Demonstration and Analysis of the very first Mid-infrared Sub-mW Threshold Brillouin Laser

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Ko, Kiyoung
Suk, Daewon
Kim, Dohyeong
Wang, Rongping
Chun, Byung Jae
Ko, Kwang Hoon
Choi, Duk Yong
Lee, Hansuek

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We demonstrate and analyze the first mid-infrared on-chip Brillouin laser generated using chalcogenide resonators. Q-factor of 2.91 × 107, phonon gain bandwidth of 14.51 MHz and threshold power of 93.3 μW were measured.

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