Fast Bayesian tomography of a two-qubit gate set in silicon

Autor: Evans, T. J., Huang, W., Yoneda, J., Harper, R., Tanttu, T., Chan, K. W., Hudson, F. E., Itoh, K. M., Saraiva, A., Yang, C. H., Dzurak, A. S., Bartlett, S. D.

Publikováno v: Phys. Rev. Applied 17, 024068 (2022)

Benchmarking and characterising quantum states and logic gates is essential in the development of devices for quantum computing. We introduce a Bayesian approach to self-consistent process tomography, called fast Bayesian tomography (FBT), and experi

Externí odkaz: http://arxiv.org/abs/2107.14473

Probabilistic teleportation of a quantum dot spin qubit

Autor: Kojima, Y., Nakajima, T., Noiri, A., Yoneda, J., Otsuka, T., Takeda, K., Li, S., Bartlett, S. D., Ludwig, A., Wieck, A. D., Tarucha, S.

Publikováno v: npj Quantum Information 7, 68 (2021)

Electron spin s in semiconductor quantum dot s have been intensively studied for implementing quantum computation and high fidelity single and two qubit operation s have recently been achieved . Quantum teleportation is a three qubit protocol exploit

Externí odkaz: http://arxiv.org/abs/2011.04881

Full orbital solution for the binary system in the northern Galactic disc microlensing event Gaia16aye

Autor: Wyrzykowski, Łukasz, Mróz, P., Rybicki, K. A., Gromadzki, M., Kołaczkowski, Z., Zieliński, M., Zieliński, P., Britavskiy, N., Gomboc, A., Sokolovsky, K., Hodgkin, S. T., Abe, L., Aldi, G. F., AlMannaei, A., Altavilla, G., Qasim, A. Al, Anupama, G. C., Awiphan, S., Bachelet, E., Bakıs, V., Baker, S., Bartlett, S., Bendjoya, P., Benson, K., Bikmaev, I. F., Birenbaum, G., Blagorodnova, N., Blanco-Cuaresma, S., Boeva, S., Bonanos, A. Z., Bozza, V., Bramich, D. M., Bruni, I., Burenin, R. A., Burgaz, U., Butterley, T., Caines, H. E., Caton, D. B., Novati, S. Calchi, Carrasco, J. M., Cassan, A., Cepas, V., Cropper, M., Chruślińska, M., Clementini, G., Clerici, A., Conti, D., Conti, M., Cross, S., Cusano, F., Damljanovic, G., Dapergolas, A., D'Ago, G., de Bruijne, J. H. J., Dennefeld, M., Dhillon, V. S., Dominik, M., Dziedzic, J., Ereceantalya, O., Eselevich, M. V., Esenoglu, H., Eyer, L., Jaimes, R. Figuera, Fossey, S. J., Galeev, A. I., Grebenev, S. A., Gupta, A. C., Gutaev, A. G., Hallakoun, N., Hamanowicz, A., Han, C., Handzlik, B., Haislip, J. B., Hanlon, L., Hardy, L. K., Harrison, D. L., van Heerden, H. J., Hoette, V. L., Horne, K., Hudec, R., Hundertmark, M., Ihanec, N., Irtuganov, E. N., Itoh, R., Iwanek, P., Jovanovic, M. D., Janulis, R., Jelínek, M., Jensen, E., Kaczmarek, Z., Katz, D., Khamitov, I. M., Kilic, Y., Klencki, J., Kolb, U., Kopacki, G., Kouprianov, V. V., Kruszyńska, K., Kurowski, S., Latev, G., Lee, C-H., Leonini, S., Leto, G., Lewis, F., Li, Z., Liakos, A., Littlefair, S. P., Lu, J., Manser, C. J., Mao, S., Maoz, D., Martin-Carrillo, A., Marais, J. P., Maskoliūnas, M., Maund, J. R., Meintjes, P. J., Melnikov, S. S., Ment, K., Mikołajczyk, P., Morrell, M., Mowlavi, N., Moździerski, D., Murphy, D., Nazarov, S., Netzel, H., Nesci, R., Ngeow, C. -C., Norton, A. J., Ofek, E. O., Pakstienė, E., Palaversa, L., Pandey, A., Paraskeva, E., Pawlak, M., Penny, M. T., Penprase, B. E., Piascik, A., Prieto, J. L., Qvam, J. K. T., Ranc, C., Rebassa-Mansergas, A., Reichart, D. E., Reig, P., Rhodes, L., Rivet, J. -P., Rixon, G., Roberts, D., Rosi, P., Russell, D. M., Sanchez, R. Zanmar, Scarpetta, G., Seabroke, G., Shappee, B. J., Schmidt, R., Shvartzvald, Y., Sitek, M., Skowron, J., Śniegowska, M., Snodgrass, C., Soares, P. S., van Soelen, B., Spetsieri, Z. T., Stankeviciūtė, A., Steele, I. A., Street, R. A., Strobl, J., Strubble, E., Szegedi, H., Ramirez, L. M. Tinjaca, Tomasella, L., Tsapras, Y., Vernet, D., Villanueva Jr., S., Vince, O., Wambsganss, J., van der Westhuizen, I. P., Wiersema, K., Wium, D., Wilson, R. W., Yoldas, A., Zhuchkov, R. Ya., Zhukov, D. G., Zdanavicius, J., Zoła, S., Zubareva, A.

Publikováno v: A&A 633, A98 (2020)

Gaia16aye was a binary microlensing event discovered in the direction towards the northern Galactic disc and was one of the first microlensing events detected and alerted to by the Gaia space mission. Its light curve exhibited five distinct brighteni

Externí odkaz: http://arxiv.org/abs/1901.07281

Silicon qubit fidelities approaching incoherent noise limits via pulse engineering

Autor: Yang, C. H., Chan, K. W., Harper, R., Huang, W., Evans, T., Hwang, J. C. C., Hensen, B., Laucht, A., Tanttu, T., Hudson, F. E., Flammia, S. T., Itoh, K. M., Morello, A., Bartlett, S. D., Dzurak, A. S.

Publikováno v: Nature Electronics 2, 151-158 (2019)

The performance requirements for fault-tolerant quantum computing are very stringent. Qubits must be manipulated, coupled, and measured with error rates well below 1%. For semiconductor implementations, silicon quantum dot spin qubits have demonstrat

Externí odkaz: http://arxiv.org/abs/1807.09500

Coupling Two Spin Qubits with a High-Impedance Resonator

Autor: Harvey, S. P., Bøttcher, C. G. L., Orona, L. A., Bartlett, S. D., Doherty, A. C., Yacoby, A.

Publikováno v: Phys. Rev. B 97, 235409 (2018)

Fast, high-fidelity single and two-qubit gates are essential to building a viable quantum information processor, but achieving both in the same system has proved challenging for spin qubits. We propose and analyze an approach to perform a long-distan

Externí odkaz: http://arxiv.org/abs/1801.04858