= Morton B. Panish
{c}
= M. B. Panish
{c}
{synonym}
<Morton B. Panish> helped develop <semiconductor lasers> using a <double heterostructure>. A narrow-gap active layer between wider-gap semiconductor layers confines injected charge carriers and guides the emitted light. This combined electronic and optical confinement lowered the threshold sufficiently for continuous operation at room <temperature>.https://doi.org/10.1063/1.1653326[Hayashi, Panish, Foy and Sumski, Junction Lasers which Operate Continuously at Room Temperature, Applied Physics Letters17,109–111,1970]{ref}
A <chemist> who developed <semiconductor lasers> at Bell Laboratories.<Professional profile of Zhores Ivanovich Alferov>[Independent professional identity]{ref}
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