Long-period D-fiber grating based robust and efficient bidirectional coupler for whispering gallery mode excitation

A robust and efficient bidirectional coupler for whispering gallery mode (WGM) excitation based on a long-period grating (LPG) inscribed in D-fiber is theoretically and experimentally demonstrated. The LPG coupling the fundamental core mode to the forward propagating cladding modes according to the...

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Veröffentlicht in:	Optics express 2023-01, Vol.31 (1), p.227-234
Hauptverfasser:	Chai, Jing, Shi, Leilei, Guo, Nan, Jin, Liyang, Li, Jiali, Bai, Miaoxin, Wei, Da, Huang, Wei, Liu, Min, Zhu, Tao
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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