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Conferences > CLEO_SI > 2023 > SM3G > SM3G.6

Spectral Analysis of Surface-adsorbed Chemical Absorption in an On-chip Mid-IR Microresonator

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

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Abstract

We spectrally analyze the optical loss coming from surface-adsorbed chemicals in a mid-IR microresonator. Hydrocarbon and hydroxyl absorption proportional to surface E-field intensity dominate the Q-factor over the 3-4 μm wavelength.

© 2023 The Author(s)

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