Efficient non-linear two-photon effects from the Cesium 6D manifold

Nathan D. Haluska; Glen P. Perram; Christopher A. Rice

doi:10.1117/12.2290425

15 February 2018 Efficient non-linear two-photon effects from the Cesium 6D manifold

Nathan D. Haluska, Glen P. Perram, Christopher A. Rice

Proceedings Volume 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII; 1051606 (2018) https://doi.org/10.1117/12.2290425
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

We report several non-linear process that occur when two-photon pumping the cesium 6D states. Cesium vapor possess some of the largest two-photon pump cross sections in nature. Pumping these cross sections leads to strong amplified spontaneous emission that we observe on over 17 lasing lines. These new fields are strong enough to couple with the pump to create additional tunable lines. We use a heat pipe with cesium densities of 10¹⁴ to 10¹⁶ cm^-3 and 0 to 5 Torr of helium buffer gas. The cesium 6D States are interrogated by both high energy pulses and low power CW sources. We observe four-wave mixing, six-wave mixing, potential two-photon lasing, other unknown nonlinear processes, and the persistence of some processes at low thresholds. This system is also uniquely qualified to support two-photon lasing under the proper conditions.

Conference Presentation

Citation Download Citation

Nathan D. Haluska, Glen P. Perram, and Christopher A. Rice "Efficient non-linear two-photon effects from the Cesium 6D manifold", Proc. SPIE 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII, 1051606 (15 February 2018); https://doi.org/10.1117/12.2290425

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