Silent Waves
Reliable by design
Ultra-low noise traveling-wave parametric amplifiers (TWPAs) for high performance qubit readout
Silent Waves
Reliable by design
Ultra-low noise traveling-wave parametric amplifiers (TWPAs) for high performance qubit readout
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our products
Silent Waves designs, manufactures & commercializes TWPAs for high-fidelity qubit readout in quantum computers. Our TWPAs play an important role in improving measurement fidelity, enabling multiplexing and supporting scalable readout architectures.
“Silent Waves has been a valuable partner to Rigetti through their strong technical understanding, responsive collaboration, and clear commitment to supporting high-performance superconducting quantum systems. Their expertise and partnership-oriented approach make them a trusted contributor within the quantum hardware ecosystem.”
Latest News
Publications
Our founders have significant experience in the field of quantum technologies. Here is an extract of articles published in high-impact peer-reviewed scientific journals and presentations at international conferences.
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Photonic-crystal Josephson traveling-wave parametric amplifier
Luca Planat et al. 2020, Physical Review X -

Kerr reversal in Josephson meta-material and traveling wave parametric amplification
Arpit Ranadive et al. 2022, Nature Communications -

A travelling-wave parametric amplifier isolator
Ranadive, A., Fazliji, B., Le Gal, G. et al. 2025, Nat Electron -

Perspective on traveling wave microwave parametric amplifiers
Martina Esposito et al. 2021, Appl. Phys. Lett
Quantum computing will only scale if its readout scales with it. At Silent Waves, we build the amplifiers that make today’s quantum experiments possible while developing the compact, high-performance readout systems that tomorrow’s large-scale quantum processors will require.
Luca Planat, CEO & Co-founder
Quantum computing will only scale if its readout scales with it. At Silent Waves, we build the amplifiers that make today’s quantum experiments possible while developing the compact, high-performance readout systems that tomorrow’s large-scale quantum processors will require.