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Journal Articles

Broadband merged-element Josephson parametric amplifier

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Yuting Sun, Xianke Li, Qingyu Wang, Tairong Bai, Xudong Liao, Dong Lan, Jie Zhao, Yang Yu
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 244005 (2025)
https://doi.org/10.1063/5.0259358
Published: June 2025
View article titled, Broadband merged-element Josephson parametric amplifier
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Journal Articles

Impedance matched Josephson parametric amplifier with a multisection λ / 4 transmission line transformer

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Tianshi Zhou, Wenqu Xu, Quan Zuo, Jiazheng Pan, Zishuo Li, Kaixuan Zhang, Tingting Guo, Yifan Sheng, Lingxiao Jing, Huashi Ma, Mingyuan Yu, Shunhong Zhou, Binglin Li, Shiyao Yang, Yongyang Yu, Jiyuan Zhu, Junzhou Zhang, Jinpeng Li, Chunhai Cao, Guozhu Sun, Peiheng Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 104002 (2025)
https://doi.org/10.1063/5.0250918
Published: March 2025
View article titled, Impedance matched Josephson parametric amplifier with a multisection λ / 4 transmission line transformer
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Journal Articles

Influence of bias-voltage noise on the inelastic cooper-pair tunneling amplifier (ICTA)

Editor’s PickOpen Access
U. Martel, R. Albert, F. Blanchet, J. Griesmar, G. Ouellet, H. Therrien, N. Nehra, N. Bourlet, A. Peugeot, M. Hofheinz
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 074001 (2025)
https://doi.org/10.1063/5.0240842
Published: February 2025
View article titled, Influence of bias-voltage noise on the inelastic cooper-pair tunneling amplifier (ICTA)
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Journal Articles

Kinetic inductance and non-linearity of MgB2 films at 4K

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J. Greenfield, C. Bell, F. Faramarzi, C. Kim, R. Basu Thakur, A. Wandui, C. Frez, P. Mauskopf, D. Cunnane
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 022602 (2025)
https://doi.org/10.1063/5.0245866
Published: January 2025
View article titled, Kinetic inductance and non-linearity of MgB2 films at 4K
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Journal Articles

Lumped-element SNAIL parametric amplifier with two-pole matching network

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D. Moskaleva, N. Smirnov, D. Moskalev, A. Ivanov, A. Matanin, D. Baklykov, M. Teleganov, V. Polozov, V. Echeistov, E. Malevannaya, I. Korobenko, A. Kuguk, G. Nikerov, J. Agafonova, I. Rodionov
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 164003 (2024)
https://doi.org/10.1063/5.0230973
Published: October 2024
View article titled, Lumped-element SNAIL parametric amplifier with two-pole matching network
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Journal Articles

Performance of antenna-based and Rydberg quantum RF sensors in the electrically small regime

Open Access
K. M. Backes, P. K. Elgee, K.-J. LeBlanc, C. T. Fancher, D. H. Meyer, P. D. Kunz, N. Malvania, K. L. Nicolich, J. C. Hill, B. L. Schmittberger Marlow, K. C. Cox
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 144002 (2024)
https://doi.org/10.1063/5.0222827
Published: September 2024
View article titled, Performance of antenna-based and Rydberg quantum RF sensors in the electrically small regime
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Journal Articles

In-operando microwave scattering-parameter calibrated measurement of a Josephson traveling wave parametric amplifier

Editor’s PickOpen Access
S.-H. Shin, M. Stanley, W. N. Wong, T. Sweetnam, A. Elarabi, T. Lindström, N. M. Ridler, S. E. de Graaf
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 104001 (2024)
https://doi.org/10.1063/5.0220776
Published: September 2024
View article titled, In-operando microwave scattering-parameter calibrated measurement of a Josephson traveling wave parametric amplifier
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Journal Articles

Effective and robust quantum state tomography of electron-nuclear spins in diamond by time-resolved fluorescence

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Rujian Zhang, Yuhang Ye, Fei Liu, Jianpei Geng, Baiqiang Zhu, Peng Qian, Bing Chen
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 074001 (2024)
https://doi.org/10.1063/5.0211842
Published: August 2024
View article titled, Effective and robust quantum state tomography of electron-nuclear spins in diamond by time-resolved fluorescence
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Journal Articles

Radiatively cooled quantum microwave amplifiers

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Mingrui Xu, Yufeng Wu, Wei Dai, Hong X. Tang
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 024001 (2024)
https://doi.org/10.1063/5.0206845
Published: July 2024
View article titled, Radiatively cooled quantum microwave amplifiers
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Journal Articles

Kerr nonlinearity and parametric amplification with an Al-InAs superconductor–semiconductor Josephson junction

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Z. Hao, T. Shaw, M. Hatefipour, W. M. Strickland, B. H. Elfeky, D. Langone, J. Shabani, S. Shankar
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 254003 (2024)
https://doi.org/10.1063/5.0205053
Published: June 2024
View article titled, Kerr nonlinearity and parametric amplification with an Al-InAs superconductor–semiconductor Josephson junction
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Journal Articles

Intrinsic Kerr amplification for microwave electromechanics

FeaturedOpen Access
Ermes Scarano, Elisabet K. Arvidsson, August K. Roos, Erik Holmgren, David B. Haviland
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 243503 (2024)
https://doi.org/10.1063/5.0201936
Published: June 2024
View article titled, Intrinsic Kerr amplification for microwave electromechanics
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Journal Articles

Non-Hermiticity in quantum nonlinear optics through symplectic transformations

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Ross Wakefield, Anthony Laing, Yogesh N. Joglekar
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 201103 (2024)
https://doi.org/10.1063/5.0206393
Published: May 2024
View article titled, Non-Hermiticity in quantum nonlinear optics through symplectic transformations
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Journal Articles

Atomic gravimeter robust to environmental effects

Editor’s PickAvailable to Purchase
Cristian D. Panda, Matt Tao, Miguel Ceja, Andrew Reynoso, Holger Müller
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 064001 (2023)
https://doi.org/10.1063/5.0163101
Published: August 2023
View article titled, Atomic gravimeter robust to environmental effects
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Journal Articles

Noise-specific beating in the higher-level Ramsey curves of a transmon qubit

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L. A. Martinez, Z. Peng, D. Appelö, D. M. Tennant, N. Anders Petersson, J. L DuBois, Y. J. Rosen
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 114002 (2023)
https://doi.org/10.1063/5.0138811
Published: March 2023
View article titled, Noise-specific beating in the higher-level Ramsey curves of a transmon qubit
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Includes: Supplementary data
Journal Articles

Three-wave mixing traveling-wave parametric amplifier with periodic variation of the circuit parameters

Editor’s PickOpen Access
Anita Fadavi Roudsari, Daryoush Shiri, Hampus Renberg Nilsson, Giovanna Tancredi, Amr Osman, Ida-Maria Svensson, Marina Kudra, Marcus Rommel, Jonas Bylander, Vitaly Shumeiko, Per Delsing
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 052601 (2023)
https://doi.org/10.1063/5.0127690
Published: January 2023
View article titled, Three-wave mixing traveling-wave parametric amplifier with periodic variation of the circuit parameters
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Journal Articles

Readout of a quantum processor with high dynamic range Josephson parametric amplifiers

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Theodore White, Alex Opremcak, George Sterling, Alexander Korotkov, Daniel Sank, Rajeev Acharya, Markus Ansmann, Frank Arute, Kunal Arya, Joseph C. Bardin, Andreas Bengtsson, Alexandre Bourassa, Jenna Bovaird, Leon Brill, Bob B. Buckley, David A. Buell, Tim Burger, Brian Burkett, Nicholas Bushnell, Zijun Chen, Ben Chiaro, Josh Cogan, Roberto Collins, Alexander L. Crook, Ben Curtin, Sean Demura, Andrew Dunsworth, Catherine Erickson, Reza Fatemi, Leslie Flores Burgos, Ebrahim Forati, Brooks Foxen, William Giang, Marissa Giustina, Alejandro Grajales Dau, Michael C. Hamilton, Sean D. Harrington, Jeremy Hilton, Markus Hoffmann, Sabrina Hong, Trent Huang, Ashley Huff, Justin Iveland, Evan Jeffrey, Mária Kieferová, Seon Kim, Paul V. Klimov, Fedor Kostritsa, John Mark Kreikebaum, David Landhuis, Pavel Laptev, Lily Laws, Kenny Lee, Brian J. Lester, Alexander Lill, Wayne Liu, Aditya Locharla, Erik Lucero, Trevor McCourt, Matt McEwen, Xiao Mi, Kevin C. Miao, Shirin Montazeri, Alexis Morvan, Matthew Neeley, Charles Neill, Ani Nersisyan, Jiun How Ng, Anthony Nguyen, Murray Nguyen, Rebecca Potter, Chris Quintana, Pedram Roushan, Kannan Sankaragomathi, Kevin J. Satzinger, Christopher Schuster, Michael J. Shearn, Aaron Shorter, Vladimir Shvarts, Jindra Skruzny, W. Clarke Smith, Marco Szalay, Alfredo Torres, Bryan W. K. Woo, Z. Jamie Yao, Ping Yeh, Juhwan Yoo, Grayson Young, Ningfeng Zhu, Nicholas Zobrist, Yu Chen, Anthony Megrant, Julian Kelly, Ofer Naaman
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 014001 (2023)
https://doi.org/10.1063/5.0127375
Published: January 2023
View article titled, Readout of a quantum processor with high dynamic range Josephson parametric amplifiers
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Includes: Supplementary data
Journal Articles

Broadband SNAIL parametric amplifier with microstrip impedance transformer

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D. Ezenkova, D. Moskalev, N. Smirnov, A. Ivanov, A. Matanin, V. Polozov, V. Echeistov, E. Malevannaya, A. Samoylov, E. Zikiy, I. Rodionov
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 232601 (2022)
https://doi.org/10.1063/5.0129862
Published: December 2022
View article titled, Broadband SNAIL parametric amplifier with microstrip impedance transformer
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Includes: Supplementary data
Journal Articles

Entanglement-enhanced optical atomic clocks

FeaturedOpen Access
Simone Colombo, Edwin Pedrozo-Peñafiel, Vladan Vuletić
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 210502 (2022)
https://doi.org/10.1063/5.0121372
Published: November 2022
View article titled, Entanglement-enhanced optical atomic clocks
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Journal Articles

Estimating the concentration of chiral media with bright squeezed light

Open Access
Alexandre Belsley, Jonathan C. F. Matthews
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 184001 (2022)
https://doi.org/10.1063/5.0122769
Published: November 2022
View article titled, Estimating the concentration of chiral media with bright squeezed light
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Includes: Supplementary data
Journal Articles

Transmission electron microscopy at the quantum limit

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Stewart A. Koppell, Yonatan Israel, Adam J. Bowman, Brannon B. Klopfer, M. A. Kasevich
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 190502 (2022)
https://doi.org/10.1063/5.0086148
Published: May 2022
View article titled, Transmission electron microscopy at the quantum limit
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