An investigation of slow light and time delay-bandwitdth in Pr3+:Y2SiO5 by using the persistent spectral hole burning technique
Nan Lin
This master's thesis evaluates the performance of Pr 3+ :Y 2 SiO 5 in slow light by utilizing Persistent Spectral Hole Burning (PSHB), i.e. the extremely slow group velocity as well as the time delay-bandwidth product.A novel method that can be used to measure the high optical depth (αL) value is also tested in Pr 3+ :Y 2 SiO 5 .This Pr 3+ :Y 2 SiO 5 crystal has many brilliant properties for the slow light aspect, such as its high optical depth and the multipass design, which gives it the potential for obtaining a high time delay-bandwidth.Moreover, the spectral hole is created by spectral hole burning and do not need a strong coupling beam applied simultaneous with the probe beam, which avoids the obstruction to the weak signal.This thesis gives basic ideas for obtaining a slow group velocity of light and achieving a high time delay-bandwidth by applying PSHB.And the implements in Pr 3+ :Y 2 SiO 5 were done in the experiments.Some difficulties and suggestions for solution are discussed.The suggestion of the future work is also given. Conclusion and outlook 45
Lund reports on atomic physics•Jan 1, 2010•0 citations