The numerical investigation of colliding optical solitons as an all-optical-gate using the method of Lines

The bidirectional propagation and collision of counter-propagating optical solitons in a two-level resonant medium is analyzed. For sufficiently short duration of the pulses and sufficiently high power levels, self-induced transparency allows the pulses to propagate without losses at anomalously low...

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Bibliographic Details
Published in:Optical and quantum electronics 2019-05, Vol.51 (5), p.1-22, Article 131
Main Authors: Spiller, Waldemar, Helfert, Stefan F., Jahns, Jürgen
Format: Article
Language:English
Subjects:
2018 - Optical Wave and Waveguide Theory and Numerical Modelling
Characterization and Evaluation of Materials
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Computer Communication Networks
Computer simulation
COMPUTERIZED SIMULATION
Electrical Engineering
Electromagnetic fields
INTERPOLATION
Lasers
Mathematical models
Method of lines
OPACITY
Optical Devices
Optical switching
Optics
Photonics
Physics
Physics and Astronomy
QUANTIZATION
QUANTUM MECHANICS
SEMICLASSICAL APPROXIMATION
Solitary waves
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Summary:The bidirectional propagation and collision of counter-propagating optical solitons in a two-level resonant medium is analyzed. For sufficiently short duration of the pulses and sufficiently high power levels, self-induced transparency allows the pulses to propagate without losses at anomalously low velocities. Here, we use an extended semiclassical approach, called Maxwell–Bloch model. The quantization of the electromagnetic field is neglected, however, a full quantum mechanical formulation is used to describe the behavior of the matter. The numerical simulations are performed by using the method of lines. For improved accuracy, spline interpolation of the fields is introduced. Results are presented to demonstrate the use of soliton collision for all-optical switching, in particular, as OR- and XOR-gates.
ISSN:0306-8919
1572-817X
DOI:10.1007/s11082-019-1785-0