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Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Spectrum to distance mapping via nonlinear Airy pulses
Yi Hu1, Ming Li, Domenico Bongiovanni
1Institute National de la Recherche Scientifique-EMT, Varennes, Quebec, Canada.
Optics Letters
|February 6, 2013
Summary
This study explores self-phase modulation of Airy pulses in optical fibers. Researchers found that pulse peaks shift frequency during propagation, controllable via spectral phase, offering new methods for frequency control.
Area of Science:
- Nonlinear optics
- Fiber optics
- Wave propagation
Background:
- Airy pulses exhibit unique self-healing and non-diffracting properties.
- Self-phase modulation (SPM) is a key nonlinear optical phenomenon in optical fibers.
Purpose of the Study:
- To investigate the self-phase modulation of Airy pulses in optical fibers.
- To analyze the spectral dynamics and frequency shifting behavior of Airy pulses.
- To explore methods for controlling the frequency shift of Airy pulses.
Main Methods:
- Theoretical modeling of nonlinear pulse propagation.
- Experimental studies using optical fibers.
- Analysis of spectral component evolution.
Main Results:
- Airy pulses undergo self-phase modulation during nonlinear propagation in fibers.
- Spectral components concentrate into one or two peaks depending on the dispersion regime (normal or anomalous).
- Self-shifting of spectral peaks occurs, mapping propagation distance to frequency, controllable via spectral cubic phase.
Conclusions:
- The spectral peak self-shift in Airy pulses provides a mechanism for frequency domain mapping.
- Precise control over frequency shift is achievable by manipulating the spectral cubic phase structure.
- This offers a novel, fiber-length-independent method for controlling optical frequencies.
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