Summary form only given. In this paper, we present coherent optical effects in a quantum well system with two electron subbands coupled by a pump laser. The Coulomb and light induced electronic renormalization is investigated with generalized density-functional theory. On the basis of the renormalized electron states, the absorption coefficient of a probe light beam is studied for intersubband transition by using a self-consistent field theory. Both the electromagnetically induced transparency (EMIT) and probe light amplification without population inversion are found.


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    Title :

    Electromagnetically induced transparency and lasing without population inversion in semiconductor quantum wells


    Contributors:
    Yang Zhao (author) / Danhong Huang (author) / Cunkai Wu (author)

    Published in:

    Proceedings of LEOS'94 ; 1 ; 173-174 vol.1


    Publication date :

    1994-01-01


    Size :

    157567 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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