[P-CTh6] C6. Optical and Photonic Metrology

[P-CTh6-08] Active-dummy compensation of temperature drift in refractive-index-sensing optical comb by use of mechanically-sharing dual-comb configuration

*Shogo Miyamura¹, Ryo Oe², Taira Kajisa³, Yu Tokizane⁴, Takeo Minamikawa⁴, Shuji Taue⁵, Takeshi Yasui⁴ (1. Grad. Sch. Sci. Tech. Innov., Tokushima Univ. (Japan), 2. Grad. Sch. Tech. Ind. Soc. Sci., Tokushima Univ. (Japan), 3. Grad. Sch. Interdiscip. New Sci., Toyo Univ (Japan), 4. pLED, Tokushima Univ. (Japan), 5. Sch. System Eng., Kochi Univ. Tech. (Japan))

[Presentation Style] Online

We suppress the temperature drift in the refractive-index-sensing optical frequency comb (RI-sensing OFC) by using the difference of repetition frequency between an active RI-sensing OFC and a dummy one in the mechanical-sharing dual-fiber-cavity configuration.