OPTICAL BISTABILITY;
ZNS-ZNTE MQWS;
BAND FILLING EFFECT;
D O I:
10.1143/JJAP.34.1279
中图分类号:
O59 [应用物理学];
学科分类号:
摘要:
The optical bistability with picosecond switching time in ZnS-ZnTe/GaAs multiple quantum wells (MQWs) on reflection at room temperature has been studied for the first time. The research results indicate that the switching threshold from high to low state and contrast ratio for the optical bistability are about 1.2 MW/cm(2) and 3:1, respectively. The major nonlinear mechanism for the optical bistability is due to the change of refractive index caused by the band filling effect.
机构:
Dalian Univ Technol, State Key Lab Mat Modificat Laser Ion Electron Be, Dalian 116024, Peoples R ChinaDalian Univ Technol, State Key Lab Mat Modificat Laser Ion Electron Be, Dalian 116024, Peoples R China
Sun, C. W.
Xin, P.
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机构:
Dalian Univ Technol, State Key Lab Mat Modificat Laser Ion Electron Be, Dalian 116024, Peoples R ChinaDalian Univ Technol, State Key Lab Mat Modificat Laser Ion Electron Be, Dalian 116024, Peoples R China
Xin, P.
Liu, Z. W.
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机构:
Dalian Univ Technol, State Key Lab Mat Modificat Laser Ion Electron Be, Dalian 116024, Peoples R ChinaDalian Univ Technol, State Key Lab Mat Modificat Laser Ion Electron Be, Dalian 116024, Peoples R China
Liu, Z. W.
Zhang, Q. Y.
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机构:
Dalian Univ Technol, State Key Lab Mat Modificat Laser Ion Electron Be, Dalian 116024, Peoples R ChinaDalian Univ Technol, State Key Lab Mat Modificat Laser Ion Electron Be, Dalian 116024, Peoples R China