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In quantum optics, correlation functions are used to characterize the statistical and coherence properties of an electromagnetic field. The degree of coherence is the normalized correlation of electric fields; in its simplest form, termed . It is useful for quantifying the coherence between two electric fields, as measured in a Michelson or other linear optical interferometer. The correlation between pairs of fields, , typically is used to find the statistical character of intensity fluctuations. First order correlation is actually the amplitude-amplitude correlation and the second order correlation is the intensity-intensity correlation. It is also used to differentiate between states of light that require a quantum mechanical description and those for which classical fields are sufficien

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  • Grau de coherència (ca)
  • Grado de coherencia (es)
  • Degree of coherence (en)
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  • In quantum optics, correlation functions are used to characterize the statistical and coherence properties of an electromagnetic field. The degree of coherence is the normalized correlation of electric fields; in its simplest form, termed . It is useful for quantifying the coherence between two electric fields, as measured in a Michelson or other linear optical interferometer. The correlation between pairs of fields, , typically is used to find the statistical character of intensity fluctuations. First order correlation is actually the amplitude-amplitude correlation and the second order correlation is the intensity-intensity correlation. It is also used to differentiate between states of light that require a quantum mechanical description and those for which classical fields are sufficien (en)
  • En óptica cuántica, las se utilizan para caracterizar las propiedades estadísticas y de coherencia de un campo electromagnético. El grado de coherencia es la correlación normalizada de campos eléctricos. En su forma más sencilla, denotado , es útil para cuantificar la coherencia entre dos campos eléctricos, cuando se miden en un interferómetro de Michelson o cualquier otro interferómetro óptico lineal. La correlación entre pares de campos, , se utiliza típicamente para conocer el carácter estadístico de fluctuaciones de intensidad. La correlación de primer orden es de hecho la correlación amplitud-amplitud y la de segundo orden es la correlación de intensidad-intensidad. También se utiliza para diferenciar entre estados de luz que requieren una descripción cuántica y aquellos para los que (es)
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  • In quantum optics, correlation functions are used to characterize the statistical and coherence properties of an electromagnetic field. The degree of coherence is the normalized correlation of electric fields; in its simplest form, termed . It is useful for quantifying the coherence between two electric fields, as measured in a Michelson or other linear optical interferometer. The correlation between pairs of fields, , typically is used to find the statistical character of intensity fluctuations. First order correlation is actually the amplitude-amplitude correlation and the second order correlation is the intensity-intensity correlation. It is also used to differentiate between states of light that require a quantum mechanical description and those for which classical fields are sufficient. Analogous considerations apply to any Bose field in subatomic physics, in particular to mesons (cf. Bose–Einstein correlations). (en)
  • En óptica cuántica, las se utilizan para caracterizar las propiedades estadísticas y de coherencia de un campo electromagnético. El grado de coherencia es la correlación normalizada de campos eléctricos. En su forma más sencilla, denotado , es útil para cuantificar la coherencia entre dos campos eléctricos, cuando se miden en un interferómetro de Michelson o cualquier otro interferómetro óptico lineal. La correlación entre pares de campos, , se utiliza típicamente para conocer el carácter estadístico de fluctuaciones de intensidad. La correlación de primer orden es de hecho la correlación amplitud-amplitud y la de segundo orden es la correlación de intensidad-intensidad. También se utiliza para diferenciar entre estados de luz que requieren una descripción cuántica y aquellos para los que los campos clásicos son suficientes. Consideraciones análogas son aplicables a cualquier campo de Bose en física subatómica, en particular a mesones (cf. correlaciones de Bose–Einstein). (es)
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