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Room temperature CW operation at the ground state of self-formed quantum dot lasers with multi-stacked dot layer

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7 Author(s)
Shoji, H. ; Fujitsu Labs. Ltd., Atsugi, Japan ; Nakata, Y. ; Mukai, K. ; Sugiyama, Y.
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Room temperature CW operation at the ground state has been achieved in self-formed InGaAs quantum dot lasers with a multi-stacked dot layer. By systematic investigation, discontinuous shifts of lasing wavelength from high-order sub-bands to the ground state are clearly demonstrated by varying the number of dot layers and the cavity loss

Published in:

Electronics Letters  (Volume:32 ,  Issue: 21 )