We studied the effects of a composition-changing emission region on the emission spectrum using an InGaAsP multiple-quantum-well edge-emitting light-emitting diode (ELED), The ELED was fabricated by selective-area growth using a gradually changing mask stripe width. The spectral half-width exceeded 120 nm at an ambient temperature of 25 degrees C, offering a wider spectrum than that of conventional Light-emitting diodes.
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Univ Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1138656, Japan
Univ Tokyo, Sch Engn, Dept Elect Engn & Informat Syst, Bunkyo Ku, Tokyo 1138656, JapanUniv Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1138656, Japan
Shioda, Tomonari
Sugiyama, Masakazu
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Univ Tokyo, Sch Engn, Dept Elect Engn & Informat Syst, Bunkyo Ku, Tokyo 1138656, JapanUniv Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1138656, Japan
Sugiyama, Masakazu
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Shimogaki, Yukihiro
Nakano, Yoshiaki
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Univ Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1138656, Japan
Univ Tokyo, Sch Engn, Dept Elect Engn & Informat Syst, Bunkyo Ku, Tokyo 1138656, JapanUniv Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1138656, Japan
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Tsinghua National Laboratory on Information Science and Technology and Department of Electronic Engineering,Tsinghua UniversityTsinghua National Laboratory on Information Science and Technology and Department of Electronic Engineering,Tsinghua University