Terahertz radiation interacts with matter at the quantum level, yielding spectroscopic signatures that unveil crucial information about the quantum states of materials. We delve into molecules’ rotational and vibrational modes through terahertz spectroscopy, gaining profound insights into their quantum energy levels and dynamic behavior. Employing quantum mechanical calculations, we aim to model and interpret terahertz spectra, facilitating the precise identification and characterization of materials.
- Quantum Sensing and Metrology: By leveraging terahertz radiation’s quantum properties, we achieve sensitive and precise sensing. Quantum-enhanced methods like quantum-cascade-laser-based spectroscopy offer unmatched sensitivity in detecting trace gases and biomolecules. Quantum coherence enables high-precision terahertz metrology for accurate frequency and waveform measurements.
- Quantum Interference and Control: Terahertz waves’ wave-like nature allows intricate interference phenomena reliant on quantum coherence. We manipulate wavefronts, polarization, and phase coherence to engineer desired interference effects, crucial for optimal performance in
terahertz imaging, holography, and communication systems.
develop a Terahertz camera based on a graphene quantum dots bolometer.
