CORRIGENDUM: Parametric spectro-temporal analyzer (PASTA) for real-time optical spectrum observation

The authors neglected to cite some of the previous studies related to Fourier Transformation in the Introduction section of this Article. These additional references are listed below as references 1–4, and should appear in the text as below. ‘‘This concept was first introduced by Azana et al. for real-time Fourier transformation, where group-velocity dispersion (GVD) directly stretched spectra in the time domain. After wavelength-to-time mapping, the spectrum can be captured by a single-pixel detector and a real-time oscilloscope.’’ should read ‘‘Earlier work on real-time Fourier transformation has been demonstrated by Tong, Bhushan and Azana where group-velocity dispersion (GVD) directly stretched spectra in the time domain. After wavelength-to-time mapping, the spectrum can be captured by a single-pixel detector and a real-time oscilloscope. Its first demonstration in applying DFT spectroscopy was not as practical until the introduction of optical amplification as in ADFT.’’ In addition Table 1 is incomplete and should also include an additional reference listed as reference 5 below. Table 1 should read: