Colorful fall foliage frames Leverett House tower as students walk along along the Weeks Bridge. Jon Chase/Harvard Staff PhotographerHarvard John A. Paulson School of Engineering and Applied Sciences. Photo by Jon RatnerMikhail Lukin (left) and Can Knaut pose for a photo in front of the node. Photos from Mikhail Lukin’s lab in the Laboratory for Integrated Science and Engineering building at Harvard University. Featured in the photos are Mikhail Lukin, Professor and Co-Director of the Quantum Science and Engineering Initiative; Can Knaut, PhD Student; Wei Yan-Cheng, PhD Student; and Pieter-Jan Stas, PhD student. They stand near a quantum network node called a diamond silicon vacancy center. Niles Singer/Harvard Staff Photographer