Quantum detectors are advanced devices designed to measure and analyze quantum states of particles, such as photons or electrons. They exploit the principles of quantum mechanics to achieve high sensitivity and precision, making them essential in fields like quantum computing, quantum cryptography, and particle physics. These detectors can capture single particles and provide information about their properties, such as energy and momentum. By utilizing phenomena like superposition and entanglement, quantum detectors can outperform traditional measurement techniques, enabling breakthroughs in technology and scientific research.