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

About this Internship: Optimization of quantum light sources (H2/2026) role at Quandela

Quandela · Palaiseau, Île-de-France, France

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 🚀 

Description of the Project

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.

Your Key Responsibilities

  • 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

Requirements

  • 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 

Benefits

  • 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. 

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About Quandela

Quandela is a European start up that provides photonic quantum computers that are modular, scalable, energy-efficient and accessible both on the cloud and on premise.

Our team of 85 employees, specialises in the development of both software and hardware solutions for a variety of quantum applications. We offer a wide range of services, from developing the most efficient and brightest single photons sources, to creating algorithms for quantum computers and providing cloud quantum computing solutions.

Quandela plays a pivotal role as a strategic partner in the quantum transformation of industrial sectors such as energy, finance, pharmaceuticals, and transportation. Furthermore, we are esteemed collaborators within the academic and research community.

  • Following a successful €50 million fundraising in 2023, we are now scaling up our commercial ventures alongside our ongoing research endeavors.
  • Quandela has been chosen to participate in the French Tech 2030 program, which aims to bolster French companies pioneering groundbreaking innovations.

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