Search Results - "Izumi, Shuro"

Distributed quantum sensing in a continuous-variable entangled network by Guo, Xueshi, Breum, Casper R., Borregaard, Johannes, Izumi, Shuro, Larsen, Mikkel V., Gehring, Tobias, Christandl, Matthias, Neergaard-Nielsen, Jonas S., Andersen, Ulrik L.

“…Networking is integral to quantum communications 1 and has significant potential for upscaling quantum computer technologies 2 . Recently, it was realized that…”
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Projective measurement onto arbitrary superposition of weak coherent state bases by Izumi, Shuro, Takeoka, Masahiro, Wakui, Kentaro, Fujiwara, Mikio, Ema, Kazuhiro, Sasaki, Masahide

“…One of the peculiar features in quantum mechanics is that a superposition of macroscopically distinct states can exist. In optical system, this is highlighted…”
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Adaptive Generalized Measurement for Unambiguous State Discrimination of Quaternary Phase-Shift-Keying Coherent States by Izumi, Shuro, Neergaard-Nielsen, Jonas S., Andersen, Ulrik L.

“…Generalized quantum measurements identifying nonorthogonal states without ambiguity often play an indispensable role in various quantum applications. For such…”
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Quantum Receiver for Phase-Shift Keying at the Single-Photon Level by Sidhu, Jasminder S., Izumi, Shuro, Neergaard-Nielsen, Jonas S., Lupo, Cosmo, Andersen, Ulrik L.

“…Quantum enhanced receivers are endowed with resources to achieve higher sensitivities than conventional technologies. For application in optical…”
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Ultrabroadband direct detection of nonclassical photon statistics at telecom wavelength by Wakui, Kentaro, Eto, Yujiro, Benichi, Hugo, Izumi, Shuro, Yanagida, Tetsufumi, Ema, Kazuhiro, Numata, Takayuki, Fukuda, Daiji, Takeoka, Masahiro, Sasaki, Masahide

“…Broadband light sources play essential roles in diverse fields, such as high-capacity optical communications, optical coherence tomography, optical…”
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Measurement Device Independent Entanglement Witness of Continuous Variable States by Larsen, Benjamin L., Izumi, Shuro, Neergaard-Nielsen, Jonas S., Andersen, Ulrik L.

“…We experimentally demonstrated a protocol for measurement device independent entanglement witness (MDI-EW) presented in [1]. A measurement device independent…”
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Adaptive generalized measurement for unambiguous state discrimination of quaternary phase-shift-keying coherent states by Izumi, Shuro, Neergaard-Nielsen, Jonas S, Andersen, Ulrik L

“…PRX Quantum 2, 020305 (2021) Generalized quantum measurements identifying non-orthogonal states without ambiguity often play an indispensable role in various…”
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Quantum receiver for phase-shift keying at the single photon level by Sidhu, Jasminder S, Izumi, Shuro, Neergaard-Nielsen, Jonas S, Lupo, Cosmo, Andersen, Ulrik L

“…PRX Quantum 2, 010332 (2021) Quantum enhanced receivers are endowed with resources to achieve higher sensitivities than conventional technologies. For…”
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Tomography of a Feedback Measurement with Photon Detection by Izumi, Shuro, Neergaard-Nielsen, Jonas S, Andersen, Ulrik L

“…Quantum measurement is essential to both the foundations and practical applications of quantum information science. Among many possible models of quantum…”
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Experimental demonstration of a quantum receiver beating the standard quantum limit at the telecom wavelength by Izumi, Shuro, Neergaard-Nielsen, Jonas S, Miki, Shigehito, Terai, Hirotaka, Andersen, Ulrik L

“…Phys. Rev. Applied 13, 054015 (2020) Discrimination of coherent states beyond the standard quantum limit (SQL) is an important tasknot only for quantum…”
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Tomography of a Feedback Measurement with Photon Detection by Izumi, Shuro, Neergaard-Nielsen, Jonas S, Andersen, Ulrik L

“…Phys. Rev. Lett. 124, 070502 (2020) Quantum measurement is essential to both the foundations and practical applications of quantum information science. Among…”
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Limit of Gaussian operations and measurements for Gaussian state discrimination, and its application to state comparison by Roberson, David E, Izumi, Shuro, Roga, Wojciech, Neergaard-Nielsen, Jonas S, Takeoka, Masahiro, Andersen, Ulrik L

“…Phys. Rev. A 103, 022423 (2021) We determine the optimal method of discriminating and comparing quantum states from a certain class of multimode Gaussian…”
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Displacement receiver for phase-shift-keyed coherent states by Izumi, Shuro, Takeoka, Masahiro, Fujiwara, Mikio, Pozza, Nicola Dalla, Assalini, Antonio, Ema, Kazuhiro, Sasaki, Masahide

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Tomography of a displacement photon counter for discrimination of single-rail optical qubits by Izumi, Shuro, Neergaard-Nielsen, Jonas S, Andersen, Ulrik L

“…J. Phys. B: At. Mol. Opt. Phys. 51 085502 (2018) We investigate the performance of a Kennedy receiver, which is known as a beneficial tool in optical coherent…”
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Projective measurement onto arbitrary superposition of coherent state bases by Izumi, Shuro, Takeoka, Masahiro, Wakui, Kentaro, Fujiwara, Mikio, Ema, Kazuhiro, Sasaki, Masahide

“…Sci. Rep. 4, 2999 (2018) One of the peculiar features in quantum mechanics is that a superposition of macroscopically distinct states can exits. In optical…”
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Distributed quantum sensing in a continuous variable entangled network by Guo, Xueshi, Breum, Casper R, Borregaard, Johannes, Izumi, Shuro, Larsen, Mikkel V, Gehring, Tobias, Christandl, Matthias, Neergaard-Nielsen, Jonas S, Andersen, Ulrik L

“…Nature Physics 16, pages 281 (2020) Networking plays a ubiquitous role in quantum technology. It is an integral part of quantum communication and has…”
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Fundamental precision limit of a Mach-Zehnder interferometric sensor when one of the inputs is the vacuum by Takeoka, Masahiro, Seshadreesan, Kaushik P, You, Chenglong, Izumi, Shuro, Dowling, Jonathan P

“…Phys. Rev. A 96, 052118 (2017) In the lore of quantum metrology, one often hears (or reads) the following no-go theorem: If you put vacuum into one input port…”
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Optical phase estimation via coherent state and displaced photon counting by Izumi, Shuro, Takeoka, Masahiro, Wakui, Kentaro, Fujiwara, Mikio, Ema, Kazuhiro, Sasaki, Masahide

“…Phys. Rev. A 94, 033842 (2016) We consider the phase sensing via weak optical coherent state at quantum limit precision. A new detection scheme for the phase…”
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Quantum receivers with squeezing and photon-number-resolving detectors by Izumi, Shuro, Takeoka, Masahiro, Ema, Kazuhiro, Sasaki, Masahide

“…Phys. Rev. A 87, 042328 (2013) We propose quantum receivers with optical squeezing and photon-number-resolving detector (PNRD) for the near-optimal…”
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Efficient generation of twin photons at telecom wavelengths with 2.5 GHz repetition-rate-tunable comb laser by Jin, Rui-Bo, Shimizu, Ryosuke, Morohashi, Isao, Wakui, Kentaro, Takeoka, Masahiro, Izumi, Shuro, Sakamoto, Takahide, Fujiwara, Mikio, Yamashita, Taro, Miki, Shigehito, Terai, Hirotaka, Wang, Zhen, Sasaki, Masahide

“…Efficient generation and detection of indistinguishable twin photons are at the core of quantum information and communications technology (Q-ICT). These…”
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