2024 Journal Article Terahertz in vivo imaging of human skin: toward detection of abnormal skin pathologiesQi, X., Bertling, K., Torniainen, J., Kong, F., Gillespie, T., Primiero, C., Stark, M. S., Dean, P., Indjin, D., Li, L. H., Linfield, E. H., Davies, A. G., Brünig, M., Mills, T., Rosendahl, C., Soyer, H. P. and Rakić, A. D. (2024). Terahertz in vivo imaging of human skin: toward detection of abnormal skin pathologies. APL Bioengineering, 8 (1) 016117, 016117. doi: 10.1063/5.0190573 |
2023 Journal Article Frequency combs induced by optical feedback and harmonic order tunability in quantum cascade lasersSilvestri, Carlo, Qi, Xiaoqiong, Taimre, Thomas and Rakić, Aleksandar D. (2023). Frequency combs induced by optical feedback and harmonic order tunability in quantum cascade lasers. APL Photonics, 8 (11) 116102, 1-10. doi: 10.1063/5.0164597 |
2023 Journal Article Harmonic active mode locking in terahertz quantum cascade lasersSilvestri, Carlo, Qi, Xiaoqiong, Taimre, Thomas and Rakić, Aleksandar D. (2023). Harmonic active mode locking in terahertz quantum cascade lasers. Physical Review A, 108 (1) 013501, 1-14. doi: 10.1103/physreva.108.013501 |
2023 Journal Article Terahertz imaging of human skin pathologies using laser feedback interferometry with quantum cascade lasersQi, Xiaoqiong, Bertling, Karl, Stark, Mitchell S., Taimre, Thomas, Kao, Yung-Ching, Lim, Yah Leng, Han, She, O'Brien, Blake, Collins, Angus, Walsh, Michael, Torniainen, Jari, Gillespie, Timothy, Donose, Bogdan C., Dean, Paul, Li, Lian He, Linfield, Edmund H., Davies, A. Giles, Indjin, Dragan, Soyer, H. Peter and Rakic, Aleksandar D. (2023). Terahertz imaging of human skin pathologies using laser feedback interferometry with quantum cascade lasers. Biomedical Optics Express, 14 (4) 480615, 1393-1410. doi: 10.1364/boe.480615 |
2023 Journal Article Frequency combs in quantum cascade lasers: an overview of modeling and experimentsSilvestri, Carlo, Qi, Xiaoqiong, Taimre, Thomas, Bertling, Karl and Rakić, Aleksandar D. (2023). Frequency combs in quantum cascade lasers: an overview of modeling and experiments. APL Photonics, 8 (2) 020902, 020902. doi: 10.1063/5.0134539 |
2022 Journal Article Ultrafast buildup dynamics of terahertz pulse generation in mode-locked quantum cascade lasersWang, Feihu, Qi, Xiaoqiong, Pistore, Valentino, Li, Lianhe, Agnew, Gary, Linfield, Edmund, Davies, Giles, Tignon, Jérôme, Mangeney, Juliette, Rakić, Aleksandar D. and Dhillon, Sukhdeep S. (2022). Ultrafast buildup dynamics of terahertz pulse generation in mode-locked quantum cascade lasers. Physical Review Applied, 18 (6) 064054. doi: 10.1103/physrevapplied.18.064054 |
2022 Journal Article Multimode dynamics of terahertz quantum cascade lasers: Spontaneous and actively induced generation of dense and harmonic coherent regimesSilvestri, Carlo, Qi, Xiaoqiong, Taimre, Thomas and Rakić, Aleksandar D. (2022). Multimode dynamics of terahertz quantum cascade lasers: Spontaneous and actively induced generation of dense and harmonic coherent regimes. Physical Review A, 106 (5) 053526, 1-11. doi: 10.1103/physreva.106.053526 |
2022 Journal Article Ultrafast pulse generation from quantum cascade lasersWang, Feihu, Qi, Xiaoqiong, Chen, Zhichao, Razeghi, Manijeh and Dhillon, Sukhdeep (2022). Ultrafast pulse generation from quantum cascade lasers. Micromachines, 13 (12) 2063, 1-18. doi: 10.3390/mi13122063 |
2022 Journal Article Feedback regimes of LFI sensors: experimental investigationsBertling, Karl, Qi, Xiaoqiong, Taimre, Thomas, Lim, Yah Leng and Rakić, Aleksandar D. (2022). Feedback regimes of LFI sensors: experimental investigations. Sensors, 22 (22) 9001, 1-12. doi: 10.3390/s22229001 |
2022 Journal Article Self-pulsations in terahertz quantum cascade lasers under strong optical feedback: the effect of multiple reflections in the external cavityQi, Xiaoqiong, Loh, Hui Yi, Taimre, Thomas, Bertling, Karl, Indjin, Dragan and Rakić, Aleksandar D. (2022). Self-pulsations in terahertz quantum cascade lasers under strong optical feedback: the effect of multiple reflections in the external cavity. Sensors, 22 (21) 8501, 1-14. doi: 10.3390/s22218501 |
2021 Journal Article Terahertz quantum cascade laser under optical feedback: effects of laser self-pulsations on self-mixing signalsQi, Xiaoqiong, Bertling, Karl, Taimre, Thomas, Agnew, Gary, Leng Lim, Yah, Gillespie, Tim, Demić, Aleksandar, Dean, Paul, He Li, Lian, Linfield, Edmund H., Giles Davies, A., Indjin, Dragan and Rakić, Aleksandar D. (2021). Terahertz quantum cascade laser under optical feedback: effects of laser self-pulsations on self-mixing signals. Optics Express, 29 (24), 39885-39894. doi: 10.1364/oe.437861 |
2021 Journal Article Terahertz imaging with self-pulsations in quantum cascade lasers under optical feedbackQi, Xiaoqiong, Bertling, Karl, Taimre, Thomas, Lim, Yah Leng, Gillespie, Tim, Dean, Paul, Li, Lian He, Linfield, Edmund H., Davies, A. Giles, Indjin, Dragan and Rakić, Aleksandar D. (2021). Terahertz imaging with self-pulsations in quantum cascade lasers under optical feedback. APL Photonics, 6 (9) 091301, 091301. doi: 10.1063/5.0056487 |
2021 Journal Article Observation of optical feedback dynamics in single-mode terahertz quantum cascade lasers: Transient instabilitiesQi, Xiaoqiong, Bertling, Karl, Taimre, Thomas, Agnew, Gary, Lim, Yah Leng, Gillespie, Tim, Robinson, Ashley, Brünig, Michael, Demić, Aleksandar, Dean, Paul, Li, Lian He, Linfield, Edmund H., Davies, A. Giles, Indjin, Dragan and Rakić, Aleksandar D. (2021). Observation of optical feedback dynamics in single-mode terahertz quantum cascade lasers: Transient instabilities. Physical Review A, 103 (3) 033504, 033504-1-033504-7. doi: 10.1103/physreva.103.033504 |
2020 Journal Article External cavity terahertz quantum cascade laser with a metamaterial/graphene optoelectronic mirrorAlmond, Nikita W., Qi, Xiaoqiong, Degl'Innocenti, Riccardo, Kindness, Stephen J., Michailow, Wladislaw, Wei, Binbin, Braeuninger-Weimer, Philipp, Hofmann, Stephan, Dean, Paul, Indjin, Dragan, Linfield, Edmund H., Davies, A. Giles, Rakić, Aleksandar D., Beere, Harvey E. and Ritchie, David A. (2020). External cavity terahertz quantum cascade laser with a metamaterial/graphene optoelectronic mirror. Applied Physics Letters, 117 (4) 0014251, 041105. doi: 10.1063/5.0014251 |
2020 Journal Article Laser feedback interferometry in multi-mode terahertz quantum cascade lasersQi, Xiaoqiong, Agnew, Gary, Taimre, Thomas, Han, She, Lim, Yah Leng, Bertling, Karl, Demic, Aleksandar, Dean, Paul, Indjin, Dragan and Rakic, Aleksandar (2020). Laser feedback interferometry in multi-mode terahertz quantum cascade lasers. Optics Express, 28 (10), 14246-14262. doi: 10.1364/oe.390433 |
2020 Journal Article Corrections to “Mode selection and tuning mechanisms in coupled-cavity terahertz quantum cascade lasers”Qi, Xiaoqiong, Indjin, Dragan, Rakic, Aleksandar D., Kundu, Iman, Dean, Paul, Agnew, Gary, Taimre, Thomas, Valavanis, Alexander, Grier, Andrew T., Linfield, Edmund H. and Davies, Alexander Giles (2020). Corrections to “Mode selection and tuning mechanisms in coupled-cavity terahertz quantum cascade lasers”. IEEE Journal of Selected Topics in Quantum Electronics, 26 (1) 8910613, 1-1. doi: 10.1109/jstqe.2019.2954689 |
2019 Journal Article Detection sensitivity of laser feedback interferometry using a terahertz quantum cascade laserKeeley, J., Bertling, K., Rubino, P. L., Lim, Y. L., Taimre, T., Qi, X., Kundu, I., Li, L. H., Indjin, D., Rakić, A. D., Linfield, E. H., Davies, A. G., Cunningham, J. and Dean, P. (2019). Detection sensitivity of laser feedback interferometry using a terahertz quantum cascade laser. Optics Letters, 44 (13), 3314-3317. doi: 10.1364/ol.44.003314 |
2018 Journal Article Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasersKundu, Iman, Wang, Feihu, Qi, Xiaoqiong, Nong, Hanond, Dean, Paul, Freeman, Joshua R., Valavanis, Alexander, Agnew, Gary, Grier, Andrew T., Taimre, Thomas, Li, Lianhe, Indjin, Dragan, Mangeney, Juliette, Tignon, Jérôme, Dhillon, Sukhdeep S., Rakić, Aleksandar D., Cunningham, John E., Linfield, Edmund H. and Davies, A. Giles (2018). Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasers. Nature Communications, 9 (1) 3076, 3076. doi: 10.1038/s41467-018-05601-x |
2017 Journal Article Mode selection and tuning mechanisms in coupled-cavity terahertz quantum cascade lasersQi, Xiaoqiong, Kundu, Iman, Dean, Paul, Agnew, Gary, Taimre, Thomas, Valavanis, Alexander, Grier, Andrew T., Linfield, Edmund H., Davies, Alexander Giles, Indjin, Dragan and Rakic, Aleksandar D. (2017). Mode selection and tuning mechanisms in coupled-cavity terahertz quantum cascade lasers. IEEE Journal of Selected Topics in Quantum Electronics, 23 (4) 7859334, 1-12. doi: 10.1109/JSTQE.2017.2668600 |
2017 Journal Article Widely tunable microwave photonic filter based on self-adaptive optical carrier regenerationLi, GuanPeng, Wang, Hui, Qi, XiaoQiong, Xie, Liang and Zhang, BangHong (2017). Widely tunable microwave photonic filter based on self-adaptive optical carrier regeneration. Science China Technological Sciences, 60 (6), 872-877. doi: 10.1007/s11431-016-0750-8 |