Optical Cavities and Structures Electrospun dye-doped polymer microfiber supporting whispering gallery mode resonance for label-free biological and chemical sensing Undercut etched semiconductor microdisk as a novel geometry for low threshold wide bandgap lasing Membrane-based photonic crystal cavity with internal emitters as potential low volume single photon sources Electronic and Photonic Nanobiomaterials Lower symmetry bionanoscaffolds to assemble functional and complex nanostructures for photocatalysis and self-propulsion Phage-based hybrid nanoparticles for targeted photothermal lysis of bacteria Biologically assembled nanopeapods as high surface area-to-volume architectures with tunable selectivity for gas sensing Cutting-edge Fabrication Techniques Precision direct write patterning using near-field electrospinning Bio-assisted assembly using a genetically programmable and shape-modifiable non-lytic bacteriophage template Light-induced etching using photogenerated minority carriers to facilitate material dissolution