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The weak value amplification (WVA) concept, introduced by Aharonov, Albert, and Vaidman, has proven to be fundamentally important and extremely useful for numerous metrological applications. This quantum mechanical concept can be understood using the wave interference phenomena and can therefore be realized in classical optical settings also. In this talk, I shall illustrate how the WVA concept can be formulated within the realm of classical electromagnetic theory of light. In this regard, our recent experimental work on realization of the weak value of polarization observable by introducing a weak coupling between the path degree of freedom of an interferometer and the polarization degree of freedom of light will be presented. Taking example of Fano resonance, it will also be shown how weak value amplification of an appropriate weak interaction parameter may naturally evolve in a rich variety of non-trivial wave phenomena that originate from fine interference effects. |