Quantum dot laser diode with low threshold and low internal loss

    Authors

    D. G. Deppe; K. Shavritranuruk; G. Ozgur; H. Chen;S. Freisem

    Comments

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    Abstract

    Data are presented demonstrating that a low-threshold quantum dot laser diode can achieve very low internal optical loss. The broad-area laser diode operates at the wavelength 1.22 mm and delivers 2 W of power from a 1.6 cm-long cavity with uncoated facets, with a lasing threshold current density of 10.4 A/cm(2). The laser diode's internal waveguide loss is extracted from cavity length measurements to be similar to 0.25 cm(-1). The interdependence of threshold current density and internal optical loss is discussed.

    Journal Title

    Electronics Letters

    Volume

    45

    Issue/Number

    1

    Publication Date

    1-1-2009

    Document Type

    Article

    First Page

    54

    Last Page

    55

    WOS Identifier

    WOS:000262271100035

    ISSN

    0013-5194

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