Dr Karl Bertling

Research Fellow

School of Information Technology and Electrical Engineering
Faculty of Engineering, Architecture and Information Technology
bertling@itee.uq.edu.au
+61 7 336 53840

Overview

Qualifications

  • Doctor of Philosophy, The University of Queensland
  • Master of Philosophy, The University of Queensland

Publications

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Grants

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Publications

Journal Article

Conference Publication

  • Xiaoqiong, Qi , Agnew, Gary , Kundu, Iman , Taimre, Thomas , Lim, Yah Leng , Bertling, Karl , Han, She , Dean, Paul , Grier, Andrew , Valavanis, Alexander , Linfield, Edmund , Davies, A. Giles , Indjin, Dragan and Rakic, Aleksandar (2017). Dynamic modelling of coupled-cavity Terahertz Quantum Cascade lasers with optical feedback. In: ITQW 2017: 14th International Conference on Intersubband Transitions in Quantum Wells, Sands Expo and Convention Center, Singapore, (). 11-15 September 2017.

  • Mowla, Alireza, Taimre, Thomas, Lim, Yah L., Bertling, Karl, Wilson, Stephen J., Prow, Tarl W., Soyer, H. Peter and Rakić, Aleksandar D. (2016). Diffuse reflectance imaging for non-melanoma skin cancer detection using laser feedback interferometry. In: Jürgen Popp, Valery V. Tuchin, Dennis L. Matthews and Francesco S. Pavone, Biophotonics: Photonic Solutions for Better Health Care V. SPIE Photonics Europe, Brussels, Belguim, (). 3-7 April 2016. doi:10.1117/12.2227449

  • Agnew, Gary, Grier, Andrew, Taimre, Thomas, Lim, Yah Leng, Bertling, Karl, Ikonić, Zoran, Valavanis, Alexander, Dean, Paul, Cooper, Jonathan, Khanna, Suraj P., Lachab, Mohammad, Linfield, Edmund H., Davies, A. Giles, Harrison, Paul, Indjin, Dragan and Rakić, Aleksandar D. (2016). Interferometry via thermal modulation in low duty cycle pulsed terahertz QCLs. In: International Quantum Cascade Lasers School and Workshop 2016 (IQCLSW 2016). International Quantum Cascade Lasers School and Workshop 2016 (IQCLSW 2016), Cambridge, United Kingdom, (). 4 September – 9 September 2016.

  • Rakić, Aleksandar D., Agnew, Gary, Qi, Xiaoqiong, Taimre, Thomas, Grier, Andrew, Lim, Yah Leng, Bertling, Karl, Ikonić, Zoran, Valavanis, Alexander, Dean, Paul, Cooper, Jonathan, Khanna, Suraj P., Lachab, Mohammad, Wilson, Stephen J., Linfield, Edmund H., Davies, A. Giles, Harrison, Paul and Indjin, Dragan (2016). Laser feedback interferometry with THz QCLs: a new technology for imaging and materials analysis. In: The 8th International Symposium on Ultrafast Phenomena and Terahertz Waves. The 8th International Symposium on Ultrafast Phenomena and Terahertz Waves, Chongqing, China, (1-3). 10–12 October 2016. doi:10.1364/ISUPTW.2016.IW4A.1

  • Rakic, Aleksandar D., Lim, Yah Leng, Taimre, Thomas, Agnew, Gary, Qi, Xiaoqiong, Bertling, Karl, Han, She, Wilson, Stephen J., Kundu, Iman, Grier, Andrew, Ikonić, Zoran, Valavanis, Alexander, Demić, Aleksandar, Keeley, James, Li, Lianhe H., Linfield, Edmund H., Davies, A. Giles, Harrison, Paul, Ferguson, Blake, Walker, Graeme, Prow, Tarl, Indjin, Dragan and Soyer, H. Peter (2016). Optical feedback effects on terahertz quantum cascade lasers: modelling and applications. In: Zhang, Cunlin, Zhang, Xi-Cheng and Tani, Masahiko, Proceedings of SPIE Infrared, Millimeter-Wave, and Terahertz Technologies IV. Infrared, Millimeter-Wave, and Terahertz Technologies IV, Beijing, China, (). 12 October 2016. doi:10.1117/12.2250621

  • Agnew, G., Grier, A., Taimre, T., Lim, Y. L., Bertling, K., Ikonic, Z., Valavanis, A., Dean, P., Cooper, J., Khanna, S. P., Lachab, M., Linfield, E. H., Davies, A. G., Harrison, P., Indjin, D. and Rakić, A. D. (2016). Prediction of Turn-on Delay in a Pulsed Terahertz Quantum Cascade Laser. In: Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2016), Sydney, Australia, (). 12-14 December 2016.

  • Keeley, J., Freeman, J., Valavanis, A., Mohandas, R., Bertling, Karl, Taimre, Thomas, Lim, Yah Leng, Li, L. H., Indjin, D., Rakic, Aleksandar, Linfield, E. H., Davies, A. G. and Dean, P. (2016). Self-mixing as a means of spectral characterisation of a Terahertz QCL. In: UK Semiconductors 2016, Sheffield, United Kingdom, (). 6-7 July 2016.

  • Keeley, J., Freeman, J., Valavanis, A., Mohandas, R., Bertling, Karl, Taimre, Thomas, Lim, Yah Leng, Li, L. H., Indjin, D., Rakic, Aleksandar, Linfield, E. H., Davies, A. G. and Dean, P. (2016). Spectral characterisation of a Terahertz QCL through self-mixing. In: International Quantum Cascade Lasers School and Workshop 2016 (IQCLSW 2016), Cambridge, UK, (). 4-9 September 2016.

  • Rakic, Aleksandar, Agnew, Gary, Qi, Xiaoqiong, Taimre, Thomas, Lim, Yah Leng, Bertling, Karl, Han, She, Wilson, Stephen J., Grier, Andrew, Kundu, Iman, Li, Lianhe, Valavanis, Alexander, Dean, Paul, Ikonic, Zoran, Cooper, Jonathan, Khanna, Suraj P., Lachab, Mohammad, Linfield, Edmund H., Davies, A. Giles, Harrison, Paul and Indjin, Dragan (2016). Terahertz Frequency Quantum Cascade Lasers: Optical Feedback Effects and Applications. In: Piprek, J, Poulton, C, Steel, M and DeSterke, M, 16th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2016. 16th International Conference on Numerical Simulation of Optoelectronic Devices, Sydney, Australia, (203-204). 11-15 July 2016. doi:10.1109/NUSOD.2016.7546996

  • Mowla, Alireza, Nikolić, Milan, Taimre, Thomas, Tucker, John, Lim, Yah Leng, Bertling, Karl and Rakić, Aleksandar (2015) Effect of the optical system on the Doppler spectrum in laser-feedback interferometry. Applied Optics, 54 1: 18-26. doi:10.1364/AO.54.000018

  • Dean, P., Taimre, T., Lui, H. S., Bertling, K., Lim, Y. L., Valavanis, A., Keeley, J., Alhathlool, R., Chowdhury, S., Li, L. H., Khanna, S. P., Lachab, M., Indjin, D., Rakic, A. D., Linfield, E. H. and Davies, A. G. (2014). Coherent THz imaging using the self-mixing effect in quantum cascade lasers. In: Advanced Photonics. Optical Sensors, Barcelona Spain, (). 27-31 July 2014. doi:10.1364/SENSORS.2014.SeTh4B.3

  • Mowla, Alireza, Nikolic, Milan, Lim, Yah Leng, Bertling, Karl, Rakic, Aleksandar D. and Taimre, Thomas (2014). Effect of the optical numerical aperture on the Doppler spectrum in laser Doppler velocimetry. In: Lorenzo Faraone and Mariusz Martyniuk, COMMAD 2014 Conference Proceedings. Conference on Optoelectronic and Microelectronic Materials and Devices, Perth, WA, Australia, (72-74). 14-17 December 2014. doi:10.1109/COMMAD.2014.7038654

  • Keeley, J. T., Dean, P., Valavanis, A., Bertling, K., Taimre, T., Lim, Y. L., Alhathlool, R., Chowdhury, S., Li, L. H., Indjin, D., Rakić, A., Linfield, E. H. and Davies, A. G. (2014). Electrical modulation schemes for imaging by self-mixing in terahertz quantum cascade lasers. In: IQCLSW 2014: 1st International Quantum Cascade Lasers School and Workshop, Policoro (Matera), Italy, (). 7-12 September, 2014.

  • Valavanis, A., Dean, P., Li, L., Burnett, A. D., Keeley, J., Chowdhury, S., Alhathlool, R., Chen, L., Zhu, J., Han, J., Freeman, J., Khanna, S. P., Indjin, D., Davies, A. G., Linfield, E. H., Taimre, T., Lim, Y. L., Bertling, K. and Rakic, A. (2014). High-power (> 1 Watt) terahertz frequency quantum cascade lasers for stand-off imaging. In: STO-MP-SET-210 - Novel Infrared Laser Technology for Modern Battlefield Requirements. Sensors and Electronics Panel (SET) Specialists’ Meeting, Salisbury, United Kingdom, (8-1-8-11). 24-25 July 2014.

  • Rakić, Aleksandar, Taimre, Thomas, Bertling, Karl, Lim, Yah Leng, Wilson, Stephen J., Nikolić, Milan, Valavanis, Alexander, Indjin, Dragan, Linfield, Edmund H., Davies, A. Giles, Ferguson, Blake, Walker, Graeme, Schaider, Helmut and Soyer, H. Peter (2014). THz QCL self-mixing interferometry for biomedical applications. In: Manijeh Razeghi, Alexei N. Baranov, John M. Zavada and Dimitris Pavlidis, Terahertz Emitters, Receivers, and Applications V. SPIE Optical Engineering + Applications Conference 2014, San Diego, United States, (91990M-1-91990M-12). 17-21 August 2014. doi:10.1117/12.2061433

  • Dean, Paul, Taimre, Thomas, Bertling, Karl, Lim, Yah Leng, Keeley, James, Valavanis, Alex, Alhathlool, Raed, Khanna, Suraj P., Lachab, Mohammad, Indjin, Dragan, Linfield, Edmund H., Davies, A. Giles and Rakić, Aleksandar (2013). Coherent imaging and sensing using the self-mixing effect in THz quantum cascade lasers. In: ITQW 2013: The 12th International Conference on Intersubband Transitions in Quantum Wells, Boston Landing, NY, USA, (1-2). 16-20 September, 2013.

  • Rakić, Aleksandar D., Taimre, Thomas, Bertling, Karl, Lim, Yah Leng, Dean, Paul, Keeley, James, Valavanis, Alex, Alhathlool, Raed, Khanna, Suraj P., Lachab, Mohammad, Indjin, Dragan, Ikonic, Zoran, Harrison, Paul, Linfield, Edmund H. and Davies, A. Giles (2013). Self-mixing effect in THz quantum cascade lasers: applications in sensing and imaging. In: Fairuz Abdullah, 4th International Conference on Photonics (ICP2013) Conference Proceeding. ICP2013: 4th International Conference on Photonics, Melaka, Malaysia, (18-20). 28-30 October, 2013. doi:10.1109/ICP.2013.6687056

  • Bertling, K., Rakic, A., Yeow, Y. T., O'Brien, C. J. and Domyo, H. (2012). Comparison of the RF characteristics of inversion channel and depletion channel SOS MOSFETs. In: COMMAD 2012 Proceedings. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, (79-80). 12-14 December 2012. doi:10.1109/COMMAD.2012.6472369

  • Bakar, Ahmad Ashrif A., Lim, Yah Leng, Wilson, Stephen J., Fuentes, Miguel, Bertling, Karl, Bosch, Thierry and Rakic, Aleksandar D. (2012). Electrocardiographic signal detection using self-mixing interferometer technique with customized electro-optic phase modulator. In: 2012 IEEE 3rd International Conference on Photonics (ICP). ICP 2012 3rd International Conference on Photonics, Penang, Malaysia, (299-302). 1-3 October 2012. doi:10.1109/ICP.2012.6379524

  • Fok, E., Nikolic, M., Lim, Y. L., Bertling, K. and Rakic, A. (2012). Integrated optofluidic flow sensor using the self-mixing effect. In: COMMAD 2012 Proceedings. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, (191-192). 12-14 December 2012. doi:10.1109/COMMAD.2012.6472425

  • Bakar, A. A. A., Lim, Y. L., Wilson, S. J., Bertling, K., Fuentes, M. A. and Rakic, A. (2012). Optical electrocardiograph using self-mixing interferometer technique with a customized electro-optic phase modulator. In: COMMAD 2012 Proceedings. Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, (87-88). 11-14 December 2012. doi:10.1109/COMMAD.2012.6472373

  • Ross-Conley, F., Bertling, K., Lim, Y. L., Bradley, A. P. and Rakic, A. (2012). Profiling the change in refractive index using the self-mixing effect in lasers. In: COMMAD 2012 Proceedings. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, (85-86). 12-14 December 2012. doi:10.1109/COMMAD.2012.6472372

  • Kliese, Russell, Lim, Yah Leng, Bertling, Karl and Rakic, Aleksandar (2012). Self-mixing laser velocimetry: a realistic model. In: COMMAD 2012 Proceedings. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, (83-84). 12-14 December 2012. doi:10.1109/COMMAD.2012.6472371

  • Lim, Y. L., Bertling, K., Dean, P., Valavanis, A., Alhathlool, R., Khanna, S. P., Indjin, D., Linfield, E. H., Davies, A. G., Wilson, S. J. and Rakic, A. (2012). Self-mixing signals in terahertz lasers. In: COMMAD 2012 Proceedings. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, (105-106). 12-14 December 2012. doi:10.1109/COMMAD.2012.6472382

  • Gaynor, J. E., Lim, Y. L., Bertling, K. and Rakic, A. (2012). Towards a scanning laser confocal microscope using the self-mixing effect. In: COMMAD 2012 Proceedings. 2012 Conference on Optoelectronic and Microelectronic Materials & Devices (COMMAD 2012), Melbourne, Australia, (81-82). 12-14 December 2012. doi:10.1109/COMMAD.2012.6472370

  • Zigenbine, Ezra, Kliese, Russell, Bertling, Karl and Rakic, Aleksandar D. (2010). A novel self-mixing sensor architecture using a PLL for noise immunity. In: 2010 Conference on Optoelectronic and Microelectronic Materials and Devices: COMMAD 2010 Proceedings. 2010 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD), Canberra, ACT, Australia, (97-98). 12-15 December, 2010. doi:10.1109/COMMAD.2010.5699800

  • Bakar, A. A. A., Bertling, K., Kliese, R., Lim, Y. L. and Rakic, A. D. (2010). Analysis of nanometer displacement measurement using the self-mixing technique based on VCSEL. In: Andrew Dzurak, Proceedings of ICONN 2010. 2010 International Conference On Nanoscience and Nanotechnology (ICONN), Sydney, NSW, Australia, (). 22-26 February 2010. doi:10.1109/ICONN.2010.6045269

  • Boubals, A, Bertling, K., Domyo, Hiroshi, Brawley, A., Rakic, A. D. and Yeow, Y. (2010). Extraction of RF equivalent circuit and semiconductor parameters of SOS MOSFETs from S-Parameter measurements. In: 2010 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD). Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD'2010), Canberra, ACT, Australia, (147-148). 12-15 December 2010. doi:10.1109/COMMAD.2010.5699709

  • Lim, Yah Leng, Kliese, Russell, Bertling, Karl, Tanimizu, Katsuyoshi, Jacobs, Peter A and Rakić, A. D. (2009). Parallel self-mixing flow sensor using monolithic VCSEL array. In: OptoElectronics and Communications Conference, 2009. OECC 2009. 14th. The 14th OptoElectronics and Communications Conference, Hong Kong, China, (1-2). 13-17 July 2009. doi:10.1109/OECC.2009.5215719

  • Matharu, Ranveer, Lim, Yah Leng, Kliese, Russell, Bertling, Karl, A. Bakar, A. Ashrif, Perchoux, Julien and Rakic, Aleksandar (2009). Temperature and current dependence of doppler SNR in a VCSEL based self-mixing sensor. In: Paddy J. French, Proceedings of IEEE Sensors. The 8th Annual IEEE Conference on Sensors, Christchurch, New Zealand, (425-428). 25 - 28 October, 2009. doi:10.1109/ICSENS.2009.5398259

  • Lim, Y.L., Bertling, K., Nikolic, M., Kliese, R, A. Bakar, A. Ashrif and Rakić, A.D. (2008). A parallel self-mixing sensor using 12-channel monolithic VCSEL array. In: 2008 International Conference on Nanoscience and Nanotechnology. 2008 International Conference on Nanoscience and Nanotechnology, Melbourne, Australia, (). 25-29 February, 2008.

  • A. Bakar, A. A., Taimre, T., Lim, Y. L., Bertling, K, Kliese, R. and Rakić, A. D. (2008). Linewidth measurement of vertical-cavity surface-emitting lasers under feedback using the self-mixing technique. In: 2008 International Conference on Electronics Materials, Sydney , Australia, (). 28 July - 1 August 2008.

  • A Bakar, A. A., Bertling, K, Kliese, R., Lim, Y. L., Rakić, A. D. and Taimre, T. (2008). Measuring VCSEL linewidth enhancement factor using the self-mixing technique. In: 2008 International Conference on Nanoscience and Nanotechnology, Melbourne, Australia, (1-1). 25-29 February, 2008.

  • Domyo, H., Bertling, K., Ho, T., Kistler, N., Imthurn, G., Stuber, M., Rakic, A. D. and Yeow, Y-T. (2008). Origin of the low frequency type curve in silicon-on-sapphire MOS capacitors. In: L. Faraone and M. Cortie, IEEE: Proceedings of the 2008 Conference on Optoelectronic and Microelectronic Materials and Devices. 2008 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2008), Sydney, Australia, (129-131). 28th July - 1st August, 2008. doi:10.1109/COMMAD.2008.4802108

  • Lim, Yah Leng, Kliese, Russell, Bertling, Karl and Rakić, A. D. (2008). Parallel self-mixing flow sensor using monolithic VCSEL array. In: L. Faraone and M. Cortie, Proceedings of the 2008 Conference on Optoelectronic and Microelectronic Materials and Devices. 2008 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2008), Sydney, Australia, (67-70). 28 July - 1 August, 2008. doi:10.1109/COMMAD.2008.4802093

  • Bertling, K., Domyo, H., Kim, Y.T., Ho, T., Rakic, A.D. and Yeow, Y-T (2008). Parameter extraction for silicon-on-sapphire MOSFETs by using inverse modelling of capacitance measurements. In: L. Faraone, M. Cortie, A. Cuevas, J. Dell and et. al., 2008 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2008) Proceedings. 2008 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2008), Sydney, Australia, (129-131). 28 July - 1 August, 2008.

  • Kliese, Russell, Lim, Yah Leng, Bertling, Karl, Bakar, A. Ashrif A., Bosch, Thierry and Rakic, Aleksandar D. (2008). Self-mixing displacement sensing using the junction voltage variation in a GaN laser. In: L. Faraone and M. Cortie, IEEE Proceedings of the 2008 Conference on Optoelectronic and Microelectronic Materials and Devices. 2008 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2008), Sydney, Australia, (23-25). 28th July - 1st August, 2008. doi:10.1109/COMMAD.2008.4802083

  • Tucker, J.R., Lim, Y.L., Bertling, K., Rakic, A.D. and Zvyagin, A.V. (2007). Fluid flow rate measurement using the change in laser junction voltage due to the self-mixing effect. In: Faraone, L., Betts, S., Dell, J., Musca, C., Nener, B., Parish, G. and Wehner, J., COMMAD 2006: Proceedings of the 2006 Conference on Optoelectronic and Microelectronic Materials and Devices. 2006 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2006), Perth, WA, (192-195). 6-8 December, 2006. doi:10.1109/COMMAD.2006.4429913

  • Bertling, K., Rakic, A.D. and Yeow, Y.T. (2007). Numerical modelling study of the sensitivity of SOS MOSFET characteristics to silicon film thickness and back surface trapped charge variation. In: Faraone, L., Betts, S., Dell, J., Musca, C., Nener, B., Parish, G. and Wehner, J., COMMAD 2006: Proceedings of the 2006 Conference on Optoelectronic and Microelectronic Materials and Devices. 2006 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2006), Perth, WA, (283-285). 6-8 December, 2006. doi:10.1109/COMMAD.2006.4429937

  • Lim, Yah Leng, Bertling, Karl, Rio, Pierre, Tucker, J. R. and Rakic, A. D. (2006). Displacement and Distance Measurement using the Change in Junction Voltage Across a Laser Diode Due to the Self-Mixing Effect. In: D. Abbott, Y. S. Kivshar, H. H. Rubinsztein-Dunlop and S. Fan, Photonics: Design, Technology, and Packaging II. SPIE International Symposium on Microelectronics, MEMS, and Nanotechnology, Brisbane, Australia, (60381O-1-60381O-10). 12-15 December, 2005. doi:10.1117/12.638433

  • Bertling, Karl, Hurse, Timothy J., Kappler, Ulrike and Rakic, Aleksandar D. (2005). Cultivation of Photosynthetic Bacteria Using Vertical-Cavity Surface-Emitting Lasers. In: P. J. Delfyett, E. Golovchenko and M. Amann, Conference Proceedings- Lasers and Electro-Optics Society (LEOS) Annual Meeting. IEEE (Institute of Electrical and Electronics Engineering) LEOS (Lasers and Electro-Optics Society) 2005 Annual Meeting, Sydney, Australia, (167-168). 23 - 27 October, 2005. doi:10.1109/LEOS.2005.1547931

  • Bertling, K., Tucker, J. R. and Rakic, A. (2004). Optimum injection current waveform for a laser range finder based on the self-mixing effect. In: C. Jagadish and K. Choquette etal, Photonics: Design, Technology and Packaging. The Photonics: Design, Technology and Packaging Conference, Perth, Western Australia, (334-345). 10-12 December, 2003. doi:10.1117/12.523267

Other Outputs

Grants (Administered at UQ)