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Ultrafast two-dimensional field spectroscopy of terahertz intersubband saturable absorbers
Jürgen Raab, Christoph Lange, Jessica L. Boland +9
Intersubband (ISB) transitions in semiconductor multi-quantum well (MQW) structures are promising candidates for the development of saturable absorbers at terahertz (THz) frequenci…
Bow-Tie Cavity for Terahertz Radiation
Luigi Consolino, Annamaria Campa, Davide Mazzotti +3
We report on the development, testing, and performance analysis of a bow-tie resonant cavity for terahertz (THz) radiation, injected with a continuous-wave 2.55 THz quantum cascade…
Phase-sensitive terahertz imaging using room-temperature near-field nanodetectors
Maria C. Giordano, Leonardo Viti, Oleg Mitrofanov +1
Imaging applications in the terahertz (THz) frequency range are severely restricted by diffraction. Near-field scanning probe microscopy is commonly employed to enable mapping of t…
Fully phase-stabilized quantum cascade laser frequency comb
Luigi Consolino, Malik Nafa, Francesco Cappelli +8
Optical frequency comb synthesizers (FCs) [1] are laser sources covering a broad spectral range with a number of discrete, equally spaced and highly coherent frequency components,…