Projects per year
Personal profile
Biography
I received an MPhys degree (1997) and a DPhil (2001) from Oxford University, UK. Following two years as a Research Assistant in the Clarendon Laboratory at Oxford, I moved to Macquarie University in 2004, where I completed an ARC Research fellowship (APDF). I now hold a professorship in the MQ Photonics research centre. My research has covered a wide range of laser and nonlinear optics. Experimental highlights include: working with national-scale PW laser to make XUV lasers; building 25 fs Raman lasers in the IR and the first ultrafast cerium lasers in the UV; building 22 ps Q-switched microchip lasers; and CW single longitudinal mode lasers using Raman-, polariton-, and Brillouin-scattering. My publications are characterized by a strong link between experiments and supporting theory, using both numerical and analytic modelling, with theory highlights including an invited review of Raman theory, and an analytic theory to model polariton THz lasers. Successful industry translations include a commercialised product with Optos for retinal surgery, and current IP licenses with Jenoptik GmbH and M Squared Lasers Ltd.
I have supervised 6 completed PhD students and has one current student. Two graduated students are now in high-tech industry (Renishaw, PLC, UK, and Coherent Scotland, UK), one is in a science funding consultancy (forderbar GmbH), one is a postdoc at Capital Normal University, Beijing, and one is at CERN (after a postdoc at MIT and a position of beam scientist at SLAC).
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Collaborations and top research areas from the last five years
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Directed energy concept based on fibre laser pumped diamond
Mildren, R. (Primary Chief Investigator), Williams, R. (Associate Investigator) & Spence, D. (Associate Investigator)
13/04/17 → …
Project: Research
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The Ultimate Multimode Photonics Characterisation Tool
Gross, S. (Primary Chief Investigator), Steel, M. (Chief Investigator), Ams, M. (Chief Investigator), Spence, D. (Chief Investigator), Hudson, D. (Chief Investigator), Arriola, A. (Chief Investigator), Collins, M. (Chief Investigator), Douglass, G. (Student) & Gretzinger, T. (Student)
1/01/17 → …
Project: Research
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Precision frequency spectrum diagnostic for pulsed lasers
Mildren, R. (Primary Chief Investigator), Pask, H. (Chief Investigator), Spence, D. (Chief Investigator), Lee, A. (Chief Investigator), Jackson, S. (Chief Investigator), Williams, R. (Chief Investigator), Fuerbach, A. (Chief Investigator), Kitzler, O. (Chief Investigator) & Piracha, A. (Chief Investigator)
1/01/17 → …
Project: Research
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Diamond lasers for precision applications
Spence, D. (Primary Chief Investigator), Mildren, R. (Chief Investigator) & Malcolm, G. (Partner Investigator)
17/08/16 → …
Project: Research
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MQ Photonics Research Centre
Coutts, D. W. (Primary Chief Investigator), Withford, M. (Chief Investigator), Orr, B. (Chief Investigator), Carman, R. (Chief Investigator - University), Connally, R. (Chief Investigator - University), Dawes, J. (Chief Investigator - University), Browne, P. (Chief Investigator - University), Downes, J. (Chief Investigator - University), Fuerbach, A. (Chief Investigator - University), Goldys, E. (Chief Investigator - University), Dekker, P. (Chief Investigator - University), He, Y. (Chief Investigator - University), Jin, D. (Chief Investigator - University), Kane, D. (Chief Investigator - University), Marshall, G. (Chief Investigator - University), Mildren, R. (Chief Investigator - University), Pask, H. (Chief Investigator - University), Piper, J. (Chief Investigator - University), Rabeau, J. (Chief Investigator - University), Spence, D. (Chief Investigator - University), Drozdowicz-Tomsia, K. (Chief Investigator - University), Town, G. (Chief Investigator - University), Zvyagin, A. (Chief Investigator - University) & Steel, M. (Chief Investigator)
1/07/07 → …
Project: Research
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60 W continuous-wave diamond Raman laser in the visible
Sharp, A., Jasbeer, H., Pahlavani, R., Kitzler, O., Spence, D. J. & Mildren, R. P., 2025, CLEO/Europe-EQEC 2025: Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference. Munich, Germany: Institute of Electrical and Electronics Engineers (IEEE), 1 p. (Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference).Research output: Chapter in Book/Report/Conference proceeding › Conference abstract › peer-review
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Asynchronous cross correlation autocalibration using a split-beam time-reference
Sharp, A., Kitzler, O., Fuerbach, A., Spence, D. J. & Coutts, D. W., Dec 2025, In: Applied Physics B: Lasers and Optics. 131, 12, p. 1-5 5 p., 230.Research output: Contribution to journal › Article › peer-review
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Linewidth narrowing in Raman lasers
Pahlavani, R. L., Spence, D. J., Sharp, A. O. & Mildren, R. P., 14 Jul 2025, In: APL Photonics. 10, 7, p. 076107-1-076107-6 6 p., 076107.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Downloads (Pure) -
Ocean LiDAR using gallium nitride laser diode excitation for determining subsurface water temperature
Kitzler, O., Taylor, C. J., Dawes, J. M., Pask, H. M., Downes, J. E. & Spence, D. J., 21 May 2025, Ocean Sensing and Monitoring XVII. Hou, W., Mullen, L. J. & Jackson, J. (eds.). Bellingham, Washington: SPIE, p. 134820B-1-134820B-4 4 p. 134820B. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13482).Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review
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Optimising single-frequency intra-cavity-doubled diamond Raman lasers
Sharp, A., Terra, O., Pahlavani, R., Kitzler, O., Spence, D. J., Lin, J., Ortega, T. & Mildren, R. P., 2025, CLEO/Europe-EQEC 2025: Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference. Munich, Germany: Institute of Electrical and Electronics Engineers (IEEE), 1 p. (Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference).Research output: Chapter in Book/Report/Conference proceeding › Conference abstract › peer-review
Prizes
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Inter-Departmental Collaboration - [EX]plore Conference Organising Committee
Spence, D. (Recipient), De Marco, O. (Recipient), Jiang, I. (Recipient), Lin, H. (Recipient), Smith, C. (Recipient), Jaschke, P. (Recipient), Hurst, S. (Recipient), Fernandes Erickson, M. (Recipient), Rhee, K. (Recipient), Sharpless, K. (Recipient), Aboud, J. (Recipient), Er, J. (Recipient) & Pallesen, M. (Recipient), 8 Dec 2022
Prize: Other distinction