FIBER OPTICS

The topics studied over the years span over the following:
High-power EDFA
Fiber loop mirror
Erbium-doped fiber laser (EDFL)
Tunable EDFL
Mode-locked EDFL
Stimulated Brillouin Scattering in fibers
Chaos in EDFL
Four wave mixing and Broadband EDFL
Temporal coherence in broadband EDFL
Saturable absorption in EDF
Bistable EDFL

NANOPHOTONICS

The topics studied are in the theme of Photonic crystals:
Photonic crystals by self-assembly
Dual stopband
High-energy features
Inverse photonic crystals
Lasing in photonic crystals
Photonic crystal waveguides
Negative refraction, supercollimation
Photonic crystal heterostructures
Localized surface plasmons
Photonic crystal cavities
Polarization effects
Tamm plasmons

PATTERNED SURFACES, WAVEGUIDES, ANTENNAS

The topics studied here span over specialty optics, patterned surfaces, waveguides and antennas. Some of these are:

Patterning by soft imprint lithography

Hydrophobic surfaces

High-energy features

Anti-reflecting surfaces

Ultrashort pulse micromachining

Optical waveguides

Microstrip patch antennas (GHz/THz)

Metasurfaces

High- and anti-reflection coatings

Partial reflectors

Coated lenses for NIR range