Ultrafast Lasers and Optical Amplifiers
Physics department, IIT Madras, Chennai 600 036, India

Following are our Research Interests:

We investigate the ultrafast dynamics of a short-lived entity –“The excited state”.

We use the techniques of steady-state and time-resolved luminescence microscopy, laser induced transient grating, multiphoton excitation spectroscopy and continuous wave (cw) and pulsed z-scan.

Recent activities include femtosecond pulse generation using noncollinear optical parametric amplification.

Other Interests:

1. Morphology dependent resonances (MDRs) or Whispering Gallery Modes (WGMs) and control of radiative rate from single particle fluorescence

2. Forster energy transfer and energy migration

3. Multiphoton excitation and lasing

4. Laser induced transient grating and relaxation processes

5. White light continuum generation, and Optical parametric amplifiers

6. Determination of third order optical nonlinearity and excited-state & multiphoton absorption cross sections.

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