Quantum Physics2026-01-292 minarXiv:2601.21250expressA Photon in Full: Seeing Quantum Light in 3DQuantum light is not just a stream of particles but an intricate pattern woven from space and time. A single photon can be stretched, squeezed, smeared across different directions.Yang Xue·Ze-Shan He·Hao-Shu Tian·Qin-Qin Wang·Bin-Tong Yin·Jun Zhong·Xiao-Ye Xu·Chuan-Feng Li·Guang-Can GuoAlain AspectAlbert EinsteinCharles Townesquantum opticsquantum entanglementdark photonquantum measurementquantum dot👍👎☆SimplePopularAdvanced