J. Xu

Frequency comb spanning 2.5–7.5 μm from a subharmonic GaAs OPO and its coherence properties

P. Schunemann, K. Vodopyanov, V. Smolski, 2015, 2015 Conference on Lasers and Electro-Optics (CLEO).

A far-infrared broadband (8.5-37 μm) autocorrelator with sub-picosecond time resolution based on cadmium telluride

A. V. D. Meer, D. Oepts, G. Knippels, 2001 .

Spectral behavior of a terahertz quantum-cascade laser.

Juan Montoya, H. Beere, D. Ritchie, 2009, Optics express.

Multi-octave spanning, Watt-level ultrafast mid-infrared source

F. Krausz, T. Butler, C. Gaida, 2019, Journal of Physics: Photonics.

Differential near-field scanning optical microscopy with THz quantum cascade laser sources.

H. Beere, D. Ritchie, F. Beltram, 2009, Optics express.

Differential Scanning Optical Microscopy with a THz quantum cascade laser source

A. Tredicucci, R. Degl’Innocenti, J. Xu, 2010, 35th International Conference on Infrared, Millimeter, and Terahertz Waves.

Terahertz quantum cascade laser coupled with high efficiency to the low loss optical modes of cylindrical hollow-core waveguides

David A. Ritchie, James A. Harrington, Oleg Mitrofanov, 2011, Organic Photonics + Electronics.