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This book describes the novel acoustic laser that operates in the highly desirable terahertz frequency regime while also presenting operation at lower gigahertz frequency. Providing a comprehensive understanding, topics will include a quantum treatment of the stimulated emission based upon a nonlinear effect, namely degenerate four-wave mixing with distributed Bragg feedback. In addition, a thorough discussion of the many experimental techniques that were brought to bear in the discovery of this acoustic laser will be presented.
Key Features
- Provides a comprehensive treatment of the terahertz acoustic laser
- Incudes the novel quantum treatment of degenerate acousto-optic four-wave mixing along with an estimate of an extremely large coupling constant between terahertz electromagnetic to acoustic fields.
- In-depth experimental discussion of techniques
- Discusses the potential applications in cryogenic acoustic microscopy and quantum information science.
(1) a quantum treatment of self-oscillation by degenerate four-wave acousto-optic mixing
(2) silicon doping superlattice
(3) novel optically-pumped molecular gas cavity-dumped terahertz laser
(4) fabrication and evanescent coupling of optical field via small-period superconducting
NbTiN grating
(5) piezophonon boron-doped silicon spectroscopy
(6) granular aluminium superconducting bolometry for phonon detection.