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AlxGa1-xAs double-heterostructure rib-waveguide injection laser

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4 Author(s)
Lee, T.P. ; Bell Telephone Laboratories,Holmdel, NJ, USA ; Burrus, C.A. ; Miller, B.I. ; Logan, R.A.

A "rib-guide" optical-waveguide structure proposed as a means of injection-laser transverse-mode control, independent of current distribution, has been demonstrated in an AlGaAs double-hereto-structure (DH) diode laser. The new structure showed stable single-transverse-mode operation at currents to twice threshold with small rib dimensions, and the observed higher order modes in large structures are in reasonable agreement with theory.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:11 ,  Issue: 7 )