Nanobeam laser printed on optical fiber = 광섬유 끝에 전사된 나노빔 레이저

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With real-time sensing and label-free nature, optical sensors based on the resonance wavelength shift with respect to the refractive index change have drawn significant attention for biochemical sensing. Among those RI sensors, one-dimensional photonic crystal nanobeam laser provides extremely high Q-factor, small mode volume, and small footprint and so various types of NBs have been investigated and researched. However, as long as the NB is on the parent chip, the portability and the utility as a sensor is limited. In this thesis, an optical fiber is selected as a substrate platform for the NB to enhance its functionality as an RI sensor. Furthermore, by introducing a second gating to the NB, a band-folding effect is obtained, and so the power collection efficiency of the fiber is improved. With calculated Q-factor and observed sensitivity of ~152nm/RIU, the figure-of-merit of ~570 is achieved.
Advisors
Seo, Min Kyoresearcher서민교researcher
Description
한국과학기술원 :물리학과,
Publisher
한국과학기술원
Issue Date
2017
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 물리학과, 2017.8,[v, 37 p. :]

Keywords

photonic crystal▼a1D nanobeam laser▼aRI sensor▼aband-folding▼atransfer printing; 광 결정▼a1차원 나노빔 레이저▼a굴절률 센서▼a띠 접힘▼a트랜스퍼 프린팅

URI
http://hdl.handle.net/10203/242943
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=718576&flag=dissertation
Appears in Collection
PH-Theses_Master(석사논문)
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