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Slow light based on stimulated Raman scattering in an integrated liquid-core optical fiber filled with CS2
Oscar D Herrera1, L Schneebeli, K Kieu
1College of Optical Sciences, University of Arizona, Tucson, AZ 85721, USA. Oherrera@optics.arizona.edu
Optics Express
|April 11, 2013
Summary
Researchers developed a compact fiber-optic system using carbon disulfide in an integrated liquid-core optical fiber to achieve slow light. This system significantly delays optical pulses, showing promise for telecommunication applications.
Area of Science:
- Photonics and Optical Engineering
- Nonlinear Optics
- Materials Science
Background:
- Slow light phenomena enable significant light pulse delays.
- Integrated liquid-core optical fibers offer tunable optical properties.
- Carbon disulfide (CS2) exhibits strong nonlinear optical effects.
Purpose of the Study:
- To demonstrate a fiber-based slow light system using CS2-filled i-LCOF.
- To experimentally measure pulse delay and validate numerical simulations.
- To explore potential applications in telecommunications.
Main Methods:
- Fabrication of a 1-meter CS2-filled integrated liquid-core optical fiber (i-LCOF).
- Experimental measurement of pulse delay for 18 picosecond (ps) pulses.
- Numerical simulations using pulse-propagation equations.
Main Results:
- Achieved a pulse delay of 34 ps for 18 ps pulses, a 188% delay of the pulse width.
- Experimental results were confirmed by numerical simulations.
- Presented a simplified method for calculating induced delay for non-continuous wave (non-cw) Stokes pulses.
Conclusions:
- The all-fiber, compact slow light system demonstrates significant pulse delays.
- The system provides a foundation for slow-light studies in other nonlinear liquids.
- Potential applications include ultrafast controllable delay lines for multi-gigabit-per-second telecommunication systems.
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