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20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

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Nonlinear spectral blueshift in semiconductor optical amplifiers.

A E Bednyakova, D Khudozhitkova, A Kokhanovskiy

|October 1, 2021

Summary

This summary is machine-generated.

Negatively chirped optical pulses experience a blueshift after amplification in semiconductor optical amplifiers. This wavelength shift can reach 20 nm, impacting optical communications and spectroscopy.

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Area of Science:

Optics and Photonics
Semiconductor Physics

Background:

Semiconductor optical amplifiers (SOAs) are crucial for optical signal amplification.
Understanding pulse dynamics within SOAs is essential for advanced optical systems.

Purpose of the Study:

To investigate the spectral peak power shift of negatively chirped optical pulses after amplification.
To quantify the blueshift effect in optical pulses propagated through single-mode fiber and SOAs.

Main Methods:

Experimental demonstration of pulse amplification using a semiconductor optical amplifier.
Propagation of negatively chirped optical pulses through single-mode fiber.
Spectral analysis of optical pulses before and after amplification.

Main Results:

Observed a significant blueshift in the spectral peak power of negatively chirped optical pulses.
Demonstrated a central wavelength translation of over 20 nm towards shorter wavelengths.
Quantified a 5 THz blueshift for a 1 ps chirped Gaussian pulse (C=-20).

Conclusions:

Semiconductor optical amplifiers can induce a blueshift in negatively chirped optical pulses.
The observed blueshift has implications for wavelength control in optical communication systems.
This phenomenon offers potential for manipulating optical pulse spectra in fiber-optic applications.