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http://dx.doi.org/10.3807/KJOP.2003.14.3.279

Theoretical and experimental analysis of modal gain in asymmetric multiple quantum well laser diodes  

권오기 (한국전자통신연구원 반도체 광통신소자 연구부)
김강호 (한국전자통신연구원 반도체 광통신소자 연구부)
김현수 (한국전자통신연구원 반도체 광통신소자 연구부)
김종회 (한국전자통신연구원 반도체 광통신소자 연구부)
오광룡 (한국전자통신연구원 반도체 광통신소자 연구부)
Publication Information
Korean Journal of Optics and Photonics / v.14, no.3, 2003 , pp. 279-285 More about this Journal
Abstract
Wide- and flat-gain laser diodes were designed and fabricated from asymmetric multiple quantum well (AMQW) structures which consist of three compressively strained InGaAsP wells of different thicknesses. For a 400 ${\mu}{\textrm}{m}$-long lasers with as-cleaved facets, -1 ㏈ and -3 ㏈ gain bandwidth were 45 nm and 80 nm, respectively. For this AMQW structure, calculated gain spectra with various line broadening functions were compared with experimental results. We confirmed the calculated gain spectra using an asymmetric line broadening function were in good agreement with the measured data.
Keywords
asymmetric multiple quantum well; modal gain; line broadening function; broad gain LD;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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