Surface code decoder thesis

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August undefined, 2024

WebJan 21, 2024 · To compare the sweep decoder with previous work 48,49,50,51, we look at the 3D toric code on the cubic lattice, as decoding the 3D toric code on the rhombic dodecahedral lattice has not been ...

Linear-time maximum likelihood decoding of surface …

WebThe decoding of error syndromes of surface codes with classical algorithms may slow down quantum computation. To overcome this problem it is possible to implement decoding algorithms based on... WebThe type of error correcting code used is called surface code. A neural network-based decoder is developed and compared to a partial lookup table decoder and a graph algorithm-based decoder. The effects of increasing error correcting code size and increasing measurement errors on the error syndrome are analyzed for the decoders. assassino de kennedy

A fast fault-tolerant decoder for qubit and qudit surface codes

WebApr 17, 2024 · The surface (and toric codes,...) are CSS codes. You can view the codes defined by H X and H Z as classical LDPC codes; so any classical LDPC decoder can be used. I tried this and in general the performance doesn't seem to be that good. – unknown Apr 17, 2024 at 16:51 No decoder works for arbitrary noise models. WebFeb 11, 2024 · When adopting a QEC scheme based on surface codes, error decoding is the most computationally expensive task in the classical electronic back-end. Decoders employing neural networks (NN) are... Webthesis is to identify, quantify and finally reduce the potential errors that these traditional approaches ... encoder, decoder, code converters, Multiplexer and Demultiplexer. CHAPTER 4: Describes with Latches, Flip-Flops, Registers and Counters CHAPTER 5: Concentrates on the Analysis as well as design ... Inelastic Ion-Surface Collisions is a ... assassino de john kennedy

A fault-tolerant non-Clifford gate for the surface code in two ...

Optimal Circuit-Level Decoding for Surface Codes

WebThis thesis provides an introduction to quantum error correction and the stabilizer formalism, which is used to introduce the toric code. Several decoders are looked at, … WebJun 17, 2024 · In this thesis, we inspect the surface code, a topological quantum error-correcting code. We analyze a decoder for the surface code dubbed the Union-Find … assassin odin ao3WebMar 13, 2024 · Note that successfully decoding the surface code under realistic noise assumptions will limit the size of the code to less than 100 qubits with current neural … assassino de vahala

"WebError threshold curves for various distance surface codes using MWPM and MLCLN decoders, with correlated 2-qubit errors onCNOT gates and depolarizing noise on single … " - Surface code decoder thesis

Surface code decoder thesis

Surface codes: Towards practical large-scale quantum …

WebIn this thesis, we are exploring novel ways to design decoders for QEC codes, focusing on the surface code. We began our investigation by implementing a rule-based decoder for … WebNov 9, 2024 · The surface code; The error model; The used decoder; For each core module, template classes are provided that should ease the development of new types of surface …

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WebJul 7, 2024 · The rectangular surface code is defined on the L_1 \times L_2 lattice with data qubits on edges and the stabilizers on vertexes and plaquettes. Figure 3 is an example of a 7\times 5 rectangular surface code. Similar to the square surface code (Fig. 1 ), the logical operator is a chain that connects the same boundaries. WebMar 13, 2024 · As can be seen from Figs. 11, 12, and 13, the distributed decoder can reach similar decoding performance to the compared decoders for d = 5, 7, and 9, respectively. In order to have a fair comparison between the two neural network–based decoders, we used the same dataset to train both decoders; therefore, the decoding performance should be …

WebMar 19, 2024 · A surface code contains the logical information of a qubit. The logical state can be modified with logical operators. An operator of this kind has to preserve all the eigenvalues of the stabilizers [].On each border of a surface code there are only X measurement qubits or Z measurement qubits, these borders are called X sides or Z sides … Webthesis, including any required ﬁnal revisions, as accepted by my examiners. I understand that my thesis may be made electronically available to the public. ii. ... planar variations of a surface code, and numerically calculate a threshold value of approximately 6.0×10−3, which is comparable to similar calculations done by others

WebDec 5, 2024 · In this class project, I investigated the procedure for decoding the 2D surface code using the minimum weight perfect matching (MWPM) strategy. Since implementing the classical Blossom... WebDefine surface code. surface code synonyms, surface code pronunciation, surface code translation, English dictionary definition of surface code. See: panel code. Dictionary of …

WebThesis type Doctor of Philosophy Author/s Tuckett, David Kingsley Abstract For quantum computers to reach their full potential will require error correction. We study the surface …

WebOur main analytical result is a structural theorem that revealsa hidden concatenated form of the surface code. We show that, in the limit of pure Y noise, the surface code can be viewed as a classical concatenated code with two concatenation levels. assassino de john lennonWeb史传论赞的文体类型与出现位置等都有其自身的发展规律,如偶尔为之到不规则使用、再到形成定式是其大致方向。通过梳理史传论赞的文体特征、功能及其弊端的流变过程,并将通俗小说篇尾诗的性质特征与之比较,发现通俗小说篇尾诗在其形态特征、功能作用,甚至弊端上都与 … assassin odyssey lösungWebNeural Network based Decoders for the Surface Code Varsamopoulos, Savvas DOI 10.4233/uuid:dc73e1ff-0496-459a-986f-de37f7f250c9 Publication date 2024 Document Version assassino de martin luther kingWebOct 21, 2024 · Errors in surface code have typically been decoded by Minimum Weight Perfect Matching (MWPM) based method. Recently, neural-network-based Machine Learning (ML) techniques have been employed for this purpose. lamelle ossee tessuto osseoWebNov 9, 2024 · A little while ago, I started my graduation project in the field of quantum error-correction. During this project, we have successfully developed a new type of decoder for the surface code, for which the publication is currently in pre-print. To fully understand the mechanics of the surface code decoders that eventually led to our decoder, I had built my … lamelleuse makita filaireWebMay 22, 2024 · We use the topological cluster state to realize the three-dimensional surface code. We define the surface code on a lattice with arbitrary geometry with one qubit on each edge (e).The model is specified by two types of stabilizers, star and plaquette operators, denoted as A v and B f.Stabilizers specify the code states of the model, ∣ψ〉, such that A v … lamelleuse makita 701wWebI successfully defended my doctoral thesis in December 2010. I was a Ph.D. student for NXP semiconductors and Lab-STICC research center. My subject was on an efficient implementation of LDPC decoders for the DVB-S2, -T2, -C2 standards. I work now as a research engineer at the laboratory Lab-STICC in Lorient. I work mainly on the efficient … assassin odyssey mod