swap_horiz superdense coding Alternatives

1

Shor's algorithm

Shor's algorithm uses quantum computation to factor integers efficiently and can also solve discrete logarithm problems....

Algorithm Cryptography Factoring Speedup

9.55 Brilliant

2

quantum error correction

Quantum error correction protects quantum information by encoding a logical state across several physical qubits. The en...

Fault Tolerance Computing Noise Error Correction

9.48 Excellent

3

quantum simulation

Quantum simulation uses a controllable quantum system to investigate the behavior of another quantum system. The target...

Simulation Chemistry Computing Many Body

9.44 Excellent

4

quantum teleportation

Quantum teleportation transfers an unknown quantum state from one system to another using shared entanglement and classi...

Communication Protocol Entanglement State Transfer

9.42 Excellent

5

qubit

The basic unit of quantum information, a qubit is a system with two distinguishable basis states conventionally labeled...

Computing Information State Two Level

9.41 Excellent

6

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

9.36 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

9.34 Excellent

8

quantum gate

Quantum circuits are built from gates that perform controlled operations on qubits. In the standard ideal circuit model,...

Operation Computing Circuit Unitary

9.32 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

9.21 Excellent

10

GHZ state

The GHZ state represents a fundamental entanglement phenomenon involving multiple quantum particles. It’s notable becaus...

Foundation Entanglement State Multipartite

8.68 Great

11

quantum key distribution

Quantum key distribution is a technology leveraging quantum mechanics for secure communication. It generates cryptograph...

Communication Security Protocol Cryptography

8.64 Great

12

E91 protocol

The E91 protocol is a foundational experiment in quantum mechanics utilizing three entangled photons. Developed by Artur...

History Cryptography Entanglement Qkd

8.18 Great

13

cluster state

A cluster state represents a complex entanglement pattern involving multiple qubits arranged in a network. This configur...

Computing Measurement Entanglement Graph State

8.11 Great

14

W state

In quantum information science, a W state is a specific type of multipartite entangled quantum state involving three or...

Entanglement State Multipartite Qubits

7.92 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

7.88 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

7.62 Good

17

quantum secret sharing

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

Security Protocol Cryptography Multipartite

7.62 Good

18

qutrit

A qutrit is a fundamental unit of quantum information in quantum computing, representing the base-3 equivalent of a qubi...

Computing Information State Three Level

7.45 Good

19

NOON state

A NOON state is a specific type of multi-particle entangled quantum state in quantum mechanics, mathematically described...

Optics Entanglement Metrology State

7.34 Good

20

quantum digital signature

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

Security Protocol Cryptography Authentication

7.28 Good