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Our photonics research involves using light for applications including optical communications, medicine/biology, computing, and sensing.
Our projects involve design, modeling, and nanofabrication of lasers, in particular, Vertical Cavity Surface Emitting Lasers (VCSELs) and Semiconductor Ring Lasers (SRLs). We are developing new optical communication technologies with drastically enhanced performance enabling higher functionality systems. These are based on transistor lasers and optical injection locking.
We are also researching silicon photonic integrated circuits (PICs). We are developing nanophotonics devices to solve the communication bottle neck between the CPU and memory in computers. Nanophotonics allows one to integrate optics onto electronic chips to increase data communication. Our work currently focuses on designing passive structures (e.g. optical resonators, filters), as well as silicon modulators.
Effects of backscattering in high-Q, large-area silicon-on-insulator ring resonators
Journal Article | Optics letters
Broadband 2$\times$ 2 adiabatic 3 dB coupler using silicon-on-insulator sub-wavelength grating waveguides
Journal Article | Optics Letters
Schematic driven silicon photonics design
Conference Paper | SPIE OPTO
Automatic Wavelength Tuning of Series-Coupled Vernier Racetrack Resonators on SOI
Conference Paper | Optical Fiber Communication Conference
A review of wireless-photonic systems: Design methodologies and topologies, constraints, challenges, and innovations in electronics and photonics
Journal Article | Optics Communications