Quantum computing

1. Introduction to Quantum
Computing
Understanding the Future of
Computation
AADHITHYA K
2024-08-18

2. Introduction to Quantum
Computing
• Quantum computing leverages the principles
of quantum mechanics to perform calculations
that are beyond the reach of classical
computers. It holds the potential to
revolutionize industries by solving complex
problems faster and more efficiently.

3. Classical vs Quantum Computing
• Classical computers use bits as the smallest
unit of data, represented as 0s and 1s.
• Quantum computers use quantum bits or
qubits, which can exist in multiple states
simultaneously due to superposition. This
allows quantum computers to process
information in parallel, offering exponentially
greater computational power.

4. What is a Qubit?
• A qubit is the fundamental unit of quantum
information.
• Superposition allows qubits to represent both
0 and 1 at the same time, increasing
processing power.
• Entanglement is a phenomenon where qubits
become correlated, allowing instantaneous
coordination over distances.

5. Quantum Gates and Circuits
• Quantum gates are the basic building blocks of
quantum circuits, manipulating qubits through
quantum operations.
• Examples include the Hadamard gate, Pauli-X
gate, and CNOT gate.
• Quantum circuits are constructed by
combining these gates to perform complex
computations.

6. Quantum Algorithms
• Quantum algorithms exploit the properties of
qubits to solve problems more efficiently than
classical algorithms.
• Shor's algorithm can factor large numbers
exponentially faster, threatening classical
encryption methods.
• Grover's algorithm speeds up database
searching, offering quadratic improvements
over classical approaches.

7. Applications of Quantum
Computing
• Quantum computing has potential
applications in various fields:
• - Cryptography: Breaking encryption and
developing quantum-safe cryptography.
• - Drug Discovery: Simulating molecular
structures to accelerate drug development.
• - Optimization Problems: Solving complex
optimization problems in logistics, finance,
and more.

8. Challenges in Quantum Computing
• Quantum computing faces several technical
challenges:
• - Error Correction: Maintaining qubit stability
and correcting errors due to decoherence.
• - Decoherence: The loss of quantum state due
to environmental interference.
• - Qubit Scalability: Building systems with a
large number of qubits while maintaining
coherence.

9. Future of Quantum Computing
• The future of quantum computing holds
immense promise:
• - Advancements in qubit technology and
quantum error correction.
• - Breakthroughs in quantum algorithms for
real-world applications.
• - Potential to revolutionize industries such as
healthcare, finance, and artificial intelligence.

10. Conclusion
• Quantum computing represents a paradigm
shift in computation.
• Its ability to solve complex problems
exponentially faster than classical computers
could lead to groundbreaking advancements.
• Continued research and development are
crucial to overcoming current challenges and
unlocking the full potential of quantum
technology.

11. Questions
• Thank you for your attention! Feel free to ask
any questions or share your thoughts.