Ben Buchler


Dr. Ben Buchler

Associate Professor
ARC Centre for Quantum Computation and Communication Technology (CQC2T)
Department of Quantum Science (Building 38a)
The Australian National University
Canberra ACT 0200

Phone: +61 2 6125 9973 (Office)
Phone: +61 2 6125 1461 (Lab)
Fax: +61 6 125 0741


skype: ben_buchler

Research Interests

Quantum Memory
Atom detection
Squeezed light generation
Squeezing for gravitational wave sensing
Whispering gallery mode resonators




ANU Quantum Optics (Australia)

ETH Nano-Optics (Switzerland)



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70. Dynamical observations of self-stabilizing stationary light
J. L. Everett,    G. T. Campbell,    Y.-W. Cho,    P. Vernaz-Gris,    D.B. Higginbottom,    O. Pinel,    N. P. Robins,    P. K. Lam    & B. C. Buchler
Nature Physics 13, 68–73 (2017)

69. Squeezing quadrature rotation in the acoustic band via optomechanics
Giovanni Guccione, Harry J Slatyer, André R R Carvalho, Ben C Buchler and Ping Koy Lam
Journal of Physics B: Atomic, Molecular and Optical Physics 49, 065401 (2016)

68 Synthesis of optical spring potentials in optomechanical systems
HJ Slatyer, G Guccione, YW Cho, BC Buchler, PK Lam
Journal of Physics B: Atomic, Molecular and Optical Physics 49, 125401 (2016)

67. Squeezed light from a diamond-turned monolithic cavity
A Brieussel, Y Shen, G Campbell, G Guccione, J Janousek, B Hage, BC Buchler, N Treps, Christian Fabre, FZ Fang, XY Li, T Symul, PK Lam
Optics Express 24, 4042-4056 (2016)

66. Highly efficient optical quantum memory with long coherence time in cold atoms
Y.-W. Cho, G. T. Campbell, J. L. Everett, J. Bernu, D. B. Higginbottom, M. T. Cao, J. Geng, N. P. Robins, P. K. Lam, and B. C. Buchler,
Optica  3, 100 (2016).

65. A mirrorless spinwave resonator
O. Pinel, J. L. Everett, M. Hosseini, G. T. Campbell, B. C. Buchler and P. K. Lam
Scientific Reports 5, 17633 (2015).

64. Dual-rail optical gradient echo memory
D. B. Higginbottom, J. Geng, G. T. Campbell, M. Hosseini, M. T. Cao, B. M. Sparkes, J. Bernu, N. P. Robins, P. K. Lam and B. C. Buchler
Optics Express 23 24937 (2015).

63. Electromagnetically induced transparency and four-wave mixing in a cold atomic ensemble with large optical depth
J. Geng, G.T. Campbell, J. Bernu, D.B. Higginbottom, B.M. Sparkes, S.M. Assad, W.P. Zhang, N.P. Robins, P.K. Lam, B.C. Buchler
New Journal of Physics 16 113053 (2014)

62. Multimode laser cooling and ultra-high sensitivity force sensing with nanowires
Mahdi Hosseini,  Giovanni Guccione,  Harry J. Slatyer,  Ben C. Buchler  & Ping Koy Lam
Nature Communications 5, 4663 (2014)

61. Configurable Unitary Transformations and Linear Logic Gates Using Quantum Memories
G. T. Campbell, O. Pinel, M. Hosseini, T. C. Ralph, B. C. Buchler, and P. K. Lam
Phys. Rev. Lett. 113, 063601 (2014).
60. Impact of backscattered light in a squeezing-enhanced interferometric gravitational-wave detector
S. S. Y. Chua et al.
Classical and Quantum Gravity, 31, 035017 (2014).

59. Gradient Echo Quantum Memory in Warm Atomic Vapor
Olivier Pinel, Mahdi Hosseini, Ben M. Sparkes, Jesse L. Everett, Daniel Higginbottom, Geoff T. Campbell, Ping Koy Lam and  Ben C. Buchler
JoVE 2013 81, e5055 (2013).

58. Enhanced sensitivity of the LIGO gravitational wave detector by using squeezed states of light.
LIGO Collaboration and M. Stefszky, B. C. Buchler and P.K. Lam
Nat Photonics,  7, 613-619 (2013).

57. Scattering-Free Optical Levitation of a Cavity Mirror
G. Guccione, M. Hosseini, S. Adlong, M. T. Johnsson, J. Hope, B. C. Buchler, and P. K. Lam
Phys. Rev. Lett. 111, 183001 (2013) 

56. Gradient echo memory in an ultra-high optical depth cold atomic ensemble
B M Sparkes, J Bernu, M Hosseini, J Geng, Q Glorieux, P A Altin, P K Lam, N P Robins and B C Buchler
New Journal of Physics 15 085027 (2013)

55. Generation and interferometric analysis of high charge optical vortices
Yong Shen, Geoff T Campbell, Boris Hage, Hongxin Zou, Ben C Buchler and Ping Koy Lam
Journal of  Optics 15 044005 (2013)

54. Memory-enhanced noiseless cross-phase modulation
M. Hosseini, S. Rebić, B. M. Sparkes, J. Twamley, B. C. Buchler and P.K. Lam
Nature Light Science and Applications 1 e40 (2012)

53. Spatial-mode storage in a gradient echo memory
D. Higginbottom, B.M. Sparkes, M. Rancic, O. Pinel, M. Hosseini, P.K. Lam and B.C. Buchler

Physical Review A, 86, 023801 (2012)

52. Quantum benchmarking with realistic states of light
N. Killoran, M. Hosseini, B. C. Buchler, P. K. Lam, and N. Lütkenhaus
Phys. Rev. A 86, 022331 (2012) 

51. Balanced homodyne detection of optical quantum states at audio-band frequencies and belowM. S. Stefszky, C. M. Mow-Lowry, S. S. Y. Chua, D. A. Shaddock, B. C. Buchler, H. Vahlbruch, A. Khalaidovski, R. Schnabel, P. K. Lam and D. E. McClelland
Classical and  Quantum Gravity 29 145015 (2012)

50. Feasibility of squeezing measurements with cavity-based atom detection
R. Poldy, B. C. Buchler, P. A. Altin, N. P. Robins, and J. D. Close
Phys. Rev. A 86, 043806 (2012)

49. Precision Spectral Manipulation: A Demonstration Using a Coherent Optical Memory
B. M. Sparkes, M. Hosseini, C. Cairns, D. Higginbottom, G. T. Campbell, P. K. Lam, and B. C. Buchler 
Phys. Rev. X 2, 021011 (2012)

48. Storage and manipulation of light using a Raman gradient-echo process
M Hosseini, B M Sparkes, G T Campbell, P K Lam and B C Buchler
J. Phys. B: At. Mol. Opt. Phys. 45 124004 (2012)

47. Time- and frequency-domain polariton interference
G Campbell, M Hosseini, B M Sparkes, P K Lam and B C Buchler
New Journal of Physics 14 033022 (2012)

46. Generation of high-order optical vortices using directly machined spiral phase mirrors
G. Campbell, B. Hage, B. C. Buchler, and P. K. Lam
Applied Optics, Vol. 51, Issue 7, pp. 873-876 (2012) 

45. Quantum Squeezing in advanced gravitational wave detectors
S. Chua, M. Stefszky, C. Mow-Lowry, B.C. Buchlerm, K. McKenzie, D.A. Shaddock, P.K. Lam and D.E. McClelland
International Journal of Modern Physics D 20 2043 (2011) 

44. Backscatter tolerant squeezed light source for advanced gravitational-wave detectors
Sheon S. Y. Chua, Michael S. Stefszky, Conor M. Mow-Lowry, Ben C. Buchler, Sheila Dwyer, Daniel A. Shaddock, Ping Koy Lam, and David E. McClelland
Optics Letters, Vol. 36, Issue 23, pp. 4680-4682 (2011) 

43. Unconditional room-temperature quantum memory
M. Hosseini, G. Campbell, B. M. Sparkes, P. K. Lam and B. C. Buchler
Nature Physics 7, 794–798 (2011)

42. Atom-light interactions: The nonlinearity of single photons
P.K. Lam and B.C. Buchler
Nature Photonics 5 580 (2011)

41. A scalable, self-analyzing digital locking system for use on quantum optics experiments
B. M. Sparkes, H. M. Chrzanowski, D. P. Parrain, B. C. Buchler, P. K. Lam, and T. Symul
Rev. Sci. Instrum. 82, 075113 (2011) 

40. High efficiency coherent optical memory with warm rubidium vapour
M. Hosseini, B. M. Sparkes, G. Campbell, P. K. Lam and B. C. Buchler
Nature Communications 2,174 (2011)

39. Research physicist despairs: on climate change, and beyond, the media fails science
B.C. Buchler (2010)

38. An investigation of doubly-resonant OPOs and non-linear crystals for squeezing
M. Stefszky, C. Mow-Lowry, K. McKenzie, S. Chua, B.C. Buchler, T. Symul, D. McClelland and P.K. Lam
J. Phys. B: At. Mol. Opt. Phys. 44 015502 (2010)

37. Precision spectral manipulation of optical pulses using a coherent photon echo memory
B. C. Buchler, M. Hosseini, G. Hétet, B. M. Sparkes and P. K. Lam
Optics Letters vol. 35 pp 1091-1093 (2010)

36. A coherent optical pulse sequencer for quantum applications,
M. Hosseini, B. M. Sparkes, G. Hétet, J. Longdell, P. K. Lam and B. C. Buchler
Nature vol. 461(7261) pp. 241-245 (2009)

35. Multimodal Properties and Dynamics of Gradient Echo Quantum Memory.
G Hétet, J. J Longdell, M. J Sellars, P. K Lam, B. C Buchler.
Phys. Rev. Lett. vol.101, 203601 (2008)

34. Photon echoes generated by reversing magnetic field gradients in a rubidium vapor.
G Hétet, M Hosseini, B. M Sparkes, D Oblak, P. K Lam, B. C Buchler.
Optics Letters vol. 33 (20) pp. 2323 (2008)

33. R Poldy, B. C Buchler, J. D Close
Single-atom detection with optical cavities.
Phys. Rev. A vol. 78 (1) pp. 013640 (2008)

32. G Hétet, B. C Buchler, O Glöckl, M. T. L Hsu, A. M Akulshin, H. A Bachor, P. K Lam
Delay of squeezing and entanglement using electromagnetically induced transparency in a vapour cell.
Opt Express (2008) vol. 16 (10) pp. 7369 

31. S. Mujumdar, A. F. Koenderink, T. Sünner, B. C. Buchler, M. Kamp, A. Forchel, and V. Sandoghdar,
Near-field imaging and frequency tuning of a high-Q photonic crystal membrane microcavity.
Optics Express, 15, 17214, (2007). 

30. G. Hétet, O. Glöckl, K. A. Pilypas, C. C. Harb, B. C. Buchler, H.-A. Bachor and P. K. Lam
Squeezed light for bandwidth-limited atom optics experiments at the rubidium D1 line.
Journal of Physics B, 40(1), 221, (2007). 

29. M. T. L. Hsu, G. Hétet, O. Glöckl, J. J. Longdell, B. C. Buchler, H.-A. Bachor, and P. K. Lam
Quantum study of information delay in electromagnetically induced transparency
Physical Review Letters, 97(18), 183601, (2006).

28. R. Wüest, D. Erni, P. Strasser, F. Robin, H. Jackel, B.C. Buchler, A.F. Koenderink, V. Sandoghdar, and R. Harbers, A "standing-wave meter" to measure dispersion and loss of photonic-crystal waveguides.
Applied Physics Letters, 87(26), 261110, (2005).


27. A.F. Koenderink, M. Kafesaki, B.C. Buchler, and V. Sandoghdar, Controlling the resonance of a photonic crystal microcavity by a near-field probe.
Physical Review Letters, 95(15), 153904, (2005).

26. A.F. Koenderink, R. Wüest, B.C. Buchler, S. Richter, P. Strasser, M. Kafesaki, A. Rogach, R.B. Wehrspohn, C.M. Soukoulis, D. Erni, F. Robin, H. Jackel, and V. Sandoghdar, Near-field optics and control of photonic crystals.
Photonics and Nanostructures-Fundamentals and Applications, 3(2-3), 63-74, (2005).

25. B.C. Buchler, T. Kalkbrenner, C. Hettich, and V. Sandoghdar, Measuring the quantum efficiency of the optical emission of single radiating dipoles using a scanning mirror.
Physical Review Letters, 95(6), 063003, (2005).

24. P. Olk, B.C. Buchler, V. Sandoghdar, N. Gaponik, A. Eychmuller, and A.L. Rogach, Subwavelength emitters in the near-infrared based on mercury telluride nanocrystals.
Applied Physics Letters, 84(23), 4732-4734, (2004).

23. K. McKenzie, B.C. Buchler, D.A. Shaddock, P.K. Lam, and D.E. McClelland, Analysis of a sub-shot-noise power recycled Michelson interferometer.
Classical and Quantum Gravity, 21(5), S1037-S1043, (2004).

22. B.C. Buchler, P. Kramper, M. Kafesaki, C.M. Soukoulis, and V. Sandoghdar, Near-field optical investigations of photonic crystal microresonators.
IEICE Transactions on Electronics, E87C(3), 371-377, (2004).

21. R. Schnabel, W.P. Bowen, N. Treps, B. Buchler, T.C. Ralph, P.K. Lam, and H.A. Bachor, Optical experiments beyond the quantum limit: Squeezing, entanglement, and teleportation.
Optics and Spectroscopy, 94(5), 651-665, (2003).

20. A. Dolinska, B.C. Buchler, W.P. Bowen, T.C. Ralph, and P.K. Lam, Teleportation of continuous-variable polarization states.
Physical Review A, 68(5), 052308, (2003).

19. W.P. Bowen, N. Treps, B.C. Buchler, R. Schnabel, T.C. Ralph, H.A. Bachor, T. Symul, and P.K. Lam, Experimental investigation of continuous-variable quantum teleportation.
Physical Review A, 67(3), 052308, (2003).

18. W.P. Bowen, N. Treps, B.C. Buchler, R. Schnabel, T.C. Ralph, T. Symul, and P.K. Lam, Unity gain and nonunity gain quantum teleportation.
IEEE Journal of Selected Topics in Quantum Electronics, 9(6), 1519-1532, (2003).

17. U.L. Andersen, B.C. Buchler, P.K. Lam, J.W. Wu, J.R. Gao, and H.A. Bachor, Four modes of optical parametric operation for squeezed state generation.
European Physical Journal D, 27(2), 181-191, (2003).

16. N. Treps, U. Andersen, B. Buchler, P.K. Lam, A. Maitre, H.A. Bachor, and C. Fabre, Surpassing the standard quantum limit for optical imaging using nonclassical multimode light.
Physical Review Letters, 88(20), 203601, (2002).

15. N. Treps, A. Maitre, C. Fabre, U. Andersen, B. Buchler, P.K. Lam, and H.A. Bachor, Reduction of spatial quantum noise and measurement of small shifts in optics.
Journal De Physique IV, 12(PR5), 153-154, (2002).

14. K. McKenzie, D.A. Shaddock, D.E. McClelland, B.C. Buchler, and P.K. Lam, Experimental demonstration of a squeezing-enhanced power-recycled Michelson interferometer for gravitational wave detection.
Physical Review Letters, 88(23), 231102, (2002).

13. F. König, B. Buchler, T. Rechtenwald, G. Leuchs, and A. Sizmann, Soliton backaction-evading measurement using spectral filtering.
Physical Review A, 66(4), 043810, (2002).

12. C. Fabre, U. Andersen, H. Bachor, B. Buchler, S. Gigan, P.K. Lam, A. Maitre, and N. Treps, Quantum information processing in optical images.
Superlattices and Microstructures, 32(4-6), 323-329, (2002).

11. V. Delaubert, D.A. Shaddock, P.K. Lam, B.C. Buchler, H.A. Bachor, and D.E. McClelland, Generation of a phase-flipped Gaussian mode for optical measurements.
Journal of Optics A-Pure and Applied Optics, 4(4), 393-399, (2002).

10. B.C. Buchler, P.K. Lam, H.A. Bachor, U.L. Andersen, and T.C. Ralph, Squeezing more from a quantum nondemolition measurement.
Physical Review A, 65(1), 011803, (2002).

9. U.L. Andersen, B.C. Buchler, H.A. Bachor, and P.K. Lam, Quantum nondemolition measurement with a nonclassical meter input and an electro-optic enhancement.
Journal of Optics B-Quantum and Semiclassical Optics, 4(3), S229-S237, (2002).

8. D.A. Shaddock, B.C. Buchler, W.P. Bowen, M.B. Gray, and P.K. Lam, Modulation-free control of a continuous-wave second-harmonic generator.
Journal of Optics A-Pure and Applied Optics, 2(5), 400-404, (2000).

7. T.C. Ralph, E.H. Huntington, C.C. Harb, B.C. Buchler, P.K. Lam, D.E. Mcclelland, and H.A. Bachor, Understanding and controlling laser intensity noise.
Optical and Quantum Electronics, 31(5-7), 583-598, (1999).

6. P.K. Lam, T.C. Ralph, B.C. Buchler, D.E. McClelland, H.A. Bachor, and J. Gao, Optimization and transfer of vacuum squeezing from an optical parametric oscillator.
Journal of Optics B-Quantum and Semiclassical Optics, 1(4), 469-474, (1999).

5. B.C. Buchler, M.B. Gray, D.A. Shaddock, T.C. Ralph, and D.E. McClelland, Suppression of classic and quantum radiation pressure noise by electro-optic feedback.
Optics Letters, 24(4), 259-261, (1999).

4. B.C. Buchler, E.H. Huntington, and T.C. Ralph, Noiseless phase quadrature amplification via an electro-optic feed-forward technique.
Physical Review A, 60(1), 529-533, (1999).

3. B.C. Buchler, P.K. Lam, and T.C. Ralph, Enhancement of quantum nondemolition measurements with an electro-optic feed-forward amplifier.
Physical Review A, 60(6), 4943-4950, (1999).

2. E.H. Huntington, B.C. Buchler, C.C. Harb, T.C. Ralph, D.E. McClelland, and H.A. Bachor, Feedback control of the intensity-noise of injection locked lasers.
Optics Communications, 145(1-6), 359-366, (1998).

1. B.C. Buchler, E.H. Huntington, C.C. Harb, and T.C. Ralph, Feedback control of laser intensity noise.
Physical Review A, 57(2), 1286-1294, (1998).