Quantum optics 95 human 87 Humans 64 Article 58 Optical properties 57 Optical- 49 optical coherence tomography 46 article 42 Optical radar 37 Refractive index 37 controlled study 37 Photons 35 male 33 procedures 32 female 31 Nonlinear optics 29 Optical tomography 29 adult 27 Infrared devices 26 Performance 26 Quantum entanglement 25 Optical fibers 24 diagnostic imaging 24 Deep learning 23 Optical communication 23 Fiber optic sensors 22 Qubits 21 Image enhancement 20 nonhuman 20 Fluorescence 18