Investigating pump harmonics generation in a SNAIL-based Traveling Wave Parametric Amplifier
Fuente:
arXiv
Salvato in:
| Autori principali: | , , , , , , , , , , , , , , , , , , |
|---|---|
| Natura: | Preprint |
| Pubblicazione: |
2024
|
| Soggetti: | |
| Accesso online: | |
| Tags: |
Aggiungi Tag
Nessun Tag, puoi essere il primo ad aggiungerne!!
|
| _version_ | 1866909335182901248 |
|---|---|
| author | Levochkina, A. Yu. Ahmad, H. G. Mastrovito, P. Chatterjee, I. Serpico, G. Di Palma, L. Ferroiuolo, R. Satariano, R. Darvehi, P. Ranadive, A. Cappelli, G. Gal, G. Le Planat, L. Montemurro, D. Massarotti, D. Tafuri, F. Roch, N. Pepe, G. P. Esposito, M. |
| author_facet | Levochkina, A. Yu. Ahmad, H. G. Mastrovito, P. Chatterjee, I. Serpico, G. Di Palma, L. Ferroiuolo, R. Satariano, R. Darvehi, P. Ranadive, A. Cappelli, G. Gal, G. Le Planat, L. Montemurro, D. Massarotti, D. Tafuri, F. Roch, N. Pepe, G. P. Esposito, M. |
| contents | Traveling Wave Parametric Amplifiers (TWPAs) are extensively employed in experiments involving weak microwave signals for their highly desirable quantum-limited and broadband characteristics. However, TWPAs' broadband nature comes with the disadvantage of admitting the activation of spurious nonlinear processes, such as harmonics generation, that can potentially degrade amplification performance. Here we experimentally investigate a Josephson TWPA device with SNAIL (Superconducting Nonlinear Asymmetric Inductive Element)-based unit cells focusing on the amplification behaviour along with the generation of second and third harmonics of the pump. By comparing experimental results with transient numerical simulations, we demonstrate the influence of Josephson junctions' fabrication imperfections on the occurrence of harmonics and on the gain behaviour. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_20096 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Investigating pump harmonics generation in a SNAIL-based Traveling Wave Parametric Amplifier Levochkina, A. Yu. Ahmad, H. G. Mastrovito, P. Chatterjee, I. Serpico, G. Di Palma, L. Ferroiuolo, R. Satariano, R. Darvehi, P. Ranadive, A. Cappelli, G. Gal, G. Le Planat, L. Montemurro, D. Massarotti, D. Tafuri, F. Roch, N. Pepe, G. P. Esposito, M. Quantum Physics Traveling Wave Parametric Amplifiers (TWPAs) are extensively employed in experiments involving weak microwave signals for their highly desirable quantum-limited and broadband characteristics. However, TWPAs' broadband nature comes with the disadvantage of admitting the activation of spurious nonlinear processes, such as harmonics generation, that can potentially degrade amplification performance. Here we experimentally investigate a Josephson TWPA device with SNAIL (Superconducting Nonlinear Asymmetric Inductive Element)-based unit cells focusing on the amplification behaviour along with the generation of second and third harmonics of the pump. By comparing experimental results with transient numerical simulations, we demonstrate the influence of Josephson junctions' fabrication imperfections on the occurrence of harmonics and on the gain behaviour. |
| title | Investigating pump harmonics generation in a SNAIL-based Traveling Wave Parametric Amplifier |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2405.20096 |