Quantum Photonics Lab (QuP-Lab)

Contacts

Lucia Caspani – lucia.caspani@uninsubria.it
Matteo Clerici – matteo.clerici@uninsubria.it
Ottavia Jedrkiewicz – ottavia.jedrkiewicz@uninsubria.it
Phone: +39 031 2386276
Office: Via Valleggio 11, Torre Building, V4.7

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Research Focus

The Quantum Photonics Lab (QuP-Lab) is a leading research hub dedicated to exploring and advancing the science of quantum light.

Building on over 15 years of pioneering work in quantum and nonlinear optics, our research spans the generation, manipulation, and application of quantum states of light, as well as cutting-edge developments in ultrafast spectroscopy and integrated photonics.

Our key research areas include:

  • Complex Quantum States of Light:
    We develop and optimize multimode and multipartite quantum light sources for nonlinear imaging and microscopy, enhancing light–matter interaction and boosting the efficiency of nonlinear processes. This work is crucial for practical applications in quantum imaging, sensing, and metrology.
  • Integrated Quantum Photonics:
    We design and study photonic integrated circuits (PICs) for generating, controlling, and using non-classical light states. Our research focuses on high-dimensional quantum states embedded in compact photonic chips, advancing scalable quantum computing and enabling new functionalities in quantum photonics.
  • Quantum Optics in the Infrared:
    We explore the infrared spectrum for its broad technological impact, from fingerprint-region spectroscopy and ultra-broadband communications to security (e.g., body scanners) and pharmaceutical and food quality control. Our team develops quantum metrology techniques to enhance sensitivity and precision in infrared diagnostics.
  • Ultrafast Pump–Probe Spectroscopy:
    We create advanced systems for time-resolved measurements of far-infrared (THz) radiation, enabling precise spectroscopic analysis and material identification. Applications include pharmaceutical quality assurance, detection of toxic gases and explosives, structural diagnostics, and the preservation of cultural heritage.

Equipment and Facilities

The lab is currently expanding its infrastructure to support advanced research in quantum photonics. Planned facilities include:

  • An 80W Yb-based ultrashort-pulse laser source with up to 2 MHz repetition rate at 1030 nm.
  • A spectral compressor delivering transform-limited picosecond pulses at 515 nm.
  • An optical parametric amplifier offering tunability across the 650–2500 nm range.

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