Terahertz quantum cascade lasers and video-rate THz imaging
Transitions between subbands in semiconductor quantum wells were suggested as a method to generate long wavelength radiation at customizable frequencies. The recently developed THz quantum-cascade lasers (QCL) hold great promise to bridge the so-called "THz gap" between conventional electr...
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| Format: | Article |
| Language: | English |
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Institute of Electrical and Electronics Engineers (IEEE),
2012-07-27T18:38:30Z.
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| Online Access: | Get fulltext |