David McClelland (physicist)

David Ernest McClelland FAA is an Australian physicist, with his research focused on the development of the manipulation and control of optical quantum states, and its implementation into gravitational wave observatories. He is a Fellow of the Australian Academy of Science, the American Physical Society and the Optical Society of America. He has published over 300 journal articles. He was the lead investigator for the Australian hardware contribution to the Advanced LIGO (USA) that, in September 2015, made the first direct observation of gravitational waves.[2] He is a recipient of the Joseph F Keithley Award for Advances in Measurement Science (2013) and the 2017 Walter Boas Medal. Currently he is a professor at The Australian National University in the Research School of Physics and Engineering, in Canberra (Australia). He is Director of the ANU's Centre for Gravitational Physics and Deputy Director of OzGrav - the Australian Research Council Centre of Excellence in Gravitational Wave Discovery.

David Ernest McClelland
Born(1956-09-26)26 September 1956
Perth
NationalityAustralian
Known forOptical squeezing, Gravitational-wave detectors
AwardsJoseph F Keithley Award (2013)[1]
Special Breakthrough Prize in Fundamental Physics (2016)
Gruber Cosmology Prize (2016)
Walter Boas Medal (2017)
QCMC Award in Quantum Experimentation (2018)
Scientific career
FieldsPhysics
InstitutionsThe Australian National University

David McClelland received his PhD degree from the University of Otago, New Zealand, in 1987. He was awarded a Beverly Research Fellowship before being appointed in 1988 to the Australian National University, as a Lecturer. Since 2001, he has been a professor at the ANU in the Research School of Physics and Engineering, in Canberra (Australia).

In 1990, at the ANU, he and his colleagues (H. Bachor, P. Manson, P. Fisk and D. Hope) demonstrated -0.8 dB of optical squeezing at a few hundred mega Hertz using barium atoms [ref]. Over the years he establish the Centre for Gravitational Physics at the ANU, and build a rich and vibrant research group working on a squeezed light source in the audio-frequency band for future gravitational wave detectors.

In late 2003 with his graduate students they demonstrated squeezing down to a few hundred Hertz using nonlinear crystals.[3] This technique and implementation is still used to produce the best optical squeezers in the world.

In 1998 he became the chair of the Australian Consortium for Interferometric Gravitational Astronomy (ACIGA). This is a consortium of 6 Australian institutions collaborating and working on research and development for current and future gravitational wave detectors around the world. Its members contributed to the LIGO instrument and data analyses for the first direct detection of gravitational waves of a merger of a binary black hole merger.

References
  1. F Keithley Award for Advances in Measurement Science, 2013
  2. Abbott, B.P.; et al. (2016). "Observation of Gravitational Waves from a Binary Black Hole Merger". Phys. Rev. Lett. 116: 061102. arXiv:1602.03837. Bibcode:2016PhRvL.116f1102A. doi:10.1103/PhysRevLett.116.061102. PMID 26918975.
  3. Squeezing in the Audio Gravitational-Wave Detection Band, Kirk McKenzie, Nicolai Grosse, Warwick P. Bowen, Stanley E. Whitcomb, Malcolm B. Gray, David E. McClelland, and Ping Koy Lam, Phys. Rev. Lett. 93, 161105
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