Summary form only given. One simple approach to achieve cascade laser diodes is to lithographically series connect individual devices. We report the first lithographic cascade VCSEL arrays which exhibit > 100% differential quantum efficiency. We present measurements of the light output into a broad area detector versus injection current into the cascade VCSEL arrays. The output power increases approximately linearly with the number of array elements, and arrays with 4 or more VCSELs exhibit > 100% differential quantum efficiency. These initial results indicate that lithographic cascade VCSEL arrays show promise for low cost optical links.


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    Title :

    Cascade vertical cavity surface emitting laser arrays


    Contributors:
    Choquette, K.D. (author) / Young, E. (author) / Geib, K. (author) / Serkland, D. (author) / Allerman, A. (author) / Cox, C. (author) / Ackerman, E. (author) / Roussell, H. (author)


    Publication date :

    2002-01-01


    Size :

    174824 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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