Internship: Optimization of quantum light sources (H2/2026)

Quandela stands as a global leader in quantum computing, driven by groundbreaking technology and a strategic vision for scaling quantum solutions. The company’s unique ability to offer both hardware and software solutions, along with its commitment to build energy efficient datacenters and scalability, positions it to play a key role in the next wave of innovation, and in many strategic and sovereign industrial sectors. 

Join Us at the Forefront of Quantum Computing Innovation 🚀 

Our core product consists of ultra-bright sources of single-photons based on a disruptive technology developed for the past 15 years at the C2N-CNRS laboratory. These unique quantum light sources serve as building blocks for the development of optical quantum computers and the deployment of quantum networks.  During this internship you will be part of the team in charge of the optical characterization of these ultra-bright single-photon sources.

• Optical characterization of single-photon sources
• Quantitative analysis of key metrics and their optimization 
• Development of customized optical tools for optical characterization

• Test and implementation of innovative solutions

• You are enrolled in a university program that includes an internship period. This should be a Master's Degree (first or second year) or equivalent (not a PhD) program in Physics, Engineering, or related fields 

• You are available full-time for 5 to 6 months 
• You have hands-on experience in an optical laboratory
• Background in semiconductor physics or quantum optics is a plus
• Experience with Python is a plus 
• You want to work in an international team and have good English communication skills 
• You are curious, energetic, and love solving problems 

• Swile Card (meal vouchers) 🍴🛒

• 50% participation in transportation costs 🚆

• Possibility of remote work (1 day / week) 💻
• Internship Allowance between €1,200 and €1,400 per month 💰

• 1,5 days off per month, cumulative 🧳

What We Offer​

• A challenging and innovative work environment
• A diverse and collaborative company culture
• Strong potential for fast career development within a growing highly professional team

At Quandela, we believe that the strength of our team is the plurality of experiences, perspectives, and journeys. We are committed to building a respectful, inclusive, and welcoming work environment. All applications are welcome.