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Power conversion efficiency of quantum dot laser diodes |
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| Authors: | A E Zhukov A R Kovsh S S Mikhrin N A Maleev V A Odnoblyudov V M Ustinov Yu M Shernyakov E Yu Kondrat’eva D A Livshits I S Tarasov N N Ledentsov P S Kop’ev Zh I Alferov D Bimberg |
| Affiliation: | 1. Ioffe Physicotechnical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia 2. Institut für Festk?rperphysik, Technische Universit?t Berlin, D-10623, Berlin, Germany |
| Abstract: | The power conversion efficiency of laser diodes with an array of quantum dots in the active region is analyzed. A model is proposed which allows analytical determination of the optimal cavity length corresponding to the highest conversion efficiency for a given output power. A comparison is made with experimental data for high-power lasers based on submonolayer quantum dots emitting at 0.94 µm. |
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