Research Interests

Professional Interests:

Near-field optics, Nonlinear optics, Laser spectroscopy, Vibration spectroscopy, Time-resolved spectroscopy, Coherent Quantum Control, Scanning Probe Microscope (NSOM, AFM, STM), Semiconductor Nanophotonics, Silicon Photonics, Diamond Photonics, Carbon Nanomaterials

Professional Skills:

A. Experience with experimental technique

Current research works

· Nano-electro-optical investigation of strained silicon

· Multimodal Tip-enhanced spectroscopy (fluorescence, Raman, CARS, SHG, TPF..etc.)

· Tip-enhanced Raman spectroscopy with gap-mode SPP excitations

· Tip-enhanced broadband coherent anti-Stokes Raman spectroscopy

· Tip-enhanced two photon excited fluorescence microscopy

· Coherent quantum control in the near-field

· Single molecule detection

· Plasmonics in Visible & UV

  • Near-field Raman spectroscopy (Apertureless)
  • Near-field Coherent Anti-Stokes Raman spectroscopy (Apertureless)
  • Near-field fluorescence spectroscopy (Apertureless)
  • Near-field Two-photon excited fluorescence microscopy (Apertureless)
  • Raman Spectroscopy using either single or triple spectrometer, CARS spectroscopy & microscopy
  • Broardband CARS based on Photonic Crystal Fiber & its tip-enhancement
  • SEM, AFM
  • Laser scanning microscopy (Confocal Microscopy, Two-Photon Excited Fluorescence Microscopy)
  • Time gated photon counting
  • Fluorescence life-time measurements using streak camera or photon counting
  • Aperture type NSOM using sharpened optical fiber
  • Single Molecule detection by either one or two photon excitation
  • Phonon mode characterization
  • Strained Silicon Nanoengineering & Characterization
  • Carbon and Silicon materials (SWNT, Graphene, Diamond, Silicon, etc)