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Two-bit quantum communication protocol
In quantum information theory, superdense coding (also referred to as dense coding) is a quantum communication protocol to communicate a number of classical
Superdense_coding
Quantum states of two qubits
Bell's states is useful in analysis of quantum communication, such as superdense coding and quantum teleportation. These mechanisms cannot transmit information
Bell_state
Computer hardware technology that uses quantum mechanics
light because the classical bits must travel through normal channels. Superdense coding is the complementary protocol: using one shared e-bit and sending
Quantum_computing
Basic unit of quantum information
However, a qubit can hold more information, e.g., up to two bits using superdense coding (see Holevo's theorem). A bit is always completely in either one of
Qubit
Information held in the state of a quantum system
information about its preparation. This is Holevo's theorem. However, in superdense coding a sender, by acting on one of two entangled qubits, can convey two
Quantum_information
American-Israeli research physicist (1942–2021)
quantum multiplexing (the earliest example of oblivious transfer) and superdense coding (the first and most basic example of entanglement-assisted communication)
Stephen_Wiesner
Process in quantum computing
classical counterpart, the classical error-correcting code. In classical coding theory, a code is commonly denoted by the notation [ n , k , d ] {\displaystyle
Quantum_error_correction
Description of physical properties at the atomic and subatomic scale
quantum communication protocols, such as quantum key distribution and superdense coding. Contrary to popular misconception, entanglement does not allow sending
Quantum_mechanics
Physical phenomenon
improvements on past calculations. Physics portal Science portal Superdense coding Quantum complex network Quantum mechanics Introduction to quantum
Quantum_teleportation
Laws of quantum information
bit), 1 ebit + 1 qubit ⩾ {\displaystyle \geqslant } 2 bits (i.e. superdense coding), 1 ebit + 2 bits ⩾ {\displaystyle \geqslant } 1 qubit (i.e. quantum
Bennett's_laws
Topological quantum error correcting code
The surface code is a topological quantum error correcting code, and an example of a stabilizer code, defined on a two-dimensional spin lattice. The first
Surface_code
Basic circuit in quantum computing
that only require the use of a handful of quantum logic gates are superdense coding, the quantum Byzantine agreement and the BB84 cipherkey exchange protocol
Quantum_logic_gate
Upper bound on the knowable information of a quantum state
the computation than is possible classically. Classical capacity Superdense coding Preskill, John (June 2016). "Chapter 10. Quantum Shannon Theory" (PDF)
Holevo's_theorem
Physics experiment
(2016). "Classical hypercorrelation and wave-optics analogy of quantum superdense coding". Scientific Reports. 5 18574. Bibcode:2015NatSR...518574L. doi:10
Double-slit_experiment
Quantum information paradigm
applications, such as quantum teleportation, quantum error correction, and superdense coding, rely on entanglement. However, entanglement is a fragile quantum
Quantum_illumination
Quantum error correction code
communication, a stabilizer code is a class of quantum codes for performing quantum error correction. The toric code, and surface codes more generally, are types
Stabilizer_code
Cryptography secured against quantum computers
Coding and Mathematics. Springer. doi:10.1007/978-1-4757-3585-7. ISBN 978-1-4757-3585-7. Wang, Yongge (2016). "Quantum resistant random linear code based
Post-quantum_cryptography
Quantum algorithm for integer factorization
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Shor's_algorithm
Physics phenomenon
be achieved. Among the best-known applications of entanglement are superdense coding and quantum teleportation. Most researchers believe that entanglement
Quantum_entanglement
Quantum search algorithm
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Grover's_algorithm
Encoding an n-bit string in m qubits
theorem Superdense coding Quantum finite automaton Bell's theorem Ambainis, A.; Nayak, A.; Ta-Shma, A.; Vazirani, U. (1999). "Dense quantum coding and a
Quantum_random_access_code
Israeli settlement in the West Bank
quantum multiplexing (the earliest example of oblivious transfer) and superdense coding Marc Zell (1953-), lawyer. "Regional Statistics". Israel Central Bureau
Tekoa_(Israeli_settlement)
Foundational object in quantum communication theory
allows one to transmit quantum information using a classical channel. Superdense coding achieves two bits per qubit. These results indicate the significant
Quantum_channel
Quantum logic gate
|\Phi ^{+}\rangle } Bell state; this forms part of the setup of the superdense coding, quantum teleportation, and entangled quantum cryptography algorithms
Controlled_NOT_gate
Theorem in physics
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Bell's_theorem
Method of inferring the results of a computation without running a quantum computer
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Counterfactual quantum computation
Counterfactual_quantum_computation
Secure communication method
from a coding theory point of view information reconciliation is essentially source coding with side information. In consequence any coding scheme that
Quantum_key_distribution
Code used in quantum error correction
In quantum computing, the Shor code or Shor nine qubit code is a foundational code in quantum error correction that protects quantum information against
Shor_code
Quantum error correcting code
The Gottesman–Kitaev–Preskill (GKP) code is a quantum error correcting code that encodes logical qubits into the continuous degrees of freedom of a quantum
Gottesman–Kitaev–Preskill code
Gottesman–Kitaev–Preskill_code
Description of a quantum-mechanical system
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Schrödinger_equation
Type of quantum computer
realization of non-abelian anyons on quantum processors, the first used a toric code with twist defects as a topological degeneracy (or topological defect) while
Topological_quantum_computer
Point defect in diamonds
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Nitrogen-vacancy_center
Quantum Mechanics in Neural Networks
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Quantum_neural_network
Theorem in quantum information science
that it is, by independently devising the first quantum error correcting codes, which circumvent the no-cloning theorem. Similarly, cloning would violate
No-cloning_theorem
Interdisciplinary theory behind quantum computing
entanglement, as seen from an information-theoretic point of view Quantum dense coding Quantum teleportation Entanglement-assisted classical capacity No-communication
Quantum_information_science
Planned quantum technology campus in Chicago
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Illinois Quantum and Microelectronics Park
Illinois_Quantum_and_Microelectronics_Park
Deterministic quantum algorithm
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Deutsch–Jozsa_algorithm
Type of quantum computer built out of Rydberg atoms
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Neutral_atom_quantum_computer
Open-source software development kit
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Qiskit
Quantum computing algorithm
repeat Apply the decoding operation of the five-qubit error correcting code and measure the syndrome. If the measured syndrome is | 0000 ⟩ {\displaystyle
Magic_state_distillation
Computational benchmark
theorem states that a noisy quantum computer can use quantum error-correcting codes to simulate a noiseless quantum computer, assuming the error introduced
Quantum_supremacy
Elementary particle with negative charge
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Electron
Unit of quantum information
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Qutrit
Quantum algorithm
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
BHT_algorithm
Austrian quantum physicist (born 1945)
GHZ experiment Quantum teleportation Quantum entanglement swapping Superdense coding Awards Pour le Mérite (2000) Klopsteg Memorial Award (2004) King Faisal
Anton_Zeilinger
Code for quantum correction
The Steane code is a tool in quantum error correction introduced by Andrew Steane in 1996. It is a CSS code (Calderbank-Shor-Steane), using the classical
Steane_code
Interdisciplinary research area
org. Retrieved 2025-08-06. LANL (26 August 2024). "LANL team cracks the code on the bane of quantum ML algorithms | LANL". Los Alamos National Laboratory
Quantum_machine_learning
Aspect of quantum information science
protocol Introductory article about the protocol: arXiv:1101.3954 Demonstration code of quantum energy teleportation using Qiskit is available in GitHub
Quantum_energy_teleportation
Cryptography based on quantum mechanical phenomena
York, introduced the concept of quantum conjugate coding. His seminal paper titled "Conjugate Coding" was rejected by the IEEE Information Theory Society
Quantum_cryptography
Christopher (2020). "Fault-Tolerant Operation of a Quantum Error-Correction Code". arXiv:2009.11482 [quant-ph]. "The Power of Co-Design, Hermanni Heimonen
List_of_quantum_processors
Quantum key distribution protocol - B92
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
B92_protocol
Protocol in quantum cryptography
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Decoy_state
Definition of quantum circuits
ISSN 1050-2947. S2CID 8391036. Gottesman, Daniel (1997-05-28). Stabilizer Codes and Quantum Error Correction (PhD thesis). Caltech. arXiv:quant-ph/9705052
Clifford_gate
Simulators of quantum mechanical systems
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Quantum_simulator
Computer programming for quantum computers
them across various quantum hardware and simulators without modifying the code. The SDK supports multiple quantum programming libraries, including Qiskit
Quantum_programming
Restricted model of non-universal quantum computation
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Boson_sampling
Computational complexity class of problems
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
BQP
Quantum computing applied to natural language processing
Ayala, "An Introduction to Quantum Natural Language Processing (QNLP)", Coded Leadership, CRC Press, pp. 1–23, retrieved 2022-11-11 Meichanetzidis, Konstantinos;
Quantum natural language processing
Quantum_natural_language_processing
Model of quantum computing
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Quantum_circuit
Superconducting qubit implementation
physical realizations of oscillator-based error correction codes. These codes are known as 'bosonic codes'. Transmons have been explored for use as d-dimensional
Transmon
Form of quantum computing
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Hamiltonian quantum computation
Hamiltonian_quantum_computation
Trapped-ion quantum gate
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Mølmer–Sørensen_gate
Class of quantum error correcting codes
linear codes with some special properties. Examples of CSS codes include the Shor code, Steane code, the toric code, and more general surface codes. Let
CSS_code
Theorem in quantum mechanics
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Gleason's_theorem
Proposed quantum computer implementation
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Trapped-ion_quantum_computer
Sub-field of quantum physics and optics
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Quantum_optics
American physicist, information theorist, and IBM Research fellow
worked for James Watson one year as a teaching assistant about the genetic code. For the next two years he continued this research under Aneesur Rahman at
Charles H. Bennett (physicist)
Charles_H._Bennett_(physicist)
Principle in quantum information theory
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
No-communication_theorem
Cloud quantum computing platform
the quantum circuit model of computation, typically through code written in Qiskit. This code can be compiled down to OpenQASM for execution on real quantum
IBM_Quantum_Platform
Quantum key distribution protocol
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
BB84
Structure that repeats in time; a novel type or phase of non-equilibrium matter
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Time_crystal
Quantum cryptographic method
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Six-state_protocol
Property of computational resources needed
gravity and holography. In holographic quantum error-correcting codes, stabilizer-code models reproduce some qualitative features of the Ryu–Takayanagi
Magic_(quantum_information)
Quantum physics-based metaheuristic for optimization problems
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Quantum_annealing
Decay of nuclear spin polarization in MRI and NMR
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Relaxation_(NMR)
Quantum mechanics idea
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Entanglement_swapping
Physical quantity carried in photons
(2008). "Beating the channel capacity limit for linear photonic superdense coding". Nature Physics. 4 (4): 282. arXiv:1009.5128. Bibcode:2008NatPh.
Angular_momentum_of_light
Optimization algorithms using quantum computing
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Quantum optimization algorithms
Quantum_optimization_algorithms
Algorithm to be run on quantum computers
September 2018 at the Wayback Machine. http://computetube.de/#quantum Pseudo Code Dalzell, Alexander M.; et al. (2025). Quantum Algorithms. arXiv:2310.03011
Quantum_algorithm
Paradigm of quantum computer
resources. Meanwhile, the KLM scheme is based on the fact that proper quantum coding can reduce the resources for obtaining accurately encoded qubits efficiently
Linear optical quantum computing
Linear_optical_quantum_computing
Means of studying the interaction of light and matter
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Circuit quantum electrodynamics
Circuit_quantum_electrodynamics
Quantum-informatics technique
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Quantum_state_discrimination
Process of "purifying" entangled quantum states
one-way stabilizer entanglement distillation protocol uses a stabilizer code for the distillation procedure. Suppose the stabilizer S {\displaystyle {\mathcal
Entanglement_distillation
Maximum rate of a quantum channel
capacity theorem is proved in two parts: the direct coding theorem and the converse theorem. The direct coding theorem demonstrates that the quantum mutual information
Entanglement-assisted classical capacity
Entanglement-assisted_classical_capacity
1, 1983). "Conjugate coding". ACM SIGACT News. 15 (1): 78–88. doi:10.1145/1008908.1008920. Wiesner, Stephen. "Conjugate Coding" (PDF). California Institute
Timeline of quantum computing and communication
Timeline_of_quantum_computing_and_communication
Networks connecting quantum processors
must be introduced such as the Shor code or one of a number of more general and efficient codes. All of these codes work by distributing the quantum information
Quantum_network
Programming language for quantum algorithms
their tests. Microsoft has also hosted a Quantum Coding contest on Codeforces, called Microsoft Q# Coding Contest - Codeforces, and also provided related
Q_Sharp
Model of quantum computation
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Quantum_Turing_machine
Type of error correction in quantum computing
five-qubit error correcting code, [[5,1,3]] code, or Laflamme–Miquel–Paz–Zurek code is the smallest quantum error correcting code that can protect a logical
Five-qubit error correcting code
Five-qubit_error_correcting_code
Change of basis applied in quantum computing
K. R. (2006). Lectures on Quantum Computation, Quantum Error Correcting Codes and Information Theory. Tata Institute of Fundamental Research. ISBN 978-81-7319-688-1
Quantum_Fourier_transform
Problem in computer science
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Simon's_problem
Quantum algorithm for solving systems of linear equations
Eric (2019-07-03). Programming Quantum Computers: Essential Algorithms and Code Samples. O'Reilly Media. p. 267. ISBN 978-1-4920-3965-5. Cai, X.-D; Weedbrook
HHL_algorithm
Types of quantum information
physical qubits). In 2024, IBM researchers created a quantum error correction code 10 times more efficient than previous research, protecting 12 logical qubits
Physical_and_logical_qubits
Technique for comparing quantum states
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Swap_test
Projected date when quantum computers could break modern encryption
data must stay secret, and that total runs past the time untill a working code-breaker exists, then you are already late and should be moving now. The phrase
Quantum_Threat
Quantum algorithm
teleportation quantum energy teleportation quantum gate teleportation Superdense coding Quantum cryptography Decoy state Hidden matching Post-quantum cryptography
Variational quantum eigensolver
Variational_quantum_eigensolver
Quantum error correcting code
Bacon–Shor code is a subsystem error correcting code. In a subsystem code, information is encoded in a subsystem of a Hilbert space. Subsystem codes lend to
Bacon–Shor_code
Theorem of quantum circuits
graph state formalism. Clifford gates Magic state distillation Stabilizer code Aaronson, Scott; Gottesman, Daniel (2004). "Improved simulation of stabilizer
Gottesman–Knill_theorem
Type of quantum computer
in Si. arXiv:cond-mat/0307599 2003 O'Gorman, J. A silicon-based surface code quantum computer. arXiv:1406.5149 2014 Cho, Adrian (11 March 2020). "Chance
Kane_quantum_computer
Bob pre-share some entangled qubits) as demonstrated in the quantum superdense coding protocol. The principle is respected by all correlations accessible
Information_causality
SUPERDENSE CODING
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Girl/Female
Tamil
Brilliant, Illuminated
Girl/Female
Gujarati, Indian
Gold Body
Surname or Lastname
English
English : variant of Sturtevant.
Girl/Female
Indian
Wife of Lord Shiva
Male
Hebrew
(× ï¬µ×Ÿ) Hebrew name NUWN means "fish." In the bible, this is the name of the father of Joshua.
Surname or Lastname
English
English : variant of Cudlip(p), a habitational name from Cudlipptown in Petertavy, Devon.Americanized form of German Gottlieb.
Boy/Male
Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Telugu
East; Chanting Voice from East at Sunrise
Girl/Female
Tamil
Gita ka Ansh
Girl/Female
Muslim Arabic
Captivating. Alluring. Enchanting. Fascinating. Charming.
Boy/Male
Hindu, Indian
The Learned One
SUPERDENSE CODING
SUPERDENSE CODING
SUPERDENSE CODING
SUPERDENSE CODING
SUPERDENSE CODING
v. i.
To come as something additional or extraneous; to occur with reference or relation to something else; to happen upon or after something else; to be added; to take place; to happen.
imp. & p. p.
of Supervene
p. pr. & vb. n.
of Supervene
v. t.
To supervene upon; to come as an addition to.