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Electrically-pumped high-power laser transmitter integrated on thin-film lithium niobate

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posted on 2023-06-08, 12:50 authored by Amirhassan Shams-Ansari, Dylan Renaud, Rebecca Cheng, Linbo Shao, Lingyan He, Di Zhu, Mengjie Yu, Hannah R. Grant, Leif Johansson, Mian Zhang, Marko Loncar
Integrated thin-film lithium niobate (TFLN) photonics has emerged as a promising platform for realization of high-performance chip-scale optical systems. Of particular importance are TFLN electro-optic modulators featuring high-linearity, low driving voltage and lowpropagation loss. However, fully integrated system requires integration of high power, low noise, and narrow linewidth lasers on TFLN chip. Here we achieve this goal, and demonstrate integrated high-power lasers on TFLN platform with up to 60 mW of optical power in the waveguides. We use this platform to realize a highpower transmitter consisting an electrically-pumped laser integrated with a 50 GHz modulator.



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