Slow-light all-optical soliton diode based on tailored Bragg-grating structure

An all optical soliton diode (AOSD) is proposed based on a sandwich nonlinear Bragg-grating structure: a linearly chirped Bragg-grating linked to a uniform Bragg-grating and again to a chirped Bragg-grating. The nonreciprocity is achieved by introducing two spatially asymmetric chirped Bragg-grating...

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Veröffentlicht in:	arXiv.org 2015-05
Hauptverfasser:	Li, Hongji, Deng, Zhigui, Huang, Jiasheng, Fu, Shenhe, Li, Yongyao
Format:	Artikel
Sprache:	eng
Schlagworte:	Gratings (spectra) Nonlinearity Photonic band gaps Photonics Physics - Optics Physics - Pattern Formation and Solitons Solitary waves
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Zusammenfassung:	An all optical soliton diode (AOSD) is proposed based on a sandwich nonlinear Bragg-grating structure: a linearly chirped Bragg-grating linked to a uniform Bragg-grating and again to a chirped Bragg-grating. The nonreciprocity is achieved by introducing two spatially asymmetric chirped Bragg-gratings with optical nonlinearity. High transmission ratio up to 150 is obtained when launching a picosecond Gaussian pulse into the setting. We find that such pulses in a form of solitons propagate at a rather small velocity (\(
ISSN:	2331-8422
DOI:	10.48550/arxiv.1505.02660