Publications

Interferometric Purcell Suppression of Spontaneous Emission in a Superconducting Qubit
In superconducting qubits, suppression of spontaneous emission is essential to achieve fast dispersive measurement and reset without …
Alec Yen, Yufeng Ye, Kaidong Peng, Jennifer Wang, Gregory Cunningham, Michael Gingras, Bethany M. Niedzielski, Hannah Stickler, Kyle Serniak, Mollie E. Schwartz, Kevin P. O'Brien
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Interferometric Purcell Suppression of Spontaneous Emission in a Superconducting Qubit
Ultrafast Superconducting Qubit Readout with the Quarton Coupler
Fast, high-fidelity, and quantum nondemolition (QND) qubit readout is an essential element of quantum information processing. For …
Yufeng Ye, Jeremy B. Kline, Sean Chen, Alec Yen, Kevin P. O'Brien
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Ultrafast Superconducting Qubit Readout with the Quarton Coupler
Directional Emission of a Readout Resonator for Qubit Measurement
We propose and demonstrate transmission-based dispersive readout of a superconducting qubit using an all-pass resonator, which …
Alec Yen, Yufeng Ye, Kaidong Peng, Jennifer Wang, Gregory Cunningham, Michael Gingras, Bethany M. Niedzielski, Hannah Stickler, Kyle Serniak, Mollie E. Schwartz, Kevin P. O'Brien
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Directional Emission of a Readout Resonator for Qubit Measurement
Near-ultrastrong nonlinear light-matter coupling in superconducting circuits
Yufeng Ye, Jeremy B. Kline, Alec Yen, Gregory Cunningham, Max Tan, Alicia Zang, Michael Gingras, Bethany M. Niedzielski, Hannah Stickler, Kyle Serniak, Mollie E. Schwartz, Kevin P. O'Brien
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Near-ultrastrong nonlinear light-matter coupling in superconducting circuits
High-Efficiency, Low-Loss Floquet-mode Traveling Wave Parametric Amplifier
Advancing error-corrected quantum computing and fundamental science necessitates quantum-limited amplifiers with near-ideal quantum …
Jennifer Wang, Kaidong Peng, Gregory D. Cunningham, Andres Lombo, Alec Yen, Daniela Zaidenberg, William D. Oliver, Kevin P. O'Brien
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Integrable timing on silicon wafer supporting CubeSats-based communications, navigation and radio science
The paper presents the effort of embedding precision timing into silicon integrated chip platforms in the context of CubeSats-based …
Alec Yen, Mina Kim, Ruonan Han, Hamid H. Javadi, Lin Yi
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Integrable timing on silicon wafer supporting CubeSats-based communications, navigation and radio science
Sub-terahertz heterodyne spectroscopy of carbonyl sulfide
We showed the preliminary results of traditional frequency modulated heterodyne spectroscopy and the phase modulated heterodyne …
Lin Yi, Hamid Javadi, Wei Zhang, James Mckelvy, Mina Kim, Alec Yen, Ruonan Han
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A sub-threshold low-power integrated bandpass filter for highly-integrated spectrum analyzers
Low-power analog filter banks provide frequency analysis with minimal power and space requirements, making them viable solutions for …
Gavin B. Long, M. Nance Ericson, Charles L. Britton, Benjamin D. Roehrs, Ethan D. Farquhar, S. Shane Frank, Alec Yen, Benjamin J. Blalock
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A sub-threshold low-power integrated bandpass filter for highly-integrated spectrum analyzers
A high slew rate, low power, compact operational amplifier based on the super-class AB recycling folded cascode
This work demonstrates the first application of the super class-AB recycling folded cascode in an op-amp. Usage of adaptive biasing and …
Alec Yen, Benjamin J. Blalock
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A high slew rate, low power, compact operational amplifier based on the super-class AB recycling folded cascode
Through the windshield driver recognition
Biometric recognition of vehicle occupants in unconstrained environments is rife with a host of challenges. In particular, the …
David Cornett, Alec Yen, Grace Nayola, Diane Montez, Christi R. Johnson, Seth T. Baird, Hector Santos-Villalobos, David S. Bolme
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Through the windshield driver recognition
CXSparse-based differential algebraic equation framework for power system simulation
Simulation is the major approach in power system studies for prototyping new devices, evaluating new scenarios, and implementing new …
Alec Yen, Hantao Cui, Kevin Tomsovic
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