This repository contains my complete work for the IBM Quantum Global Summer School 2025 (QGSS25), hosted by IBM Quantum and Qiskit. This documentation serves as both a learning record and a reference for future quantum computing students.
The Qiskit Global Summer School 2025 theme was "The Past, Present and Future of Quantum Computing" - exploring the evolution from early quantum concepts to cutting-edge fault-tolerant quantum computing implementations.
- Quantum circuit design and basic gates
- Superposition and entanglement principles
- Bloch sphere visualization
- Introduction to Qiskit ecosystem
- Multi-qubit operations and measurements
- Quantum algorithm implementations
- Hardware-aware transpilation
- Real device execution with
QiskitRuntimeService
- Double-slit experiment quantum simulation
- Quantum entanglement demonstrations
- CHSH game implementation and Bell inequality violations
- Quantum advantage exploration
- VQE (Variational Quantum Eigensolver) for molecular ground states
- N₂ molecule simulation using cc-pVDZ basis sets
- UCCSD ansatz implementation and optimization
- IBM hardware backend selection (IBM Torino) with error analysis
- LUCJ (Low-rank Unitary Coupled Cluster with Jastrow) ansatz extensions
- Real quantum hardware execution for chemistry problems
- 3-qubit bit-flip code syndrome decoding
- [[7,1,3]] Steane code complete implementation
- Syndrome measurement circuits with ancilla qubits
- Toric code construction on 144-qubit toroidal lattices
- Gross code implementation with long-range connections
- CSS code theory and logical qubit counting
- Topological quantum error correction principles
The quantum chemistry experiments in Lab 3 utilized IBM's heavy-hex lattice architecture:
Figure: IBM Quantum backend connectivity graph showing the heavy-hex lattice structure used for optimal qubit layout selection in quantum chemistry simulations.
| Folder/File | Description | Key Achievements |
|---|---|---|
lab0/ |
Quantum computing foundations | ✅ Basic circuit mastery |
lab1/ |
Advanced quantum circuits | ✅ Multi-qubit operations |
lab2/ |
Quantum phenomena & games | ✅ CHSH game & Bell violations |
Lab2 (1).ipynb |
Extended quantum applications | ✅ Advanced implementations |
lab3/ |
Quantum Chemistry | ✅ VQE, UCCSD, LUCJ ansatz |
lab4/ |
Quantum Error Correction | ✅ Toric & Gross codes |
.gitignore |
Repository management | Clean project structure |
README.md |
Project documentation | This comprehensive guide |
Platform: QBraid - Integrated quantum development environment
Technologies Used:
- Python 3.11 with Jupyter Notebooks
- Qiskit (latest version) - IBM's quantum computing framework
- Qiskit Runtime - Hardware execution service
- IBM Quantum Network access for real device testing
- Advanced Libraries:
ffsimfor quantum chemistry simulationspyscffor molecular orbital calculations- Custom quantum error correction utilities
Hardware Access:
- IBM Torino (133-qubit heavy-hex lattice) for quantum chemistry
- Various IBM Quantum Network backends for error correction testing
- Quantum mechanics foundations and computational applications
- Quantum chemistry theory and electronic structure calculations
- Quantum error correction principles and topological protection
- CSS codes, stabilizer formalism, and fault-tolerant computing
- Quantum algorithm implementation from theory to hardware
- Real quantum device programming and hardware-aware optimization
- Advanced debugging of quantum circuits and error correction codes
- Scientific computing with quantum chemistry and many-body systems
- Cutting-edge quantum error correction (toric codes, gross codes)
- Variational quantum algorithms for chemistry and optimization
- Hardware-software co-design for NISQ applications
- Systematic approach to complex quantum computing problems
- Quantum information theory and error correction
- Computational quantum chemistry and molecular simulation
- Topological quantum computing and fault-tolerant architectures
- Near-term quantum algorithms and hardware optimization
GitHub: @Ansal06
Email: aspphy2997@gmail.com
This repository represents a comprehensive learning journey through modern quantum computing - from foundational principles to research implementation examples. The labs hone your theoretical understanding and practical programming skills essential for quantum information research.
Note: Some notebooks require QBraid environment or Qiskit Runtime access for full execution.