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Electro-absorption modulation in GeSn alloys for wide-spectrum mid-infrared applications
oleh: Yun-Da Hsieh, Jun-Han Lin, Richard Soref, Greg Sun, Hung-Hsiang Cheng, Guo-En Chang
Format: | Article |
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Diterbitkan: | Nature Portfolio 2021-04-01 |
Deskripsi
Silicon-based electronic-photonic integrated circuits are promising for various applications, but their mid-infrared optical modulation is elusive. Here, tunable mid-infrared electro-absorption modulation, with broadband operation range >140 nm, is achieved in GeSn alloys on Si by controlling the Sn content.