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Dr. Tom Schmedake
REU Program Director
Department of Chemistry
UNC Charlotte
9201 University City Boulevard
Charlotte, NC 28223

704-687-5177
tschmeda@uncc.edu

Project Descriptions

  • Project 1 – Fluorescent Sensors for Photoinduced Electron Transfer
  • Project 2 – Light-Activated Multifunctional Silica-Based Nanoparticles for Therapeutic Applications
  • Project 3 – Light Effect Transistors (LETs) in Photonic Integrated Circuits
  • Project 4 – Developing therapeutic nanomaterial architectures towards their clinical translation
  • Project 5 – Synthesis of Inorganic Materials and Compounds
  • Project 6 – Oxide Nanostructures Based Nonmetal Plasmonic Materials
  • Project 7 – Superatomic Secondary Building Units (SBUs) for Framework Solids
  • Project 8 – Dynamic RNA Nanoparticles and Reconfigurable Nanoassemblies with Controllable Immunological Properties
  • Project 9 – Reconfigurable RNA-based Supra-assemblies

Links

  • Dept of Chemistry
  • UNC Charlotte
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Funding provided by NSF-REU program through NSF Award #1757619

Project 3 – Light Effect Transistors (LETs) in Photonic Integrated Circuits

December 02, 2018 by Tom Schmedake
Categories: Updates

The purpose of this project is to develop novel applications of LETs in photonic integrated circuits (PICs).

Research Mentor

Yong Zhang (ECE)

Description

LETs are photo-conductive devices with suitable characteristics that can mimic the functionalities of FETs (field-effect transistors) but instead using light to modify the conductivity of the channel. LETs can potentially offer advantages over FETs in switching speed and switching energy. Furthermore, LETs provide unique functions that not available from FETs, for instance, multiple-beam gating, which allows for the realization of OR and AND logic function with a single LET, in turn, new and simplified circuit designs. This project will use LETs to construct an XOR gate that is the key component of a half adder or full adder in computing applications.

Fig.1 Schematic of LET, NOR and NAND gate constructed with LETs

REU Students’ Role

The student will help the circuit design and implement the design using discrete components to construct and characterize the circuit, and to demonstrate the intended functions. Background in electronic circuits and physics are expected.

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