Higher order effect of regular pumping in lasers and masers

János A. Bergou, L. Davidovich, Miguel Orszag +3 more

Milan Odehnal

M. T. Cherpak

Shi-Yao Zhu, Marlan O. Scully, Chang Su

The higher-order terms in the expansion of ln(1 + pu) with respect to the pumping regularity p are considered. The effects of higher-order terms, due to regular pumping, on the photon statistics are found to be significant in maser cases, and can be neglected in laser cases. The right order approximation must be used to ensure correct results.

Shi-Yao Zhu, Muhammad Suhail Zubairy, Chang Su +1 more

In laser systems, regular pumping always reduces the photon noise. In micromaser systems, however, regular pumping may lead to photon noise reduction as well as photon noise increase depending on the operation conditions. The effect of higher-order terms in the expansion of ln(1+pu) with respect to the pumping regularity parameter p is discussed. These terms have a significant effect on the photon statistics in micromaser systems. Their effect in laser systems is quite small compared with the second order and can be neglected.

Jacques Vanier