Low-noise amplification of feeble microwave signals is essential for superconducting quantum circuitry. Now, a gate-tunable Josephson parametric amplifier made from graphene shows 24 dB amplification paired with 10 MHz bandwidth and –130 dBm saturation power.
- Joydip Sarkar
- Kishor V. Salunkhe
- Mandar M. Deshmukh
