Research
- Fundamental Optical Studies
- Coupled-resonator-induced transparency/attenuation (classical analogs to EIT/EIA)
- Coupled-mode IT/IA and corresponding pulse delay/advancement
- IT/IA and corresponding pulse delay/advancement without mode coupling
- Two methods for measuring the strength of cross-polarization coupling
- Measurement of quality factor via phase shift or transient response
- Sensing
- Trace gas absorption sensing (external and internal)
- Chemical absorption sensing in liquids (external and internal, laser and broadband)
- Enhancement of absorption sensing with non-adiabatic tapered fiber coupling
- Novel measure of thermal accommodation coefficients
- Sensing changes in pH of solutions
- Theoretical Modeling
- Application of coupled mode theory to fiber-cavity coupling
- Application of coupled mode theory to cavity-cavity coupling
- Application of coupled mode theory to cross-polarization intermodal coupling
- Cavity modeling of coupled-resonator response
- Cavity modeling of transient response for quality factor determination
- Cavity modeling of modulation effects
- Field modeling for a non-adiabatic tapered fiber
- Model for non-adiabatic fiber coupling sensing enhancement
- Plasmonic nanorod/wire spectral response (and effects of nonuniform dielectric)
- Microlasers
- First room-temperature lasing of HgTe quantum dots (QDs)
- QDs attached to microsphere by solution processing or dielectrophoresis
- Ultralow lasing threshold (150 nW)
- Effect of coating fiber with QDs
- Plasmonic Near Field WGM Enhancement
- Growth and characterization of high-aspect-ratio gold nanorods and wires
- Plasmonic enhancement of evanescent coupling
- Surface-enhanced Raman spectroscopy using WGMs
- All-optical evanescent coupling control