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The stability of an ion-trap laser

Guzman, R, Miguel Orszag

Published Jan 1, 2002• 0 citations
OpenAlex

Abstract

In this work we study the trapped ion in a Paul Trap, and placed in a cavity. Interactions between cavity and ion, permits transfer squeezing from phonons to photons, through an electronic pump (which is coherent), and a particular phonon pump. We also discus stability of the stationary states of the system.

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We demonstrate a trapped-ion system with two competing dissipation channels, implemented independently on two ion species cotrapped in a Paul trap. By controlling coherent spin-oscillator couplings and optical pumping rates we explore the phase diagram of this system, which exhibits a regime analogous to that of a (phonon) laser but operates close to the quantum ground state with an average phonon number of n[over ¯]<10. We demonstrate phase locking of the oscillator to an additional resonant drive, and also observe the phase diffusion of the resulting state under dissipation by reconstructing the quantum state from a measurement of the characteristic function.