9 February 2009 Talbot effect in phase-only sampled and arbitrarily chirped fiber Bragg gratings
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In this work, we demonstrate that the spectral self-imaging phenomenon is not restricted to phase-only sampled and linearly chirped fiber Bragg gratings(LCFBGs), rather they can be implemented in phase-only sampled fiber Bragg gratings (FBGs) with an arbitrarily chirped grating period. We derive the general conditions at which spectral Talbot phenomenon, namely, integer and fractional spectral self-imaging occurs. The multiplication of spectral channels, respectively in the linear, square and cubic chirp coefficient conditions, and/or together, are implemented and observed in phase-only sampled FBGs with both integer and fractional types using the transfer matrix method.
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Yuling Lu, Yuling Lu, Chinhua Wang, Chinhua Wang, Xiaojun Zhu, Xiaojun Zhu, "Talbot effect in phase-only sampled and arbitrarily chirped fiber Bragg gratings", Proc. SPIE 7158, 2008 International Conference on Optical Instruments and Technology: Microelectronic and Optoelectronic Devices and Integration, 71581G (9 February 2009); doi: 10.1117/12.811833; https://doi.org/10.1117/12.811833

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