We show that Si-Ge superlattices exhibit strong optical spectra in the far infrared which lie well outside the 1-2 micrometer band normally considered in the literature. We also predict that Si-Ge superlattices exhibit optical nonlinearities which might be used to design a number of device functions required for Si-based optoelectronics.
机构:
Xidian Univ, Sch Microelect, Minist Educ Wide Band Gap Semicond Mat & Devices, Key Lab, Xian 710071, Peoples R ChinaXidian Univ, Sch Microelect, Minist Educ Wide Band Gap Semicond Mat & Devices, Key Lab, Xian 710071, Peoples R China
Fan, Qingyang
Chai, Changchun
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Xidian Univ, Sch Microelect, Minist Educ Wide Band Gap Semicond Mat & Devices, Key Lab, Xian 710071, Peoples R ChinaXidian Univ, Sch Microelect, Minist Educ Wide Band Gap Semicond Mat & Devices, Key Lab, Xian 710071, Peoples R China
Chai, Changchun
Wei, Qun
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Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Peoples R ChinaXidian Univ, Sch Microelect, Minist Educ Wide Band Gap Semicond Mat & Devices, Key Lab, Xian 710071, Peoples R China
Wei, Qun
Zhou, Peikun
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Univ Paris Sud, Fac Sci, F-91400 Paris, FranceXidian Univ, Sch Microelect, Minist Educ Wide Band Gap Semicond Mat & Devices, Key Lab, Xian 710071, Peoples R China
Zhou, Peikun
Yang, Yintang
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Xidian Univ, Sch Microelect, Minist Educ Wide Band Gap Semicond Mat & Devices, Key Lab, Xian 710071, Peoples R ChinaXidian Univ, Sch Microelect, Minist Educ Wide Band Gap Semicond Mat & Devices, Key Lab, Xian 710071, Peoples R China
机构:
Univ Texas San Antonio, Dept Phys & Astron, One UTSA Circle, San Antonio, TX 78249 USAUniv Texas San Antonio, Dept Phys & Astron, One UTSA Circle, San Antonio, TX 78249 USA
Bonham, Brandon
Guisbiers, Gregory
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Univ Texas San Antonio, Dept Phys & Astron, One UTSA Circle, San Antonio, TX 78249 USAUniv Texas San Antonio, Dept Phys & Astron, One UTSA Circle, San Antonio, TX 78249 USA