| Issue |
EPL
Volume 96, Number 1, October 2011
|
|
|---|---|---|
| Article Number | 14007 | |
| Number of page(s) | 5 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/96/14007 | |
| Published online | 22 September 2011 | |
Creation of “dark-soliton” atoms
Information Storage Materials Laboratory, Electrical and Computer Engineering Department, National University of Singapore - 4 Engineering Drive 3, Singapore 117576
Received:
6
May
2011
Accepted:
17
August
2011
Dark solitons are thought to always repel so that bound states of dark solitons do not form. We show that quantum fluctuations of the background induce attractive forces between dark optical solitons. We clarify the nature of these fluctuations. Together with the repulsive potential, this attractive force creates a potential similar to that in a diatomic molecule which allows for the formation of bound pairs of dark solitons. Such pairs can be useful in the creation of notch arrays and crystal-like structures.
PACS: 42.65.Tg – Optical solitons; nonlinear guided waves / 42.50.Lc – Quantum fluctuations, quantum noise, and quantum jumps / 12.20.-m – Quantum electrodynamics
© EPLA, 2011
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