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\bibitem{Nagatsuma_etal2000} Nagatsuma T, Hirata A, Royter Y, Shinagawa M, Furuta T, Ishibashi T, et al. A 120-GHz integrated photonic transmitter. In: Proc. International topical meeting on microwave photonics (MWP 2000).; 2000. p. 225--8.

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