2013
DOI: 10.1364/oe.21.001512
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Physical interpretation for the correlation spectra of electromagnetically-induced-transparency resonances

Abstract: The phenomenon called Electromagnetically Induced Transparency (EIT) may induce different types of correlation between two optical fields interacting with an ensemble of atoms. It is presently well known, for example, that in the vicinity of an EIT resonance the dominant correlations at low powers turn into anti-correlations as power increases. Such correlation spectra present striking power-broadening-independent features, with the best condition for measuring the characteristic linewidth occurring at the hig… Show more

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Cited by 14 publications
(55 citation statements)
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“…The experimental result that the central EIT intensity correlation peak broadens with optical power is a challenge to the simple theories describing EIT-noise correlation, as their numerical evaluation does not include a priori predictions of this behavior. In fact, the central noise correlation peak has been shown in experiment and theory to be impervious to broadening at low powers even as the underlying EIT peaks themselves suffer from power-broadening [15,17]. A relationship between the laser's RIN and power broadening of the correlation peak has been established experimentally and modeled theoretically in [14].…”
Section: Role Of Buffer Gas Pressurementioning
confidence: 99%
See 1 more Smart Citation
“…The experimental result that the central EIT intensity correlation peak broadens with optical power is a challenge to the simple theories describing EIT-noise correlation, as their numerical evaluation does not include a priori predictions of this behavior. In fact, the central noise correlation peak has been shown in experiment and theory to be impervious to broadening at low powers even as the underlying EIT peaks themselves suffer from power-broadening [15,17]. A relationship between the laser's RIN and power broadening of the correlation peak has been established experimentally and modeled theoretically in [14].…”
Section: Role Of Buffer Gas Pressurementioning
confidence: 99%
“…Simple theory models of EIT noise generally start with analysis of a single-site three-level system, either treating the time evolution of the coherences that contribute to the EIT noise directly or as an ensemble average over static responses of such a system, see [15,17,25,28]. In this manuscript we use the latter approach.…”
Section: Magnetic Field Gradientsmentioning
confidence: 99%
“…In this case we treat the light as classical single mode field and then calculate/measure the relevant properties of the light after exiting the medium. [8][9][10][11][12][13]. Less coherent sources, such as the generic free running semiconductor laser diode used in this experiment, have broad frequency spectra (≈ 80 MHz) and the resulting EIT atom-light interaction is not well modelled in terms of polarization states of a single optical mode.…”
Section: Introductionmentioning
confidence: 99%
“…EIT intensity noise correlation spectra can be well modelled with a theory based on a reduced number of optical modes and are interesting spectroscopic probes [8][9][10][11][12][13]. They are understood as examples of the more general process of phase noise to amplitude noise conversion in atomic systems [14,15].…”
Section: Introductionmentioning
confidence: 99%
“…Após a montagem do sistema de captura de imagem para medir a temperatura da nuvem e das primeiras espectroscopias de estados vestidos da nuvem, em 2010 tive a oportunidade de começar a montagem para obter EIT na nuvem deátomos frios. Em 2013 fomos os primeiros a fazer uma ampla análise espectroscópica da correlação em condição de EIT emátomos frios [43,44], em colaboração com o grupo de física deátomos frios da Universidade Federal de Pernambuco (UFPE). Nesta interface empregamos um laser de diodo para gerar dois feixes que interagem em condição de EIT com uma nuvem deátomos frios numa MOT (ver figura 5).…”
Section: Introductionunclassified