Branching ratio measurement of a "Lambda" system in Tm3+:YAG under magnetic field

Abstract

A three-level Lambda system in Tm3+ doped YAG crystal is experimentally investigated in the prospect of quantum information processing. Zeeman effect is used to lift the nuclear spin degeneracy of this ion. In a previous paper [de Seze et al. Phys. Rev. B, 73, 85112 (2006) we measured the gyromagnetic tensor components and concluded that adequate magnetic field orientation could optimize the optical connection of both ground state sublevels to each one of the excited state sublevels, thus generating Lambda systems. Here we report on the direct measurement of the transition probability ratio along the two legs of the Lambda. Measurement techniques combine frequency selective optical pumping with optical nutation or photon echo processes.

References in corpus (5)

• Experimental long-lived entanglement of two macroscopic objects
• Storage and retrieval of single photons transmitted between remote quantum memories
• Generation of Nonclassical Photon Pairs for Scalable Quantum Communication with Atomic Ensembles
• Method of extending hyperfine coherence times in Pr^3+:Y_2SiO_5
• Experimental Tailoring of a Three-Level Lambda System in Tm3+:YAG

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