Optical Refrigeration of Solids ( Yb-, Tm- & Ho-doped glass and crystals: Ho:YLF, Yb:Silica, Yb:YLF, Tm:YLF, Tm:BYF, …)
Radiation Balanced Solid-State Lasers (lasers without internal heat generation)
Optical Parametric Oscillators (high power CW-OPO)
Tm-doped Fiber Amplifiers (TDFA)
Non-contact Differential Luminescence Thermometry (DLT with Pervoskite Quantum Dots and Nonlinear Up-conversion in Ho-doped crystals)
Fluorescence Spectroscopy (Room & Cryogenic Temp. absorption and emission spectroscopy)
Optical Design and Modeling (MATLAB, Zemax, RSoft, COMSOL Multiphysics)
Optical Alignment and stabilization (Lock-in detection and PDH Technique)
Semiconductor Gain Embedded Meta Mirrors (Design)
Plasmonic (surface plasmon polaritons)
Quantum Materials (electron mobility and many-body properties of 2D coupled electron-phonon systems, electronic band structure calculations (nearly free electron gas model, pseudopotential, OPW etc. ), Random Phase and Ladder Approximations, zero and finite temperature analysis of electron liquids, GW Approximation)
Research Interests:
Novel Fiber Lasers and Amplifiers
Silicon Photonics
Metamaterials
Nanofabrication
Ultrafast Phenomena (Ultrashort pulse generation and pulse measurements)
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