Using electric fields for pulse compression and group velocity control

In this article, we experimentally demonstrate a new way of controlling the group velocity of an optical pulse by using a combination of spectral hole burning, slow light effect and linear Stark effect in a rare-earth-ion-doped crystal. The group velocity can be changed continuously by a factor of 2...

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Bibliographic Details
Published in:arXiv.org 2016-10
Main Authors: Li, Qian, Kinos, Adam, Thuresson, Axel, Rippe, Lars, Kröll, Stefan
Format: Article
Language:English
Subjects:
Doped crystals
Electric fields
Group velocity
Hole burning
Pulse compression
Quantum phenomena
Rare earth elements
Stark effect
Time compression
Velocity
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Summary:In this article, we experimentally demonstrate a new way of controlling the group velocity of an optical pulse by using a combination of spectral hole burning, slow light effect and linear Stark effect in a rare-earth-ion-doped crystal. The group velocity can be changed continuously by a factor of 20 without significant pulse distortion or absorption of the pulse energy. With a similar technique, an optical pulse can also be compressed in time. Theoretical simulations were developed to simulate the group velocity control and the pulse compression processes. The group velocity as well as the pulse reshaping are solely controlled by external voltages which makes it promising in quantum information and quantum communication processes. It is also proposed that the group velocity can be changed even more in an Er doped crystal while at the same time having a transmission band matching the telecommunication wavelength.
ISSN:2331-8422
DOI:10.48550/arxiv.1610.03846