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Akademický článek

Autor: Takashi Imoto, Yuya Seki, Yuichiro Matsuzaki, Shiro Kawabata

Publikováno v: New Journal of Physics, Vol 24, Iss 11, p 113009 (2022)

Quantum annealing (QA) is a promising method for solving combinational optimization problems and performing quantum chemical calculations. The main sources of errors in QA are the effects of decoherence and non-adiabatic transition. We propose a meth

Externí odkaz: https://doaj.org/article/b6eeac5f0a2a4d77a9e14c927beba550

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Towards optimization of photonic-crystal surface-emitting lasers via quantum annealing

Autor: Takuya Inoue, Yuya Seki, Shu Tanaka, Nozomu Togawa, Kenji Ishizaki, Susumu Noda

Publikováno v: Optics express. 30(24)

Photonic-crystal surface-emitting lasers (PCSELs), which utilize a two-dimensional (2D) optical resonance inside a photonic crystal for lasing, feature various outstanding functionalities such as single-mode high-power operation and arbitrary control

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c0ca4a62df47c07d246b28ed14c73a1
https://pubmed.ncbi.nlm.nih.gov/36523046

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Preparing ground states of the XXZ model using the quantum annealing with inductively coupled superconducting flux qubits

Autor: Takashi Imoto, Yuya Seki, Yuichiro Matsuzaki

Preparing ground states of Hamiltonians is important in the condensed matter physics and the quantum chemistry. The interaction Hamiltonians typically contain not only diagonal but also off-diagonal elements. Although quantum annealing provides a way

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03afe5a5196515ae5b87562944043703
http://arxiv.org/abs/2112.12419

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Core and spectrum allocation to achieve graceful degradation of inter-core crosstalk with generalized hierarchical core prioritization on space-division multiplexing elastic optical networks

Autor: Yuya Seki, Yosuke Tanigawa, Yusuke Hirota, Hideki Tode

Publikováno v: Journal of Optical Communications and Networking. 15:43

Space-division multiplexing elastic optical networks (SDM-EONs) with multi-core fibers (MCFs) are expected to meet the exponentially increasing demand for traffic. However, it is inevitable that inter-core crosstalk (IC-XT) will hinder efforts to inc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10aa495135db286b7d5c8bbe7a52c8a6
https://doi.org/10.1364/jocn.472418

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Spectrum Allocation Exploiting Different Core Selection Patterns for Graceful Degradation of Inter-Core Crosstalk in Space-Division Multiplexing Elastic Optical Networks

Autor: Yuya Seki, Yosuke Tanigawa, Yusuke Hirota, Hideki Tode

Publikováno v: Photonics in Switching and Computing 2021.

We propose a spectrum allocation for graceful degradation of inter- core crosstalk in space-division multiplexed elastic optical networks, which utilizes pre-calculated thresholds based on coupled power theory with multiple core selection patterns.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f4cdb61b0654a1c820e7a8ee80399709
https://doi.org/10.1364/psc.2021.m3c.4

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