Ripple-free high-power super-luminescent diode arrays


Causa, F. and Burrow, L., 2007. Ripple-free high-power super-luminescent diode arrays. IEEE Journal of Quantum Electronics, 43 (11-12), pp. 1055-1059.

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    This paper presents the experimental and theoretical characterisation of arrays of tapered super-luminescent diodes to achieve very high, broad-band, ripple-free optical output. These arrays were fabricated from 980-nm high-power triple-quantumwell InGaAs–AlGaAs double heterostructures. Output powers of 2.7 W pulsed and of 280-mW quasi-CW were obtained from antireflection- coated arrays, with 10% maximum wall-plug efficiency per pulse at 0.75-W pulsed output power. Experimental and theoretical results for the optical-electrical characteristics and the near and far-field radiation characteristics of the arrays are discussed and compared with those of corresponding individual super-luminescent diodes.


    Item Type Articles
    CreatorsCausa, F.and Burrow, L.
    Uncontrolled Keywordshigh-power,near and far fields,super-luminescent diodes,ripple-free spectrum,arrays
    DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
    ID Code391
    Additional Information©2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.


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