Related Experiment Videos
Controlled generation and steering of spatial gap solitons
Dragomir Neshev1, Andrey A Sukhorukov, Brendan Hanna
1Nonlinear Physics Centre and Laser Physics Centre, Centre for Ultra-high bandwidth Devices for Optical Systems (CUDOS), Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia.
Physical Review Letters
|September 28, 2004
Summary
Researchers generated immobile and slow spatial gap solitons in nonlinear periodic systems. They observed unique gap soliton features and anomalous steering effects in photonic lattices.
Area of Science:
- Nonlinear optics
- Condensed matter physics
- Photonics
Background:
- Nonlinear periodic systems exhibit unique optical phenomena.
- Gap solitons are a class of nonlinear waves in such systems.
- Understanding their behavior is crucial for optical device applications.
Purpose of the Study:
- To demonstrate the controlled generation of immobile and slow spatial gap solitons.
- To investigate the distinguishing features of gap solitons compared to discrete solitons.
- To explore the anomalous steering of gap solitons in photonic lattices.
Main Methods:
- Utilizing nonlinear periodic systems with band-gap spectra.
- Experimental and theoretical approaches for gap soliton generation and observation.
- Employing optically induced photonic lattices.
Main Results:
- First fully controlled generation of immobile and slow spatial gap solitons achieved.
- Observed dynamical transformation of gap solitons due to nonlinear interband coupling.
- Experimentally confirmed anomalous steering of gap solitons.
Conclusions:
- Spatial gap solitons can be controllably generated and manipulated.
- Nonlinear interband coupling leads to unique gap soliton dynamics.
- Anomalous steering offers new possibilities for optical beam control.