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

Authors
Type
Published Article
Journal
Optics Letters
1539-4794
Publisher
The Optical Society
Publication Date
Volume
40
Issue
11
Pages
2572–2575
Identifiers
DOI: 10.1364/OL.40.002572
PMID: 26030560
Source
Medline
License
Unknown

Abstract

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 (<0.03c) when pulse wavelength is selected in the vicinity of photonic bandgap.

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