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| 单词 | quantum well |
| 释义 | > as lemmasquantum well quantum well n. a potential well in which electrons and holes are constrained to move in two dimensions only, typically by sandwiching an atomic layer of a semiconductor between layers of a material with a wider band gap, leading to a sharper density of states than in the bulk semiconductor; frequently attributive. ΚΠ 1978 Appl. Physics Lett. 32 295/2 This is the first report of injection laser operation associated with quantum-well states in Ga(1−x)Alx-GaAs DH [= double-heterostructure] lasers with single-quantum-well active layers. 1993 C. H. Henry in P. S. Zory Quantum Well Lasers 2 The ability to vary the lasing wavelength merely by changing the width of the quantum well. 2000 Wu Yingjian in P. Conceição et al. Sci., Technol. & Innovation Policy xxvi. 423 They are now able to produce different wavelength and multipurpose quantum well semiconductor lasers. < as lemmas |
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