1. ABOUT THE DATASET -------------------- Title: Data associated with "Power stabilization of a terahertz-frequency quantum-cascade laser using a photonic-integrated modulator" Creator(s): Kondawar, S.S.[1], North, N.K.[1], Han, Y.[1], Pardo, D. [2], Brewster, N.[2], Horbury, M.D.[1], Salih, M.[1], Li, L.[1], Dean, P.[1], Freeman, J.R.[1], Ellison, B.N.[2], Kundu, I.[1], Valavanis, A.[1] Organisation(s): 1. University of Leeds. 2. Rutherford Appleton Laboratory Rights-holder(s): Copyright 2024 University of Leeds Publication Year: 2024 Description: This dataset is associated with the manuscript "Power stabilization of a terahertz-frequency quantum-cascade laser using a photonic-integrated modulator". We demonstrate a technique to stabilize the emission from a ~3.5 THz quantum-cascade laser against long-term power drifts, using a recently developed Photonic Integrated Circuit (PIC) structure formed by coupling a racetrack resonator with a ridge waveguide. Successful locking over >600 s was achieved using a proportional–integral control loop. A technique for integrating the PIC with a precision micromachined rectangular metallic waveguide module has also been demonstrated. Cite as: Kondawar, S.S., North, N.K., Han, Y., Pardo, D., Brewster, N., Horbury, M.D., Salih, M., Li, L., Dean, P., Freeman, J.R., Ellison, B.N., Kundu, I., Valavanis, A. (2024): Data associated with "Power stabilization of a terahertz-frequency quantum-cascade laser using a photonic-integrated modulator". University of Leeds. [Dataset] https://doi.org/10.5518/1522 Contact: Sanchit Kondawar s.kondawar@leeds.ac.uk 2. TERMS OF USE --------------- Copyright 2024 University of Leeds. Unless otherwise stated, this dataset is licensed under a Creative Commons Attribution 4.0 International Licence: https://creativecommons.org/licenses/by/4.0/.] 3. PROJECT AND FUNDING INFORMATION ---------------------------------- Funding organisations: UKRI and UK Space Agency Grant nos.: MR/S016929/1 MR/Y011775/1 NSTP3-FT2-002 4. CONTENTS ----------- fig2a-10K.dat fig2a-40K.dat fig2a-50K.dat fig2a-60K.dat fig2a-63K.dat fig2b.dat fig3a.dat fig3b.dat fig5ac.dat fig5bd.dat fig7-10K.dat fig7-30K.dat fig7-50K.dat fig7-70K.dat fig7-90K.dat fig8a-500mA.dat fig8a-600mA.dat fig8a-700mA.dat fig8a-800mA.dat fig8a-900mA.dat fig8a-1000mA.dat fig8a-1100mA.dat fig8a-1200mA.dat fig8b-0mA.dat fig8b-100mA.dat fig8b-200mA.dat fig8b-250mA.dat fig8b-300mA.dat fig8b-350mA.dat fig8b-400mA.dat fig8b-500mA.dat