We demonstrate experimentally reconstruction of spectra at resolution higher than the fundamental time-frequency-bandwidth limit of the spectrometer. Knowing that the spectrum has compact representation enables retrieving data that is otherwise lost.
© 2012 OSA
(000.3110) General : Instruments, apparatus, and components common to the sciences
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(350.5730) Other areas of optics : Resolution
P. Sidorenko, E. Osherovich, Y. Shechtman, Y. C. Eldar, M. Segev, and O. Cohen, "Super-resolution spectroscopy by compact representation," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FM3F.5.
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