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Chinese Optics Letters, Vol. 16, Issue 11, pp.110601 (2018)

In-fiber integrated optics: an emerging photonics integration technology [Invited]

Xiaotong Zhang1, Tingting Yuan1, Xinghua Yang1, Chunying Guan1, Jun Yang1, Zhihai Liu1, Hongchang Deng2, and Libo Yuan2,*

Author Affiliations

  • 1Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, College of Science, Harbin Engineering University, Harbin 150001, China
  • 2Photonics Research Center, School of Electric Engineering and Automation, Guilin University of Electronics Technology, Guilin 541004, China


In-fiber integrated optics is an attempt to use silica fiber as a substrate, integrating various optical paths or optical components into a single fiber, to build a functional optical device or component, and to realize a micro optical system, achieving various functions. In-fiber integrated optics is expected to be a new branch of photonics integration. This integration technique enables convenient light beams control and manipulation inside in one fiber. It also provides a research platform with micro and nano scale for interaction between light wave and microfluidic materials. In this review, we briefly summarize the main ideas and key technologies of the in-fiber integrated optics by series integration examples.