swap_horiz superdense coding Alternatives

1

Shor's algorithm

Shor's algorithm is a quantum computation method designed for integer factorization. It achieves an exponential speedup...

Algorithm Cryptography Factoring Speedup

9.6 Brilliant

2

quantum error correction

Quantum error correction is a technique used to maintain the integrity of quantum information. It addresses the unavoida...

Fault Tolerance Computing Noise Error Correction

9.5 Brilliant

3

qubit

A qubit is a fundamental unit of quantum information leveraging quantum mechanics. It differs from a classical bit by ex...

Computing Information State Two Level

9.4 Excellent

4

CNOT gate

The CNOT gate is a core component of quantum computing. It operates on two qubits, creating entanglement by flipping one...

Gate Two Qubit Clifford Entangling

9.4 Excellent

5

quantum teleportation

Quantum teleportation is a process enabling the transfer of a quantum state between two particles. It relies on the phen...

Communication Protocol Entanglement State Transfer

9.4 Excellent

6

quantum simulation

Quantum simulation employs controllable quantum systems to replicate the dynamics of intricate quantum phenomena such as...

Simulation Chemistry Computing Many Body

9.4 Excellent

7

CHSH inequality

The CHSH inequality is a mathematical constraint derived from Bell’s theorem. It defines an upper limit for correlations...

Foundation Entanglement Correlation Bell Test

9.3 Excellent

8

quantum fault tolerance

Quantum fault tolerance is a technique designed for quantum computing. It addresses the significant challenge of maintai...

Computing Reliability Error Correction Threshold

9.3 Excellent

9

Bell state

A Bell state describes a fundamental property in quantum mechanics involving the linked behavior of multiple subatomic p...

Entanglement State Two Qubit Basis

9.2 Excellent

10

GHZ state

A Greenberger–Horne–Zeilinger (GHZ) state is a specific entangled quantum state of three or more particles where measuri...

Foundation Entanglement State Multipartite

8.7 Great

11

quantum key distribution

Quantum Key Distribution (QKD) uses the principles of quantum mechanics to generate and distribute encryption keys, ensu...

Communication Security Protocol Cryptography

8.6 Great

12

E91 protocol

E91 is a quantum entanglement protocol demonstrating non-local realism violation; it uses three entangled photons and me...

History Cryptography Entanglement Qkd

8.2 Great

13

cluster state

A cluster state is a specific entangled multiparticle quantum state where each qubit's value depends on the values of it...

Computing Measurement Entanglement Graph State

8.1 Great

14

W state

A W state is a specific entangled quantum state where each qubit has an equal probability of being in either the |0⟩ or...

Entanglement State Multipartite Qubits

7.9 Good

15

graph state

A graph state is a specific entangled quantum state where qubits are connected by edges representing entanglement, formi...

Computing Stabilizer Entanglement State

7.9 Good

16

qudit

A qudit is a generalization of the qubit, representing a quantum system with *d* possible states—where *d* is an integer...

Computing Information State D Level

7.6 Good

17

quantum secret sharing

Quantum secret sharing distributes a secret among multiple parties using entangled photons; reconstructing the original...

Security Protocol Cryptography Multipartite

7.6 Good

18

qutrit

A qutrit is a quantum bit that can exist in three distinct states—analogous to the binary 0 and 1 of classical bits—allo...

Computing Information State Three Level

7.5 Good

19

NOON state

NOON states are entangled quantum systems where both possibilities of a property (like spin) exist simultaneously until...

Optics Entanglement Metrology State

7.3 Good

20

quantum digital signature

Quantum digital signatures leverage principles of quantum mechanics, like entanglement and superposition, to create secu...

Security Protocol Cryptography Authentication

7.3 Good