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Optics Communications

Optical adiabatic rapid passage by linear frequency chirping in ruby

Shunsuke Nakanishi, T. Endo, T. Muramoto, T. Hashi

Published Sep 1, 1981• 9 citations
Publisher
DOI
10.1016/0030-4018(81)90080-8

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An investigation of adiabatic rapid passage has been made in ruby at 8 mm wavelengths. Performance data are given on a two-level ruby maser operated both as a pulsed amplifier and as an oscillator at these wavelengths. When amplifying, values of gain and bandwidth of up to about 14 ds and 10 Mc/ s at 1-4° k were obtained, giving root gain-bandwidth products of up to about 50 Mc/ s. In preliminary experiments using the maser as an oscillator output powers of about 70 / z/ v at 33-1 Gc/ s were obtained at 1. 4° K. The inversion technique used, which incorporates magnetic field modulation with the use of the crystal as a cavity, could be readily scaled to considerably higher frequencies.

Journal of Electronics and Control•Jan 1, 1961•4 citations
Abstract We analyze the excitation of two ground state atoms to a double Rydberg state by a two-photon chirped optical pulse in the regime of adiabatic rapid passage (ARP). For intermediate Rydberg–Rydberg interaction strengths relevant for atoms separated by ∼ten μ m, adiabatic excitation can be achieved at experimentally feasible Rabi frequencies and chirp rates of the pulses, resulting in high transfer efficiencies. We also study the adiabatic transfer between ground and Rydberg states as a means to realize a controlled phase gate between atomic qubits.
An investigation of adiabatic rapid passage has been made in ruby at 8 mm wavelengths. Performance data are given on a two-level ruby maser operated both as a pulsed amplifier and as an oscillator at these wavelengths. When amplifying, values of gain and bandwidth of up to about 14 ds and 10 Mc/ s at 1-4° k were obtained, giving root gain-bandwidth products of up to about 50 Mc/ s. In preliminary experiments using the maser as an oscillator output powers of about 70 / z/ v at 33-1 Gc/ s were obtained at 1. 4° K. The inversion technique used, which incorporates magnetic field modulation with the use of the crystal as a cavity, could be readily scaled to considerably higher frequencies.