quantum well

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quantum well

[¦kwän·təm ′wel]
(electronics)
A thin layer of material (typically between 1 and 10 nanometers thick) within which the potential energy of an electron is less than outside the layer, so that the motion of the electron perpendicular to the layer is quantized.
References in periodicals archive ?
Multiple quantum wells (MQW), extremely thin layers of Group III-V materials, are used as the gain medium in VCSELs and can be strained to improve VCSEL performance.
The devices, targeted for hybrid fiber/coax (HPC) broadband architecture network and trunking applications, are based on multiple quantum wells (MQW) process technology for greater stability.
New materials like multiple quantum wells (MQWs), micro- bolometers and ferroelectric devices will facilitate new commercial applications.

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