1. Applied Physics Program, Rice University, 6100 Main Street, Houston, TX 77005, USA.
2. Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA.
3. Nanophotonic Computational Imaging and Sensing Laboratory, Rice University, Houston, TX 77005, USA.
4. Department of Bioengineering, Rice University, Houston, TX 77005, USA.
5. Department of Neuroscience, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA.