Amplification and squeezing of quantum noise with a tunable Josephson metamaterial MA Castellanos-Beltran, KD Irwin, GC Hilton, LR Vale, KW Lehnert
Nature Physics 4 (12), 929-931, 2008
789 2008 Nanomechanical motion measured with an imprecision below that at the standard quantum limit JD Teufel, T Donner, MA Castellanos-Beltran, JW Harlow, KW Lehnert
Nature nanotechnology 4 (12), 820-823, 2009
620 2009 Widely tunable parametric amplifier based on a superconducting quantum interference device array resonator MA Castellanos-Beltran, KW Lehnert
Applied Physics Letters 91 (8), 2007
470 2007 Quantum state tomography of an itinerant squeezed microwave field F Mallet, MA Castellanos-Beltran, HS Ku, S Glancy, E Knill, KD Irwin, ...
Physical Review Letters 106 (22), 220502, 2011
235 2011 Tunable Resonant and Nonresonant Interactions between a Phase Qubit and MS Allman, JD Whittaker, M Castellanos-Beltran, K Cicak, F da Silva, ...
Physical review letters 112 (12), 123601, 2014
79 2014 Superconducting optoelectronic loop neurons JM Shainline, SM Buckley, AN McCaughan, JT Chiles, A Jafari Salim, ...
Journal of Applied Physics 126 (4), 2019
67 2019 Coherent-state storage and retrieval between superconducting cavities using parametric frequency conversion AJ Sirois, MA Castellanos-Beltran, MP DeFeo, L Ranzani, F Lecocq, ...
Applied Physics Letters 106 (17), 2015
54 2015 Development of a Josephson parametric amplifier for the preparation and detection of nonclassical states of microwave fields MAC Beltran
University of Colorado at Boulder, 2010
47 2010 Measurement of the full distribution of persistent current in normal-metal rings MA Castellanos-Beltran, DQ Ngo, WE Shanks, AB Jayich, JGE Harris
Physical review letters 110 (15), 156801, 2013
40 2013 Bandwidth and dynamic range of a widely tunable Josephson parametric amplifier MA Castellanos-Beltran, KD Irwin, LR Vale, GC Hilton, KW Lehnert
IEEE Transactions on Applied Superconductivity 19 (3), 944-947, 2009
40 2009 Digital control of a superconducting qubit using a Josephson pulse generator at 3 K L Howe, MA Castellanos-Beltran, AJ Sirois, D Olaya, J Biesecker, ...
PRX quantum 3 (1), 010350, 2022
35 2022 Synaptic weighting in single flux quantum neuromorphic computing ML Schneider, CA Donnelly, IW Haygood, A Wynn, SE Russek, ...
Scientific Reports 10 (1), 934, 2020
35 2020 Strongly quadrature-dependent noise in superconducting microresonators measured at the vacuum-noise limit J Gao, LR Vale, JAB Mates, DR Schmidt, GC Hilton, KD Irwin, F Mallet, ...
Applied Physics Letters 98 (23), 2011
33 2011 Planarized Process for Single-Flux-Quantum Circuits With Self-Shunted Nb/Nb D Olaya, M Castellanos-Beltran, J Pulecio, J Biesecker, S Khadem, ...
IEEE Transactions on Applied Superconductivity 29 (6), 1-8, 2019
27 2019 Josephson microwave sources applied to quantum information systems AJ Sirois, M Castellanos-Beltran, AE Fox, SP Benz, PF Hopkins
IEEE Transactions on Quantum Engineering 1, 1-7, 2020
24 2020 Wideband isolation by frequency conversion in a Josephson-junction transmission line L Ranzani, S Kotler, AJ Sirois, MP DeFeo, M Castellanos-Beltran, K Cicak, ...
Physical Review Applied 8 (5), 054035, 2017
23 2017 Evaluation of a microwave SQUID multiplexer prototype KW Lehnert, KD Irwin, MA Castellanos-Beltran, JAB Mates, LR Vale
IEEE transactions on applied superconductivity 17 (2), 705-709, 2007
23 2007 RF waveform synthesizers with quantum-based voltage accuracy for communications metrology PF Hopkins, JA Brevik, M Castellanos-Beltran, CA Donnelly, ...
IEEE Transactions on Applied Superconductivity 29 (5), 1-5, 2019
22 2019 Stacked Josephson junctions as inductors for single flux quantum circuits MA Castellanos-Beltran, DI Olaya, AJ Sirois, PD Dresselhaus, SP Benz, ...
IEEE Transactions on Applied Superconductivity 29 (5), 1-5, 2019
18 2019 Single-flux-quantum multiplier circuits for synthesizing gigahertz waveforms with quantum-based accuracy MA Castellanos-Beltran, DI Olaya, AJ Sirois, CA Donnelly, ...
IEEE Transactions on Applied Superconductivity 31 (3), 1-9, 2021
16 2021 
