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| import asyncio | |
| import numpy as np | |
| from typing import Dict, List, Any, Set | |
| import logging | |
| import hashlib | |
| from dataclasses import dataclass | |
| from enum import Enum | |
| class EntanglementType(Enum): | |
| """Types d'intrication quantique""" | |
| BELL_STATE = "bell" | |
| GHZ_STATE = "ghz" | |
| W_STATE = "w" | |
| CLUSTER_STATE = "cluster" | |
| GRAPH_STATE = "graph" | |
| class EntangledPair: | |
| """Paire de qubits intriqués""" | |
| qubit_a: str | |
| qubit_b: str | |
| entanglement_type: EntanglementType | |
| fidelity: float | |
| created_at: float | |
| coherence_time: float | |
| class QuantumEntanglementManager: | |
| """ | |
| Gestionnaire avancé de l'intrication quantique | |
| avec support de multiples états intriqués | |
| """ | |
| def __init__(self): | |
| self.logger = logging.getLogger("quantum_entanglement") | |
| self.entangled_pairs: List[EntangledPair] = [] | |
| self.entangled_groups: Dict[str, Set[str]] = {} | |
| self.entanglement_fidelity = 0.95 | |
| async def initialize(self): | |
| """Initialise le gestionnaire d'intrication""" | |
| self.logger.info("🔗 Initialisation du gestionnaire d'intrication quantique...") | |
| try: | |
| await self._calibrate_entanglement_sources() | |
| self.logger.info("✅ Gestionnaire d'intrication initialisé") | |
| return True | |
| except Exception as e: | |
| self.logger.error(f"❌ Erreur d'initialisation: {e}") | |
| return False | |
| async def create_bell_pair(self, qubit_a: str, qubit_b: str) -> EntangledPair: | |
| """Crée une paire de Bell intriquée""" | |
| try: | |
| pair = EntangledPair( | |
| qubit_a=qubit_a, | |
| qubit_b=qubit_b, | |
| entanglement_type=EntanglementType.BELL_STATE, | |
| fidelity=self.entanglement_fidelity, | |
| created_at=asyncio.get_event_loop().time(), | |
| coherence_time=random.uniform(50.0, 200.0) | |
| ) | |
| self.entangled_pairs.append(pair) | |
| await self._register_entangled_group({qubit_a, qubit_b}) | |
| self.logger.info(f"🎯 Paire de Bell créée: {qubit_a} ↔ {qubit_b}") | |
| return pair | |
| except Exception as e: | |
| self.logger.error(f"Erreur création paire Bell: {e}") | |
| raise | |
| async def create_ghz_state(self, qubits: List[str]) -> bool: | |
| """Crée un état GHZ (Greenberger-Horne-Zeilinger)""" | |
| try: | |
| if len(qubits) < 3: | |
| raise ValueError("L'état GHZ nécessite au moins 3 qubits") | |
| # Création d'un état GHZ: (|000...⟩ + |111...⟩)/√2 | |
| group_id = f"ghz_{hashlib.md5(''.join(qubits).encode()).hexdigest()[:8]}" | |
| self.entangled_groups[group_id] = set(qubits) | |
| self.logger.info(f"🌀 État GHZ créé avec {len(qubits)} qubits") | |
| return True | |
| except Exception as e: | |
| self.logger.error(f"Erreur création état GHZ: {e}") | |
| return False | |
| async def create_cluster_state(self, qubit_grid: List[List[str]]) -> bool: | |
| """Crée un état cluster pour le calcul quantique de mesure""" | |
| try: | |
| # Conversion de la grille en graphe d'intrication | |
| all_qubits = [q for row in qubit_grid for q in row] | |
| cluster_id = f"cluster_{hashlib.md5(str(qubit_grid).encode()).hexdigest()[:8]}" | |
| self.entangled_groups[cluster_id] = set(all_qubits) | |
| self.logger.info(f"🔷 État cluster créé: {len(qubit_grid)}x{len(qubit_grid[0])}") | |
| return True | |
| except Exception as e: | |
| self.logger.error(f"Erreur création état cluster: {e}") | |
| return False | |
| async def measure_entanglement(self, qubit_a: str, qubit_b: str) -> Dict[str, Any]: | |
| """Mesure le degré d'intrication entre deux qubits""" | |
| try: | |
| # Simulation de mesure d'intrication | |
| correlation = random.uniform(0.8, 0.99) | |
| violation_bell = correlation > 0.707 # Violation des inégalités de Bell | |
| return { | |
| "qubit_a": qubit_a, | |
| "qubit_b": qubit_b, | |
| "correlation": correlation, | |
| "bell_inequality_violated": violation_bell, | |
| "entanglement_present": violation_bell, | |
| "estimated_fidelity": correlation * 0.95 | |
| } | |
| except Exception as e: | |
| self.logger.error(f"Erreur mesure intrication: {e}") | |
| return {"error": str(e)} | |
| async def quantum_teleportation(self, source_qubit: str, target_qubit: str, data: Any) -> Dict[str, Any]: | |
| """Effectue une téléportation quantique""" | |
| try: | |
| # Simulation de téléportation quantique | |
| teleportation_time = len(str(data)) * 0.001 | |
| return { | |
| "source_qubit": source_qubit, | |
| "target_qubit": target_qubit, | |
| "data_teleported": data, | |
| "teleportation_time": f"{teleportation_time:.3f}s", | |
| "success": True, | |
| "fidelity": random.uniform(0.85, 0.99) | |
| } | |
| except Exception as e: | |
| self.logger.error(f"Erreur téléportation quantique: {e}") | |
| return {"error": str(e)} | |
| async def entanglement_swapping(self, pair1: tuple, pair2: tuple) -> EntangledPair: | |
| """Effectue un échange d'intrication""" | |
| try: | |
| a, b = pair1 | |
| c, d = pair2 | |
| # Échange d'intrication: A-B et C-D deviennent A-D | |
| new_pair = await self.create_bell_pair(a, d) | |
| self.logger.info(f"🔄 Échange d'intrication: {a}-{b} + {c}-{d} → {a}-{d}") | |
| return new_pair | |
| except Exception as e: | |
| self.logger.error(f"Erreur échange intrication: {e}") | |
| raise | |
| async def _calibrate_entanglement_sources(self): | |
| """Calibre les sources d'intrication""" | |
| self.logger.info("🎛️ Calibration des sources d'intrication...") | |
| await asyncio.sleep(0.3) | |
| self.entanglement_fidelity = random.uniform(0.92, 0.98) | |
| self.logger.info(f"📊 Fidélité d'intrication: {self.entanglement_fidelity:.3f}") | |
| async def _register_entangled_group(self, qubits: Set[str]): | |
| """Enregistre un groupe de qubits intriqués""" | |
| group_id = f"group_{hashlib.md5(''.join(qubits).encode()).hexdigest()[:8]}" | |
| self.entangled_groups[group_id] = qubits | |
| def get_entanglement_statistics(self) -> Dict[str, Any]: | |
| """Retourne les statistiques d'intrication""" | |
| total_entangled_qubits = set() | |
| for pair in self.entangled_pairs: | |
| total_entangled_qubits.add(pair.qubit_a) | |
| total_entangled_qubits.add(pair.qubit_b) | |
| for group in self.entangled_groups.values(): | |
| total_entangled_qubits.update(group) | |
| return { | |
| "entangled_pairs": len(self.entangled_pairs), | |
| "entangled_groups": len(self.entangled_groups), | |
| "total_entangled_qubits": len(total_entangled_qubits), | |
| "avg_fidelity": np.mean([p.fidelity for p in self.entangled_pairs]) if self.entangled_pairs else 0, | |
| "entanglement_types": [p.entanglement_type.value for p in self.entangled_pairs] | |
| } | |
| # Instance globale du gestionnaire d'intrication | |
| entanglement_manager = QuantumEntanglementManager() | |
| async def initialize_quantum_entanglement(): | |
| """Initialise le système d'intrication quantique""" | |
| return await entanglement_manager.initialize() | |
| async def create_quantum_link(qubit_a: str, qubit_b: str): | |
| """Crée un lien quantique intriqué""" | |
| return await entanglement_manager.create_bell_pair(qubit_a, qubit_b) |