Core research areas for Professor Lo are biosensors, biologically inspired artificial devices, and quantum communications. He designs BioMEMs (biological microelectricalmechanical systems), including microfluidic devices. Among other uses, such devices can house sensors and bring them into periodic contact with environmental fluids. Lo designs optical interfaces to provide light to power BioMEMS and to transmit radio alerts via microwaves. ..Lo is also focusing on "bioinspired photonic systems." Cameras are bulky, heavy, and slow to respond compared to insect or animal eyes. Lo is studying how to marry the best of natural and manufactured optical systems, which are self contained and durable. Lo is also researching optical and quantum communications. Each bit on a quantum system would be represented by a single photon, an indivisible quantum-equivalent packet of light. This technique is sometimes called quantum cryptography since any attempt to listen in would, in theory, be immediately detected. This is because the act of measuring a quantum changes its state, per the Heisenberg Uncertainty Principle.
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