Publications

Novel superconducting circuits

Parametrically-controlled microwave-photonic interface for the fluxonium

Ke Nie, Aayam Bista, Kaicheung Chow, Wolfgang Pfaff, Angela Kou

Phys. Rev. Applied 22, 054021 (2024)

arxiv:2404.11847

The Floquet Fluxonium Molecule: Driving Down Dephasing in Coupled Superconducting Qubits

Matthew Thibodeau, Angela Kou, Bryan K. Clark

PRX Quantum 5, 040314 (2024)

arxiv:2401.08762

Superconducting circuit protected by two-Cooper-pair tunneling

W. C. Smith, A. Kou, X. Xiao, U. Vool, M. H. Devoret

npj Quantum Information 6, 8 (2020)

arxiv:1905.01206

Gated conditional displacement readout of superconducting qubits

S. Touzard, A. Kou, N.E. Frattini, V.V. Sivak, S. Puri, A. Grimm, L. Frunzio, S. Shankar, M.H. Devoret

Phys. Rev. Lett. 122, 080502 (2019)

arxiv:1809.06964

Driving forbidden transitions in the fluxonium artificial atom

U. Vool, A. Kou, W. C. Smith, N. E. Frattini, K. Serniak, P. Reinhold, I. M. Pop, S. Shankar, L. Frunzio, S. M. Girvin, M. H. Devoret

Phys. Rev. Applied 9, 054046 (2018)

arxiv:1711.07508

Simultaneous monitoring of fluxonium qubits in a waveguide

A. Kou, W. C. Smith, U. Vool, I. M. Pop, K. M. Sliwa, M. Hatridge, L. Frunzio, M. H. Devoret

Phys. Rev. Applied 9, 064022 (2018)

arxiv:1705.05712

A fluxonium-based artificial molecule with a tunable magnetic moment

A. Kou, W. C. Smith, U. Vool, R. T. Brierley, H. Meier, L. Frunzio, S. M. Girvin, L. I. Glazman, M. H. Devoret

Phys. Rev. X 7, 031037 (2017)

arxiv:1610.01094

Quantization of inductively-shunted superconducting circuits

W. C. Smith, A. Kou, U. Vool, I. M. Pop, L. Frunzio, R. J. Schoelkopf, M. H. Devoret

Phys. Rev. B 94, 144507 (2016)

arxiv:1602.01793

Signatures of quantum phase transitions in the dynamic response of fluxonium qubit chains

Hendrik Meier, R. T. Brierley, Angela Kou, S. M. Girvin, Leonid I. Glazman

Phys. Rev. B 92, 064516 (2015)

arxiv:1507.06320

Confining the state of light to a quantum manifold by engineered two-photon loss

Zaki Leghtas, Steven Touzard, Ioan M. Pop, Angela Kou, Brian Vlastakis, Andrei Petrenko, Katrina M. Sliwa, Anirudh Narla, Shyam Shankar, Michael J. Hatridge, Matthew Reagor, Luigi Frunzio, Robert J. Schoelkopf, Mazyar Mirrahimi, Michel H. Devoret

Science 347, 853 (2015)

arxiv:1412.4633

Hybrid superconducting circuits

Direct manipulation of a superconducting spin qubit strongly coupled to a transmon qubit

Marta Pita-Vidal, Arno Bargerbos, Rok Žitko, Lukas J. Splitthoff, Lukas Grünhaupt, Jaap J. Wesdorp, Yu Liu, Leo P. Kouwenhoven, Ramón Aguado, Bernard van Heck, Angela Kou, Christian Kraglund Andersen

Nature Physics 19, 1110 (2023)

arxiv:2208.10094

Spectroscopy of spin-split Andreev levels in a quantum dot with superconducting leads

Arno Bargerbos, Marta Pita-Vidal, Rok Žitko, Lukas J. Splitthoff, Lukas Grünhaupt, Jaap J. Wesdorp, Yu Liu, Leo P. Kouwenhoven, Ramón Aguado, Christian Kraglund Andersen, Angela Kou, Bernard van Heck

Phys. Rev. Lett. 131, 097001 (2023)

arxiv:2208.09314

Singlet-doublet transitions of a quantum dot Josephson junction detected in a transmon circuit

Arno Bargerbos, Marta Pita-Vidal, Rok Žitko, Jesús Ávila, Lukas J. Splitthoff, Lukas Grünhaupt, Jaap J. Wesdorp, Christian K. Andersen, Yu Liu, Leo P. Kouwenhoven, Ramón Aguado, Angela Kou, Bernard van Heck

PRX Quantum 3, 030311 (2022)

arxiv:2202.12754

Gate-tunable kinetic inductance in proximitized nanowires

Lukas Johannes Splitthoff, Arno Bargerbos, Lukas Grünhaupt, Marta Pita-Vidal, Jaap Joachim Wesdorp, Yu Liu, Angela Kou, Christian Kraglund Andersen, Bernard van Heck

Phys. Rev. Applied 18, 024074 (2022)

arxiv:2202.08729

A gate-tunable, field-compatible fluxonium

Marta Pita-Vidal, Arno Bargerbos, Chung-Kai Yang, David J. van Woerkom, Wolfgang Pfaff, Nadia Haider, Peter Krogstrup, Leo P. Kouwenhoven, Gijs de Lange, Angela Kou

Phys. Rev. Applied 14, 064038 (2020)

Editor’s suggestion

arxiv:1910.07978

Observation of Vanishing Charge Dispersion of a Nearly Open Superconducting Island

Arno Bargerbos, Willemijn Uilhoorn, Chung-Kai Yang, Peter Krogstrup, Leo P. Kouwenhoven, Gijs de Lange, Bernard van Heck, and Angela Kou

Phys. Rev. Lett. 124, 246802 (2020)

arxiv:1911.10010

Quasiparticle trapping by orbital effect in a hybrid superconducting-semiconductingcircuit

W. Uilhoorn, J. G. Kroll, A. Bargerbos, S. D. Nabi, C. K. Yang, P. Krogstrup, L. P. Kouwenhoven, A. Kou, and G. de Lange

arxiv:2105.11038

Topological materials

Signatures of Parafermion Zero Modes in Fractional Quantum Hall-Superconductor Heterostructures

Junyi Cao, Angela Kou, Eduardo Fradkin

Phys. Rev. B 109, L161106 (2024)

arxiv:2309.14411

Electron-Hole Asymmetric Integer and Fractional Quantum Hall Effect in Bilayer Graphene

Angela Kou, Benjamin E. Feldman, Andrei J. Levin, Bertrand I. Halperin, Kenji Watanabe, Takashi Taniguchi, Amir Yacoby

Science 345, 55 (2014)

Featured on cover of July 4, 2014 issue

arxiv:1312.7033

Coulomb Oscillations in Antidots in the Integer and Fractional Quantum Hall Regimes

A. Kou, C. M. Marcus, L. N. Pfeiffer, K. W. West

Phys. Rev. Lett. 108, 256803 (2012)

arxiv:1201.1600

Dynamic Nuclear Polarization in the Fractional Quantum Hall Regime

A. Kou, D. T. McClure, C. M. Marcus, L. N. Pfeiffer, K. W. West

Phys. Rev. Lett. 105, 056804 (2010)

arxiv:1004.4435

Other

 

Characterization of Two Fast‑Turnaround Dry Dilution Refrigerators for Scanning Probe Microscopy

Mark E. Barber, Yifan Li, Jared Gibson, Jiachen Yu, Zhanzhi Jiang, Yuwen Hu, Zhurun Ji, Nabhanila Nandi, Jesse C. Hoke, Logan Bishop-Van Horn, Gilbert R. Arias, Dale J. van Harlingen, Kathryn A. Moler, Zhi Xun Shen, Angela Kou, Benjamin E. Feldman

Journal of Low Temperature Physics 215, 1 (2024)

Controlling the exchange bias field in Co core/CoO shell nanoparticles

Mikhail Feygenson, Yuen Yiu, Angela Kou, Ki-Sub Kim, and Meigan C. Aronson

Phys. Rev. B 81, 195445 (2010)

Properties of highly crystalline NiO and Ni nanoparticles prepared by high-temperature oxidation and reduction

Mikhail Feygenson, Angela Kou, Lauren E. Kreno, Amanda L. Tiano, Jonathan M. Patete, Fen Zhang, Moo Sung Kim, Vyacheslav Solovyov, Stanislaus S. Wong, and Meigan C. Aronson

Phys. Rev. B 81, 014420 (2010)

Oxide heterogrowth on ion-exfoliated thin-film complex oxide substrates

Tsung-Liang Chen, Angela Kou, Avishai Ofan, Ophir Gaathon, R. M. Osgood, Jr., Oleg Gang, Lakshmanan Vanamurthy, Sasha Bakhruc, Hassaram Bakhruc

Thin Solid Films 518, 269 (2009)

Chemisorption of tert-butanol on Si(100)

T.L. Chen, M. B. Yilmaz, D. Potapenko, A. Kou, N. Stojilovic, R. M. Osgood, Jr.

Surface Science 602, 3432 (2008)