Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 39, Issue 11, Pages 3466-3470Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2021.3069872
Keywords
Optical fibers; Microcavities; Couplings; Ultrafast optics; Optical surface waves; Optical fiber sensors; Optical device fabrication; Resonators; microcavity; optical fiber device
Funding
- National Natural Science Foundation of China [61975192]
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A whispering-gallery mode microsphere resonator based on optical fiber with an open microcavity is demonstrated, utilizing femtosecond laser micromachining and fusion splicing techniques. The device can be constructed in either single-mode fiber or multimode fiber, with insertion loss of approximately 13.2 dB and 21.0 dB, and quality factors of 4.81X10(3) and 2 X10(5) respectively. It is expected to have many photonics applications due to its compact structure, low cost, easy fabrication, convenient operation, and high durability.
A whispering-gallery mode microsphere resonator based on optical fiber with an open microcavity is demonstrated, which is created by use of femtosecond laser micromachining and fusion splicing techniques. When a microsphere is placed into the open microcavity, whispering-gallery mode can be excited through evanescent field coupling. The device can be constructed in either single-mode fiber or multimode fiber, with the insertion loss of similar to 13.2 and similar to 21.0 dB, and the quality factor of 4.81X10(3) and 2 X10(5) respectively. Because of its features of compact structure, low cost, easy fabrication, convenient operation and high durability, the device is expected to have many photonics applications.
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