Welcome to this LT30 satellite, Low-Temperature Quantum Detectors: from fundamentals to applications, hosted in Helsinki, Finland! This event is organized by InstituteQ, Finland’s national quantum institute.

Recent developments in low-temperature detectors incorporate genuine quantum features, promising to reach unprecedented levels of measurement precision. On a fundamental level, these highly sensitive devices will give us a glimpse into the world of quantum/thermal fluctuations and the effect of measurement backaction, and will advance the utilization of quantum resources and feedback. They will create a pathway to scientific breakthroughs: novel phenomena in condensed-matter physics, enhanced spectroscopical characterization, observation of new particles, and understanding the interaction between gravity and quantum-mechanical objects.

The topics of the conference comprise (but are not limited to) the following:

• ultrasensitive and fast thermometry, bolometry, and calorimetry
• microwave single-photon detectors: applications in axion detection and spin measurements
• new materials (high-kinetic inductance, granular superconductors, topological, graphene, other 2D materials)
• algorithms for sensing, including machine learning
• detectors for particle physics and astronomy
• fundamental limits on sensitivity and quantum metrology
• enabling devices: parametric amplifiers, low-temperature electronics
• gravitational measurements
• entanglement, squeezing, coherence, and active feedback as measurement resources
• unconventional sensors in cQED
• hybrid mechanical/magneto/opto/microwave devices
• superconducting qubits as sensors of electromagnetic fields

Registration:

Registration for all attendees, excluding Aalto University personnel: Register here

Aalto University Personnel Registration: Register via Webropol

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Deadlines:

The registration for this event will close in mid-May. Registration is still possible after this deadline, but the price will increase thereafter.

Cancellation Policy: Registration fees are nonrefundable.

Abstract submission:

If you wish to provide a contributed talk, you can submit your abstract via the forms during your registration. The deadline for submitting abstracts for those wishing to provide a contributed talk is 20.4.2025. Poster abstracts are also submitted during the registration process, and they will be accepted until the closing of the registration pages in mid-May.