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In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation
Published on: May 27, 2013
Continuous-wave four-wave mixing in cm-long Chalcogenide microstructured fiber.
Camille-Sophie Brès1, Sanja Zlatanovic, Andreas O J Wiberg
1Institute of Electrical Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland. camille.bres@epfl.ch
Optics Express
|January 26, 2012
Summary
We demonstrated broadband four-wave mixing using chalcogenide microstructured fiber for efficient wavelength conversion. This enables ultrafast signal processing, crucial for advanced optical communication systems.
Area of Science:
- Optics and Photonics
- Materials Science
- Nonlinear Optics
Background:
- Chalcogenide microstructured fibers offer unique nonlinear optical properties.
- Four-wave mixing (FWM) is a key nonlinear process for optical signal processing.
- Continuous-wave (CW) pump sources are desirable for wavelength conversion applications.
Purpose of the Study:
- To experimentally demonstrate broadband four-wave mixing (FWM) in a chalcogenide microstructured fiber.
- To investigate the potential of this platform for ultrafast signal processing and wavelength conversion.
- To characterize the FWM performance under specific pump and signal power conditions.
Main Methods:
- Utilized a 2.5 cm-long AsSe chalcogenide microstructured fiber.
- Employed a continuous-wave (CW) pump laser and a signal source.
- Measured FWM products using optical spectrum analysis.
- Verified ultrafast signal processing by wavelength converting picosecond pulses.
Main Results:
- Achieved broadband FWM with products spanning over 70 nm on the anti-Stokes side.
- Demonstrated efficient wavelength conversion using 345 mW of pump power and 1.5 dBm of signal power.
- Successfully performed wavelength conversion of 1.4 ps pulses at an 8 GHz repetition rate.
Conclusions:
- Chalcogenide microstructured fibers are suitable for broadband FWM.
- The demonstrated FWM process is effective for ultrafast optical signal processing.
- This technique holds promise for future optical communication and signal processing applications.
