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Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
Cross talk free multi channel processing of 10 Gbit/s data via four wave mixing in a 1550 nm InAs/InP quantum dash
A Capua1, S O'Duill, V Mikhelashvili
1Electrical Engineering Department, Technion, Haifa 32000, Israel. acapua@tx.technion.ac.il
Optics Express
|July 8, 2009
Summary
This study shows successful multi-wavelength processing using a broadband quantum dash optical amplifier. Two signals were wavelength converted without crosstalk, demonstrating effective multichannel operation.
Area of Science:
- Photonics and Optical Engineering
- Semiconductor Devices
Background:
- Quantum dash optical amplifiers are key components in high-speed optical communication.
- Multi-wavelength signal processing is essential for increasing data transmission capacity.
Purpose of the Study:
- To demonstrate multi-wavelength processing in a 1550 nm quantum dash optical amplifier.
- To investigate the feasibility of crosstalk-free wavelength conversion for multiple signals.
Main Methods:
- Utilized a broadband 1550 nm quantum dash optical amplifier.
- Employed four-wave mixing (FWM) for individual wavelength conversion of two 10 Gbit/s signals separated by 30 nm.
- Analyzed the impact of high signal power on gain medium states and cross-FWM generation.
Main Results:
- Achieved individual wavelength conversion of two spectrally separated signals with no crosstalk.
- Observed depletion of high energy and wetting layer states at high signal power.
- Identified generation of cross-FWM components, which did not impact crosstalk-free operation under unequal detuning.
Conclusions:
- Broadband quantum dash optical amplifiers support crosstalk-free multi-wavelength processing.
- Signal power management is important to mitigate cross-FWM effects.
- The demonstrated technology is promising for advanced optical communication systems.
