OPTICAL FIBER COUPLING METHOD AND SYSTEM, OPTICAL FIBER AND SIGNAL TRANSMISSION DEVICE

WIPO Patent Application WO/2020/019226

A1

An optical fiber coupling method and system, an optical fiber and a signal transmission device, said method comprising: inserting an auxiliary optical fiber (22, 91) into an air fiber core of an air core photonic band-gap optical fiber (21, 92); carrying out a preset processing on a part, where the auxiliary optical fiber (22, 91) is inserted, of the air core photonic band-gap optical fiber (21, 92), so as to collapse an air hole in the part, where the auxiliary optical fiber (22, 91) is inserted, of the air core photonic band-gap optical fiber (21, 92); cutting a refractive index guiding type optical fiber (31, 921) formed by the collapse of the air hole; and connecting the refractive index guiding type optical fiber (31, 921) to a single mode optical fiber (51, 93), and thus, a new coupled fiber structure can be obtained. At the coupling part, the air core photonic band-gap optical fiber (21, 92) and the auxiliary optical fiber (22, 91) form the refractive index guiding optical fiber (31, 921) having a solid core, greatly increasing the mechanical strength of the coupling part, reducing the coupling loss between the air core photonic band-gap optical fiber (21, 92) and the single mode optical fiber (51, 93).

HE JUN (CN)
ZHANG ZHE (CN)
WANG YIPING (CN)

PCT/CN2018/097153

January 30, 2020

July 26, 2018

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UNIV SHENZHEN (CN)

G02B6/28; G02B6/255; G02B6/38

CN102687048A	2012-09-19
CN104166183A	2014-11-26
JP4664271B2	2011-04-06
CN106019482A	2016-10-12
US20080037939A1	2008-02-14
CN1341219A	2002-03-20
CN107771292A	2018-03-06

HENSEN INTELLECTUAL PROPERTY FIRM (CN)

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