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. 2022 Jun 7;11:174. doi: 10.1038/s41377-022-00853-1

Fig. 10. Fourier transform spectrometers on silicon photonics platform.

Fig. 10

a General framework of a FTS17. b, c FTS on silicon photonics with OPDs introduced by an array of imbalanced MZIs15,83. d, e FTS on silicon photonics with OPDs tunable in time domain16,118. f The state-of-the-art work on silicon TH-FTS with 180 nm bandwidth and 0.16 nm resolution17. a Reprinted from ref. 17 with permission from John Wiley and Sons. b Reprinted with permission from ref. 83. © Optica Publishing Group. c Reprinted with permission from ref. 15. © Optica Publishing Group. d Reprinted by permission from Springer Nature: Nature Communications ref. 118, 2018. e Reprinted by permission from Springer Nature: Nature Communications ref. 16, 2018. f Reprinted from ref. 17 with permission from John Wiley and Sons