Dr Christopher Baker
UQ Amplify Fellow
Physics
+61 7 336 53436
Physics Annexe (06), Room 332
Personal Page
Researcher biography
Dr Baker's research to date has been broadly focussed in the area cavity-optomechanics, with expertise in a range of related topics including superfluid physics, on-chip photonics, nanomechanical logic and micro-electromechanical systems (MEMS).
He received a PhD in Physics from the University of Paris in 2013 for work in the field of cavity optomechanics.
He is currently an ARC DECRA Fellow physicist at the University of Queensland, working in the Queensland Quantum Optics Laboratory with Professor Warwick Bowen.
You can read more about his research and access his latest publications on his personal website.
Book Chapters
Schmidt, Mikołaj K., Baker, Christopher G. and Laer, Raphaël Van (2022). The convergence of cavity optomechanics and Brillouin scattering. Brillouin Scattering Part 1. (pp. 93-131) London, United Kingdom: Academic Press. doi: 10.1016/bs.semsem.2022.04.005
Bowen, Warwick P., Baker, Christopher G. and Harris, Jack G. E. (2022). Superfluid SBS. Brillouin scattering; Part 1. (pp. 193-225) edited by Benjamin J. Eggleton, Michael J. Steel and Christopher G. Poulton. Cambridge, MA, United States: Academic Press. doi: 10.1016/bs.semsem.2022.04.004
Ding, Lu, Baker, Christophe, Andronico, Alessio, Parrain, David, Senellart, Pascale, Lemaitre, Aristide, Ducci, Sara, Leo, Giuseppe and Favero, Ivan (2014). Gallium arsenide disk optomechanical resonators. Handbook of optical microcavities. (pp. 381-440) edited by Choi, Anthony H. W.. Boca Raton, FL USA: Pan Stanford Publishing Pte. Ltd.. doi: 10.1201/b17366-12
Journal Articles
Hirsch, T. M. F., Mauranyapin, N. P., Romero, E., Jin, X., Harris, G., Baker, C. G. and Bowen, W. P. (2024). Directional emission in an on-chip acoustic waveguide. Applied Physics Letters, 124 (1) 013504. doi: 10.1063/5.0180794
Sawadsky, Andreas, Harrison, Raymond A., Harris, Glen I., Wasserman, Walter W., Sfendla, Yasmine L., Bowen, Warwick P. and Baker, Christopher G. (2023). Engineered entropic forces allow ultrastrong dynamical backaction. Science Advances, 9 (21) eade3591, 1-10. doi: 10.1126/sciadv.ade3591
Jin, X., Baker, C. G., Romero, E., Mauranyapin, N. P., Hirsch, T. M.F., Bowen, W. P. and Harris, G. I. (2023). Cascading of Nanomechanical Resonator Logic. International Journal of Unconventional Computing, 18 (1), 49-66.
Wasserman, W. W., Harrison, R. A., Harris, G. I., Sawadsky, A., Sfendla, Y. L., Bowen, W. P. and Baker, C. G. (2022). Cryogenic and hermetically sealed packaging of photonic chips for optomechanics. Optics Express, 30 (17) 30822, 30822-30831. doi: 10.1364/oe.463752
Allain, Pierre Etienne, Guha, Biswarup, Baker, Christophe, Parrain, David, Lemaître, Aristide, Leo, Giuseppe and Favero, Ivan (2021). Electro-optomechanical modulation instability in a semiconductor resonator. Physical Review Letters, 126 (24) 243901. doi: 10.1103/physrevlett.126.243901
Mauranyapin, Nicolas P., Romero, Erick, Kalra, Rachpon, Harris, Glen, Baker, Christopher G. and Bowen, Warwick P. (2021). Tunneling of transverse acoustic waves on a silicon chip. Physical Review Applied, 15 (5) 054036, 1-9. doi: 10.1103/physrevapplied.15.054036
Sfendla, Y. L., Baker, C. G., Harris, G. I., Tian, L., Harrison, R. A. and Bowen, W. P. (2021). Extreme quantum nonlinearity in superfluid thin-film surface waves. npj Quantum Information, 7 (1) 62, 1-12. doi: 10.1038/s41534-021-00393-3
Bekker, Christiaan J., Baker, Christopher G. and Bowen, Warwick P. (2021). Optically tunable photoluminescence and up-conversion lasing on a chip. Physical Review Applied, 15 (3) 034022. doi: 10.1103/physrevapplied.15.034022
Harris, Glen I., Sawadsky, Andreas, Sfendla, Yasmine L., Wasserman, Walter W., Bowen, Warwick P. and Baker, Christopher G. (2020). Proposal for a quantum traveling Brillouin resonator. Optics Express, 28 (15), 22450-22461. doi: 10.1364/oe.397478
He, Xin, Harris, Glen I., Baker, Christopher G., Sawadsky, Andreas, Sfendla, Yasmine L., Sachkou, Yauhen P., Forstner, Stefan and Bowen, Warwick P. (2020). Strong optical coupling through superfluid Brillouin lasing. Nature Physics, 16 (4), 417-421. doi: 10.1038/s41567-020-0785-0
Sachkou, Yauhen P., Baker, Christopher G., Harris, Glen I., Stockdale, Oliver R., Forstner, Stefan, Reeves, Matthew T., He, Xin, McAuslan, David L., Bradley, Ashton S., Davis, Matthew J. and Bowen, Warwick P. (2019). Coherent vortex dynamics in a strongly interacting superfluid on a silicon chip. Science, 366 (6472), 1480-1485. doi: 10.1126/science.aaw9229
Romero, E., Kalra, R., Mauranyapin, N. P., Baker, C.G., Meng, C. and Bowen, W. P. (2019). Propagation and imaging of mechanical waves in a highly stressed single-mode acoustic waveguide. Physical Review Applied, 11 (6) 064035. doi: 10.1103/physrevapplied.11.064035
Forstner, Stefan, Sachkou, Yauhen, Woolley, Matthew James, Harris, Glen, He, Xin, Bowen, Warwick P and Baker, Christopher G (2019). Modelling of vorticity, sound and their interaction in two-dimensional superfluids. New Journal of Physics, 21 (5) 053029, 053029. doi: 10.1088/1367-2630/ab1bb5
Bekker, Christiaan, Baker, Christopher G., Kalra, Rachpon, Cheng, Han-Hao, Li, Bei-Bei, Prakash, Varun and Bowen, Warwick P. (2018). Free spectral range electrical tuning of a high quality on-chip microcavity. Optics Express, 26 (26), 33649-33670. doi: 10.1364/oe.26.033649
Gil-Santos, Eduardo, Baker, Christopher, Lemaître, Aristide, Ducci, Sara, Gomez, Carmen, Leo, Giuseppe and Favero, Ivan (2018). Erratum to: Scalable high-precision tuning of photonic resonators by resonant cavity-enhanced photoelectrochemical etching (Nature Communications, (2017), 8, (14267), 10.1038/ncomms14267). Nature Communications, 9 (1) 3475. doi: 10.1038/s41467-018-05788-z
Baker, Chris (2018). Promises and pitfalls of imaging the brain. Nature, 562 (7727), 340-342. doi: 10.1038/d41586-018-07043-3
Bekker, Christiaan, Kalra, Rachpon, Baker, Christopher and Bowen, Warwick P. (2017). Injection locking of an electro-optomechanical device. Optica, 4 (10) 301920, 1196-1204. doi: 10.1364/OPTICA.4.001196
Baker, Christopher G. and Bowen, Warwick P. (2017). Precision measurement: sensing past the quantum limit. Nature, 547 (7662), 164-165. doi: 10.1038/547164a
Gil-Santos, E., Labousse, M., Baker, C., Goetschy, A., Hease, W., Gomez, C., Lemaitre, A., Leo, G., Ciuti, C. and Favero, I. (2017). Light-mediated cascaded locking of Multiple nano-optomechanical oscillators. Physical Review Letters, 118 (063605) 063605. doi: 10.1103/PhysRevLett.118.063605
Gil-Santos, Eduardo, Baker, Christopher, Lemaitre, Aristide, Gomez, Carmen, Leo, Giuseppe and Favero, Ivan (2017). Scalable high-precision tuning of photonic resonators by resonant cavity-enhanced photoelectrochemical etching. Nature Communications, 8 (1) 14267, 14267.1-14267.7. doi: 10.1038/ncomms14267
Baker, Christopher G., Harris, Glen I., McAuslan, David L., Sachkou, Yauhen, He, Xin and Bowen, Warwick P. (2016). Theoretical framework for thin film superfluid optomechanics: towards the quantum regime. New Journal of Physics, 18 (12) 123025, 123025. doi: 10.1088/1367-2630/aa520d
Madsen, Lars S., Baker, Christopher, Rubinsztein-Dunlop, Halina and Bowen, Warwick P. (2016). Nondestructive profilometry of optical nanofibers. Nano Letters, 16 (12), 7333-7337. doi: 10.1021/acs.nanolett.6b02460
Baker, Christopher G., Bekker, Christiaan, McAuslan, David L., Sheridan, Eoin and Bowen, Warwick P. (2016). High bandwidth on-chip capacitive tuning of microtoroid resonators. Optics Express, 24 (18), 20400-20412. doi: 10.1364/OE.24.020400
Harris, G. I., McAuslan, D. L., Sheridan, E., Sachkou, Y., Baker, C. and Bowen, W. P. (2016). Laser cooling and control of excitations in superfluid helium. Nature Physics, 12 (8), 788-793. doi: 10.1038/nphys3714
McAuslan, D. L., Harris, G. I., Baker, C., Sachkou, Y., He, X., Sheridan, E. and Bowen, W. P. (2016). Microphotonic forces from superfluid flow. Physical Review X, 6 (2) 021012. doi: 10.1103/PhysRevX.6.021012
Gil-Santos, E., Baker, C., Nguyen, D. T., Hease, W., Gomez, C., Lemaitre, A., Ducci, S., Leo, G. and Favero, I. (2015). High-frequency nano-optomechanical disk resonators in liquids. Nature Nanotechnology, 10 (9), 810-816. doi: 10.1038/nnano.2015.160
Parrain, David, Baker, Christophe, Wang, Guillaume, Guha, Biswarup, Santos, Eduardo Gil, Lemaitre, Aristide, Senellart, Pascale, Leo, Giuseppe, Ducci, Sara and Favero, Ivan (2015). Origin of optical losses in gallium arsenide disk whispering gallery resonators. Optics Express, 23 (15), 19656-19672. doi: 10.1364/OE.23.019656
Nguyen, Dac Trung, Hease, William, Baker, Christopher, Gil-Santos, Eduardo, Senellart, Pascale, Lemaitre, Aristide, Ducci, Sara, Leo, Giuseppe and Favero, Ivan (2015). Improved optomechanical disk resonator sitting on a pedestal mechanical shield. New Journal of Physics, 17 (2) 023016, 023016-023016. doi: 10.1088/1367-2630/17/2/023016
Baker, Christopher, Hease, William, Nguyen, Dac-Trung, Andronico, Alessio, Ducci, Sara, Leo, Giuseppe and Favero, Ivan (2014). Photoelastic coupling in gallium arsenide optomechanical disk resonators. Optics Express, 22 (12), 14072-14086. doi: 10.1364/OE.22.014072
Nguyen, D. T., Baker, C., Hease, W., Sejil, S., Senellart, P., Lemaitre, A., Ducci, S., Leo, G. and Favero, I. (2013). Ultrahigh Q-frequency product for optomechanical disk resonators with a mechanical shield. Applied Physics Letters, 103 (24) 241112, 241112. doi: 10.1063/1.4846515
Baker, Christophe, Stapfner, Sebastian, Parrain, David, Ducci, Sara, Leo, Giuseppe, Weig, Eva M. and Favero, Ivan (2012). Optical instability and self-pulsing in silicon nitride whispering gallery resonators. Optics Express, 20 (27), 29076-29089. doi: 10.1364/OE.20.029076
Parrain, D., Baker, C., Verdier, T., Senellart, P., Lemaitre, A., Ducci, S., Leo, G. and Favero, I. (2012). Damping of optomechanical disks resonators vibrating in air. Applied Physics Letters, 100 (24) 242105, 1-5. doi: 10.1063/1.4729014
Baker, C., Belacel, C., Andronico, A., Senellart, P., Lemaitre, A., Galopin, E., Ducci, S., Leo, G. and Favero, I. (2011). Critical optical coupling between a GaAs disk and a nanowaveguide suspended on the chip. Applied Physics Letters, 99 (15) 151117, 151117. doi: 10.1063/1.3651493
Ding, L., Baker, C., Senellart, P., Lemaitre, A., Ducci, S., Leo, G. and Favero, I. (2011). Wavelength-sized GaAs optomechanical resonators with gigahertz frequency. Applied Physics Letters, 98 (11) 113108, 113108. doi: 10.1063/1.3563711
Ding, Lu, Baker, Christophe, Senellart, Pascale, Lemaitre, Aristide, Ducci, Sara, Leo, Giuseppe and Favero, Ivan (2010). High frequency GaAs nano-optomechanical disk resonator. Physical Review Letters, 105 (26) 263903. doi: 10.1103/PhysRevLett.105.263903
Conference Papers
Sfendla, Yasmine L., He, Xin, Harris, Glen I., Baker, Christopher G., Sawadsky, Andreas, Sachkou, Yauhen P., Forstner, Stefan and Bowen, Warwick P. (2020). Strong photon coupling and confinement in an on-chip liquid-based brillouin laser. Frontiers in Optics + Laser Science APS/DLS, Washington, DC, United States, 14-17 September 2020. Washington, DC, United States: The Optical Society. doi: 10.1364/FIO.2020.JTu7B.4
Bekker, Christiaan, Baker, Christopher G., Kalra, Rachpon, Cheng, Han-Hao, Li, Bei-Bei, Prakash, Varun and Bowen, Warwick P. (2019). Free spectral range electrical tuning of a double disk microcavity. Quantum Information and Measurement 2019, Rome Italy, 4–6 April 2019. Washington, DC United States: Optica. doi: 10.1364/QIM.2019.T5A.2
He, Xin, Baker, Christopher, Sachkou, Yauhen, Sawadsky, Andreas, Forstner, Stefan, Sfendla, Yasmine and Bowen, Warwick (2018). Phonon confinement by the force of light. Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2018, Hong Kong, China, July 29 - August 3 2018. Washington, DC United States: OSA - The Optical Society. doi: 10.1364/cleopr.2018.tu3f.3
Bekker, Christiaan, Baker, Christopher, Kalra, Rachpon and Bowen, Warwick P. (2017). Inertial injection locking in an electro-optomechanical system. Frontiers in Optics 2017, Washington, D.C., United States, 18–21 September 2017. Washington, D.C.: OSA - The Optical Society. doi: 10.1364/FIO.2017.FTh3B.1
McAuslan, D. L., Harris, G. I., Baker C., Sachkou Y. and Bowen, W. P. (2016). Superfluid optomechanics. Conference on Lasers and Electro-Optics Pacific Rim, Busan, Korea, 24-28 August 2015. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/CLEOPR.2015.7375887
Gil-Santos, Eduardo, Baker, Christophe, Dac Trung Nguyen, Hease, William, Gomez, Carmen, Lemaitre, Aristide, Ducci, Sara, Leo, Giuseppe and Favero, Ivan (2016). Nano-optomechanical disk resonators operating in liquids for sensing applications. 29th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Shanghai, Peoples Republic of China, 24-28 January 2016. Piscataway, NJ, United States: IEEE. doi: 10.1109/MEMSYS.2016.7421603
Harris, G. I., McAuslan, D. L., Baker, C., Sachkou, Y., Sheridan, E., Duan, Z. and Bowen, W. P. (2015). Optomechanics with superfluid helium-4. CLEO: QELS Applications and Technology (CLEO QELS 2015), San Jose, CA, United States, 10-15 May 2015. Washington, DC, United States: Optical Society of America (OSA). doi: 10.1364/CLEO_AT.2015.JTh5B.2
Parrain, D., Nguyen, D. T., Baker, C., Senellart, P., Lemaitre, A., Leo, G., Ducci, S. and Favero, I. (2013). Non-linear Optomechanical Resonators based on Gallium Arsenide. Nonlinear Optics 2013, Kohala Coast, Hawaii, United States, 21–26 July 2013. Washington, DC United States: Optical Society of America. doi: 10.1364/nlo.2013.nw3b.5
Baker, C., Parrain, D., Senellart, P., Lemaitre, A., Ducci, S., Leo, G. and Favero, I. (2012). GaAs nano-optomechanical systems. Laser Science 2012, Rochester, New York, United States, 14–18 October 2012. Washington, D.C., United States: OSA. doi: 10.1364/ls.2012.lth2h.4
Baker, C., Ding, L., Senellart, P., Lemaitre, A., Ducci, S., Leo, G. and Favero, I. (2011). GaAs disks optomechanics. European Quantum Electronics Conference, EQEC 2011, , , May 22, 2011-May 26, 2011.
Baker, C., Ding, L., Senellart, P., Lemaitre, A., Ducci, S., Leo, G. and Favero, I. (2011). GaAs disks optomechanics. Frontiers in Optics, FiO 2011, , , October 16, 2011-October 20, 2011.
Baker, C., Ding, L., Senellart, P., Lemaitre, A., Ducci, S., Leo, G. and Favero, I. (2011). GaAs disks optomechanics. 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011, , , May 22, 2011-May 26, 2011. IEEE. doi: 10.1109/cleoe.2011.5943653
Baker, C., Ding, L., Senellart, P., Lemaitre, A., Ducci, S., Leo, G. and Favero, I. (2011). GaAs disks optomechanics. Frontiers in Optics 2011 , San Jose, California, United States , 16–20 October 2011. Washington, D.C., United States: OSA. doi: 10.1364/fio.2011.ftun1
Thesis
Baker, Christopher (2013). On-chip nano-optomechanical whispering gallery resonators. PhD Thesis, Laboratoire Matériaux et Phénomènes Quantiques, University Paris Diderot - Paris VII.
Patents
Warwick Bowen and Christopher Baker (2019). Tunable optical device. US10509172B2.
Favero, Ivan , Baker, Christopher and Gil-Santos, Eduardo (2016). Method for tuning one or more resonator(s). WO2016146409 A1.