2005/10/05 by Hoonsoo Kang, Gessler Hernandez, Kang, Hoonsoo +5
Engineering · Neuroscience · Physics and Astronomy · #FOS: Physical sciences #Photonic and Optical Devices #Photoreceptor and optogenetics research #Quantum Physics (quant-ph) #Semiconductor Lasers and Optical Devices #quant-ph
paper · pdf · doi:10.48550/arxiv.quant-ph/0510036
15 pages, 5 figures
arxiv created 2005/10/05 · openalex publication_date 2005/10/05 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We report experimental observations of interference between three-photon and one-photon excitations, and phase control of light attenuation/transmission in a four-level system. Either constructive interference or destructive interference can be obtained by varying the phase and/or frequency of a weak control laser. The interference enables absorptive switching of one field by another field at different frequencies and ultra-low light levels.