Possibility of using BeMgZnSe as a new cladding material for ZnSe-based blue laser diodes

D. C. Kim; J. H. Choi; K. H. Yoo; T. W. Kim; T. Yao

Possibility of using BeMgZnSe as a new cladding material for ZnSe-based blue laser diodes

D. C. Kim, J. H. Choi, K. H. Yoo, T. W. Kim, T. Yao

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We calculated the gain and the radiative recombination current density of ZnSe/ Be _xMg _yZ _1-x-ySe/Be _x′/Mg _y′Zn _1-x′-y′Se separate confinement, heterostructure (SCH) laser diodes and compared the results with those for the more popular ZnSe/Zn _1-xMg _xS _ySe _1-y/ Zn _1-x′Mg _x′S _y′Sc _1-y′ system. For five different values of the cladding-layer energy gap (E _g,c), we sought the optimum SCH structure that had a minimum threshold current density for both quaternaries, and we compared the corresponding current densities. For the same E _g,c, ZnMgSSe was found to have a smaller threshold current density. The threshold current density decreased rapidly with increasing E _g,c in both materials. Therefore, if the available energy gap of the BeMgZnSe cladding is larger than that of ZnMgSSe, BeMgZnSe may be the better choice.

Original language	English
Pages (from-to)	334-338
Number of pages	5
Journal	Journal of the Korean Physical Society
Volume	35
Issue number	4
Publication status	Published - 1999

Cite this

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title = "Possibility of using BeMgZnSe as a new cladding material for ZnSe-based blue laser diodes",

abstract = "We calculated the gain and the radiative recombination current density of ZnSe/ Be xMg yZ 1-x-ySe/Be x′/Mg y′Zn 1-x′-y′Se separate confinement, heterostructure (SCH) laser diodes and compared the results with those for the more popular ZnSe/Zn 1-xMg xS ySe 1-y/ Zn 1-x′Mg x′S y′Sc 1-y′ system. For five different values of the cladding-layer energy gap (E g,c), we sought the optimum SCH structure that had a minimum threshold current density for both quaternaries, and we compared the corresponding current densities. For the same E g,c, ZnMgSSe was found to have a smaller threshold current density. The threshold current density decreased rapidly with increasing E g,c in both materials. Therefore, if the available energy gap of the BeMgZnSe cladding is larger than that of ZnMgSSe, BeMgZnSe may be the better choice.",

author = "Kim, {D. C.} and Choi, {J. H.} and Yoo, {K. H.} and Kim, {T. W.} and T. Yao",

year = "1999",

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T1 - Possibility of using BeMgZnSe as a new cladding material for ZnSe-based blue laser diodes

AU - Kim, D. C.

AU - Choi, J. H.

AU - Yoo, K. H.

AU - Kim, T. W.

AU - Yao, T.

PY - 1999

Y1 - 1999

N2 - We calculated the gain and the radiative recombination current density of ZnSe/ Be xMg yZ 1-x-ySe/Be x′/Mg y′Zn 1-x′-y′Se separate confinement, heterostructure (SCH) laser diodes and compared the results with those for the more popular ZnSe/Zn 1-xMg xS ySe 1-y/ Zn 1-x′Mg x′S y′Sc 1-y′ system. For five different values of the cladding-layer energy gap (E g,c), we sought the optimum SCH structure that had a minimum threshold current density for both quaternaries, and we compared the corresponding current densities. For the same E g,c, ZnMgSSe was found to have a smaller threshold current density. The threshold current density decreased rapidly with increasing E g,c in both materials. Therefore, if the available energy gap of the BeMgZnSe cladding is larger than that of ZnMgSSe, BeMgZnSe may be the better choice.

AB - We calculated the gain and the radiative recombination current density of ZnSe/ Be xMg yZ 1-x-ySe/Be x′/Mg y′Zn 1-x′-y′Se separate confinement, heterostructure (SCH) laser diodes and compared the results with those for the more popular ZnSe/Zn 1-xMg xS ySe 1-y/ Zn 1-x′Mg x′S y′Sc 1-y′ system. For five different values of the cladding-layer energy gap (E g,c), we sought the optimum SCH structure that had a minimum threshold current density for both quaternaries, and we compared the corresponding current densities. For the same E g,c, ZnMgSSe was found to have a smaller threshold current density. The threshold current density decreased rapidly with increasing E g,c in both materials. Therefore, if the available energy gap of the BeMgZnSe cladding is larger than that of ZnMgSSe, BeMgZnSe may be the better choice.

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AN - SCOPUS:0033412460

SN - 0374-4884

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JO - Journal of the Korean Physical Society

JF - Journal of the Korean Physical Society

IS - 4

ER -

Possibility of using BeMgZnSe as a new cladding material for ZnSe-based blue laser diodes

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