Polariton, she was a post-doc in the group of Juerg Leuthold at ETH Zurich, where she also received her PhD in plasmonic modulators for optical communications in 2017. She further holds a Master’s degree in Optics and Photonics from Karlsruhe Institute of Technology, Germany. With >6 years of experience in high-speed electro-optics, she has always been interested in applications and was awarded the ETH Pioneer Fellowship to transfer her research project into innovative products. Outside the office, Claudia loves dancing and enjoys being outside while biking, camping and hiking.

Benedikt Bäuerle

Co-Founder & Co-CTO

Benedikt co-founded Polariton Technologies while finishing his PhD at ETH Zurich in the research group of Juerg Leuthold. He worked on optical communication systems, digital signal processing, and the system integration of plasmonics modulators. Previously, he received his Master of Science in Electrical Engineering and Information Technology at Karlsruhe Institute of Technology.
Benedikt brings more than 10 years of experience in optical communications systems to Polariton. He enjoys outdoor activities, beekeeping, hiking, mountaineering, and many more…

Wolfgang Heni

Co-Founder & Co-CTO

Wolfgang is co-founder and CTO of Polariton Technologies. Before founding Polariton, he worked as a research assistant at ETH Zurich, where he received his PhD in January 2019. During his PhD in Information Technology and Electrical Engineering, he developed high-speed plasmonics electro-optic modulators at the Institute of Electromagnetic Fields, ETH Zurich. He received his Master of Science in Electrical Engineering and Information Technology with distinction (“mit Auszeichnung”) from Karlsruhe Institute of Technology.
Wolfgang has been developing nanotechnology-based solutions for optical communication for more than 6 years, strongly focusing on application-driven R&D. In 2018 he was awarded the BRIDGE Proof-of-Concept fellowship by the Swiss National Science Foundation and the Swiss Innovation Agency Innosuisse.
At Polariton Technologies Wolfgang leads chip-level research and product development to bring the first plasmonic electro-optic modulator to the market.

Eva De Leo


Eva joined Polariton Technologies after receiving her PhD from the Optical Materials Engineering Laboratory of ETH Zurich where she developed new plasmonic and photonic nanostructures for use in sensing, spectroscopy, integrated light sources and thermal emitters.
She received her Master of Science in Micro and Nanotechnologies for Integrated Systems as a joint degree from the Politecnico di Torino, INP Grenoble and EPFL.
At Polariton Technologies she designs and investigates nanoscale processes and materials to develop high-performance integrated optical devices

Patrick Habegger


Patrick joined Polariton Technologies after receiving his Master of Science from the department of information technology and electrical engineering of ETH Zürich, with the main focus on photonics and electronics.
Outside of office, Patrick likes to stay active practicing different sports such as mountain biking, cross-country skiing or working as a kick-boxing instructor.

Nino del Medico


Nino joined Polariton after receiving his Master of Science from the department of mechanical and process engineering at ETH Zurich. During his studies, he primarily focused on thermodynamic and optical material properties in micro-and nanotechnology.
Nino likes to engage in all sorts of outside activities such as hiking, cycling and various other sports while at the same time looking for and valuing social and cultural encounters.

Nicholas Güsken


Nicholas received his B.Sc. and M.Sc. degrees in Physics from RWTH Aachen University, Germany in 2013 and 2016. Additionally, he received a M.Sc. degree in Nanotechnology from the University Sorbonne – Paris VI, France in 2014 and a M.Sc. degree in Management, Business and Economics from RWTH Aachen University, Germany in 2016.
Nicholas completed his Ph.D. in Physics with focus on Nanophotonics, Plasmonics and Opto-electronics at Imperial College London in January 2020 for which he was awarded the Imperial Solid State Thesis Prize 2020. This was followed by a research associate position in the same group (Prof. Dr. Maier and Prof. Dr. Oulton) until joining Polariton Technologies in November 2020.
At Polariton, Nicholas is involved in the R&D chip-development and bringing a viable product to the market.

Marcel Destraz


Marcel Destraz received his B.S. degree in electrical engineering from ETH Zurich, Switzerland in 2018. During his Masters, he heavily focused on optical communication and already supported Polariton during a semester and the master thesis.
For several years during his study, he worked as a recruiter for one of Switzerland’s most prestigious headhunters. During this time, he also was project leader for an annually published study of the composition of the top management of Switzerland’s 100 largest companies. He collected further work experience at a large energy company and in various positions in the event industry.
Marcel joined Polariton in April 2021 as an Application Engineer determining and developing the next generation of high-speed electro-optic plasmonic modulators in close contact with our customers.
In his spare time, Marcel is an avid jogger, loves to play tennis or go for a hike. In every sphere of life, he enjoys discovering and experiencing new things.

Helena Echeverri


Helena joins Polariton as Marketing Manager in 2021. Born in Medellin, Colombia, she has a degree in social communication and a specialization in digital marketing. She has been working in this field for the last seven years. Her multicultural point of view and experience add to our team diversity. Her hobbies are crochet, city touring and chess.

Juerg Leuthold

Scientific Advisor

Juerg Leuthold received the Ph.D. degree in physics from ETH Zurich, for his work in the field of integrated optics and all-optical communications, in 1998. Since 2013, he has been the head of the Institute of Electromagnetic Fields (IEF), ETH Zurich. From 2004 to 2013, he was affiliated with the Karlsruhe Institute of Technology, where he was the Head of the Institute of Photonics and Quantum Electronics and the Helmholtz Institute of Microtechnology. From 1999 to 2004 he was affiliated with Bell Labs, Lucent Technologies, Holmdel, NJ, USA.

Rolando Hess


Rolando is a seasoned business manager and has founded companies in finance, high tech and international business expansion. He has a background in optoelectronics (PhD ETHZ) – ultrafast all optical modulators, finance (Credit Suisse) and an MBA for Sustainability Entrepreneurship and Innovation (ESCP). He worked more than 15 years in telecommunication companies (Alcatel, Lucent, Nokia) in different positions – product marketing, international business development, mergers & acquisitions, processes improvement, legal, government and public affairs. He supports startups in the high-tech domain.

Christian Funck


Christian Funck received his M.S. degree in electrical engineering at ETH Zurich, Switzerland in 2016. His passion lies in the field of electromagnetics and photonics. After his degree, he worked in different R&D environments, including at SPEAG as an application engineer for electromagnetic sensors, and at University of Zurich, in medical device development. 

Christian joined Polariton in August 2020, and is currently part of the electromagnetic simulation team. 

Valentino Tedaldi


Valentino received his BSc and MSc degrees in Information Technology and Electrical Engineering from ETH Zurich, where he focused on photonics and electronics as well as optical communication.
During his studies, he already supported Polariton Technologies – first as a working student and later with his master thesis.
Valentino joined the company in July 2021 as a Packaging and Back-End Engineer, tackling the various challenges when going from chip level to module level and improving the long-term stability of our products.
His favourite leisure activity is best captured by a coworker’s comment: “Engineer by day, guitarist by night.” Apart from music, he is an avid skier, likes to squash, play hockey, and read books.

Adrian Langenbach


He studied physics at ETH and during his masters he worked on a pulsed high power laser system that will be used for laser spectroscopy. A lot of skills he learned there are very applicable to the internship he is currently doing at Polariton Technologies. At Polariton he is working in the back end of line team to determine the reliability and persistence of our modules. In his free time he likes to do sports (volleyball, mountainbiking etc.) and he loves to sing. Therefore he is involved in a variety of choirs and other music projects.

Chanel Docekal


Chanel joined Polariton last October as a “Management Assistant/ Operations Associate” while finishing her studies in business administration at the University of Zurich. At Polariton she is responsible for monitoring and improving internal processes, for developing, implementing and executing of a human resources and talent management process and is supporting the management for efficient corporate governance and business management. In addition to that she is supporting the Marketing, Sales & Business Development department. In September, she will begin her Master’s degree in General Management at the University of St. Gallen and continue to work part-time at Polariton.

In her free time Chanel likes to play tennis, go skiing and to do other outdoor activities. She also really likes to watch sports such as ice-hockey, football or formula 1.

Daniel Kiesewalter


Daniel is currently pursuing his M.Sc. in Electrical Engineering and Information Technology at ETH Zurich, after completing his B.Sc. in the same field. He joined Polariton as an intern in the ‘Device Simulation and Design’ department due to the potential he saw in the company, the interdisciplinary nature of the field and his fascination with Optics. In his free time, he enjoys playing tennis, doing fitness and rowing. He relishes Persian, Spanish and German cuisine. And his favourite colour is wine red.

Roger Dangel


Roger Dangel, PhD. Joined Polariton Technologies in July 2022 as Senior R&D Process Engineer focusing on research, development, production, and integration of Polariton’s plasmonic modulators. From 2000 to 2016, as part of IBM’s Photonics Group his main focus was the development of a versatile single-mode and multi-mode optical polymer waveguide technology to be used for electro-optical printed circuit boards in high-performance computers and silicon photonics packaging and integration in data centers. Over the years, Roger is author or co-author of more than 80 scientific publications and 20 filed patents; a large fraction was licensed to business partners as part of technology transfer agreements.

Giovanni Lillo

Production Technician – Nanofabrication

Giovanni Lillo joined Polariton in August 2022.

He had his first encounter with nano- and microtechnology in 1998 at an IBM start-up company. Since then, he has gained experience in the fabrication of microchips in silicon as well as InP, GaAs and InGaAs.

Giovanni is an expert in the fabrication of sensors as well as photonics and laser components.

Sónia Fernandes


Sónia joined Polariton Technologies in August 2022 as a Production Technician. Born in Portugal, she received a Bachelor`s degree in Chemistry from the Faculty of Sciences of the University of Porto in 2014.  

With over 5 years of experience obtained from applying her knowledge working in the ceramic and textile industries, she believes her specific background and education can bring a different approach to the company’s challenges.

Outside of working her hobbies are hiking, playing team sports, reading and hanging out with her friends, especially in the lake.

Preksha Tiwari

R&D Process Engineer

Preksha joined Polariton Technologies in August 2022 as an R&D Engineer. She received her M.Sc. degree in Interdisciplinary Sciences with specialization in Physics and Materials Science in 2018 from ETH Zurich. She completed her Ph.D. at IBM Research Europe – Zurich and ETH Zurich in 2021, where she worked on group III-V compound semiconductors integrated on silicon for active photonics. In particular, she fabricated and characterized micro- and nanolasers and high-speed photodetectors for optical communication.

At Polariton she is part of the nanofabrication team which develops scalable processes for plasmonic and photonic structures in high-performance integrated optical devices.  

Outside the lab, she likes bicycling, being outside, good food, and stepping out of her comfort zone from time to time.

Neil Foegen

R&D Process Engineer

Neil joined Polariton in October 2022 as a Process Engineer for Organic Electro-Optic Materials. Neil earned his Ph.D. in Chemical Physics from Columbia University where he specialized in determining the structure-function relationships of organic chromophores for device applications such as field-effect transistors, solar cells, and light-emitting diodes. At Polariton, Neil’s objectives are to combine his expertise in chemistry, materials science, and device fabrication to design organic materials with optimal properties for electro-optic modulators and to implement processes for maximal material performance reliability.

Neil earned his B.S. in his home state at the University of Wisconsin – Stevens Point where he double-majored in Chemistry and Geoscience. Neil’s interests vary widely in both his professional and private life; outside of work, Neil enjoys activities such as hiking, cooking, eating great food, snowboarding, yoga, and traveling. On occasion, Neil also enjoys live music, the performing arts, and comedy.

Alyssa Prasmusinto

Production Engineer

Alyssa joined Polariton Technologies in November 2022. She received her Bachelor’s degree in Electronic Engineering from the University of Southampton, UK and her Master’s degree in Micro- and Nanosystems from ETH Zurich, Switzerland.

She has experience working in both R&D and production cleanrooms, as well in technology transfer of semiconductor devices from R&D to production. Previously, she was working as a process engineer in a high voltage semiconductor production line at Hitachi Energy.

Outside of work, she likes cooking and do culinary travels, as well as going to music concerts and festivals.

Jan Sommerhäuser


Jan is in the last semester of his Bachelors degree in electrical engineering and information technology at ETH Zurich. He has also work at Empa (Swiss Federal Laboratories for Materials Science and Technology) for quite some time now, which allowed him to gain multiple years of work experience in the field of lab automation. He loves playing basketball and video games and he is always in the mood for card games (especially Tichu!)

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Polariton Technologies AG
c/o ETH Zürich
Postfach 9000
8803 Rüschlikon


We are revolutionizing our future communication network and contributing to the world through research, scientific accuracy and our very own set of values that we do not compromise.

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