Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Lei, Chan U"'
Autor:
Krayzman, Lev, Lei, Chan U, Ganjam, Suhas, Teoh, James, Frunzio, Luigi, Schoelkopf, Robert J.
A promising way to store quantum information is by encoding it in the bosonic excitations of microwave resonators. This provides for long coherence times, low dephasing rates, as well as a hardware-efficient approach to quantum error correction. Ther
Externí odkaz:
http://arxiv.org/abs/2402.09504
Autor:
Ganjam, Suhas, Wang, Yanhao, Lu, Yao, Banerjee, Archan, Lei, Chan U, Krayzman, Lev, Kisslinger, Kim, Zhou, Chenyu, Li, Ruoshui, Jia, Yichen, Liu, Mingzhao, Frunzio, Luigi, Schoelkopf, Robert J.
The performance of superconducting quantum circuits for quantum computing has advanced tremendously in recent decades; however, a comprehensive understanding of relaxation mechanisms does not yet exist. In this work, we utilize a multimode approach t
Externí odkaz:
http://arxiv.org/abs/2308.15539
Autor:
Chou, Kevin S., Shemma, Tali, McCarrick, Heather, Chien, Tzu-Chiao, Teoh, James D., Winkel, Patrick, Anderson, Amos, Chen, Jonathan, Curtis, Jacob, de Graaf, Stijn J., Garmon, John W. O., Gudlewski, Benjamin, Kalfus, William D., Keen, Trevor, Khedkar, Nishaad, Lei, Chan U, Liu, Gangqiang, Lu, Pinlei, Lu, Yao, Maiti, Aniket, Mastalli-Kelly, Luke, Mehta, Nitish, Mundhada, Shantanu O., Narla, Anirudh, Noh, Taewan, Tsunoda, Takahiro, Xue, Sophia H., Yuan, Joseph O., Frunzio, Luigi, Aumentado, Jose, Puri, Shruti, Girvin, Steven M., Moseley, Jr., S. Harvey, Schoelkopf, Robert J.
A critical challenge in developing scalable error-corrected quantum systems is the accumulation of errors while performing operations and measurements. One promising approach is to design a system where errors can be detected and converted into erasu
Externí odkaz:
http://arxiv.org/abs/2307.03169
Autor:
Lei, Chan U, Ganjam, Suhas, Krayzman, Lev, Banerjee, Archan, Kisslinger, Kim, Hwang, Sooyeon, Frunzio, Luigi, Schoelkopf, Robert J.
Measuring the losses arising from different materials and interfaces is crucial to improving the coherence of superconducting quantum circuits. Although this has been of interest for a long time, current studies can either only provide bounds to thos
Externí odkaz:
http://arxiv.org/abs/2305.01872
Autor:
Jain, Vijay, Kurilovich, Vladislav D., Dahmani, Yanni D., Lei, Chan U, Mason, David, Yoon, Taekwan, Rakich, Peter T., Glazman, Leonid I., Schoelkopf, Robert J.
Acoustic spontaneous emission into bulk dielectrics can be a strong source of decoherence in quantum devices, especially when a qubit is in the presence of piezoelectric materials. We study the dynamics of a qubit coupled to an acoustic resonator by
Externí odkaz:
http://arxiv.org/abs/2211.07475
Autor:
Frattini, Nicholas E., Cortiñas, Rodrigo G., Venkatraman, Jayameenakshi, Xiao, Xu, Su, Qile, Lei, Chan U, Chapman, Benjamin J., Joshi, Vidul R., Girvin, S. M., Schoelkopf, Robert J., Puri, Shruti, Devoret, Michel H.
By applying a microwave drive to a specially designed Josephson circuit, we have realized an elementary quantum optics model, the squeezed Kerr oscillator. This model displays, as the squeezing amplitude is increased, a cross-over from a single groun
Externí odkaz:
http://arxiv.org/abs/2209.03934
Autor:
Read, Alexander P., Chapman, Benjamin J., Lei, Chan U, Curtis, Jacob C., Ganjam, Suhas, Krayzman, Lev, Frunzio, Luigi, Schoelkopf, Robert J.
Publikováno v:
Phys. Rev. Applied 19, 034064 (2023)
Dielectric loss is known to limit state-of-the-art superconducting qubit lifetimes. Recent experiments imply upper bounds on bulk dielectric loss tangents on the order of $100$ parts-per-billion, but because these inferences are drawn from fully fabr
Externí odkaz:
http://arxiv.org/abs/2206.14334
Publikováno v:
Appl. Phys. Lett. 116, 154002 (2020)
Low-loss cavities are important in building high-coherence superconducting quantum computers. Generating high quality joints between parts is crucial to the realization of a scalable quantum computer using the circuit quantum electrodynamics (cQED) f
Externí odkaz:
http://arxiv.org/abs/2001.09216
Akademický článek
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Autor:
Lei, Chan U
Generating nonclassical states of a macroscopic mechanical object has been a subject of considerable interest. It offers a route toward fundamental test of quantum mechanics in an unexplored regime. However, a macroscopic quantum state is very suscep
Externí odkaz:
https://thesis.library.caltech.edu/9943/1/thesis_CULei.pdf