TY - JOUR T1 - Resonantly Excited Excitons for Second-Order Optical Non-Linearity and Realisation of a Broadly Tuneable THz Source and Absorption Spectrometer PY - 2022/07/22 AU - Hogg R AU - Majeed A AU - Ivanov P AU - Stevens B AU - Clarke E AU - Butler I AU - Childs D AU - Kojima O ED - DO - DOI: 10.11470/jsapmeeting.2019.2.0_3142 SP - 3142 EP - 3142 Y2 - 2025/12/07 ER -