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Loss-tunable long period fibre grating made from etched corrugation structure

Loss-tunable long period fibre grating made from etched corrugation structure

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Published

A new long period fibre grating (LPFG) is demonstrated, for which the transmission loss at the resonance peak can be tuned from 1.2 to 29 dB after fabrication. For such a large tuning range, the shift of the peak loss wavelength is < 2.2 nm. The tunability is obtained by adjusting the amount of stress applied to the LPFG, composed of an etched corrugation structure. No light exposure is required.

Inspec keywords: optical fibres; Bragg gratings; optical tuning

Other keywords: peak loss wavelength; tuning range; resonance peak; 1.2 to 29 dB; etched corrugation structure; transmission loss; LPFG; loss-tunable long period fibre grating; tunability

Subjects: Fibre optics; Gratings, echelles; Optical fibre fabrication, cladding, splicing, joining

References

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