略語大辞典 [L] 28 QW quantum well (semiconductor laser) 量子井戸(半導体レーザー).quantum well (semiconductor laser); a semiconductor laser diode; e.g. SQW(single quantum well), MQW(multiple quantum wells); [L:Opt:Phys:E:C]. 丸善「略語大辞典」JLogosID : 11857288