Prof. Timothy C. Ralph Profile

Prof. Timothy C. Ralph

Professor at Macquarie Univ

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 7 December 2016 Presentation

Enhancing optical quantum channels (Conference Presentation)

Austin Lund, Timothy Ralph

Proceedings Volume 9980, 99800K (2016) https://doi.org/10.1117/12.2237438

KEYWORDS: Channel projecting optics, Quantum optics, Quantum information, Computer programming, Quantum communications, Current controlled current source

Read Abstract +

Proceedings Article | 7 December 2016 Presentation

A quantum Fredkin gate (Conference Presentation)

Raj Patel, Joseph Ho, Franck Ferreyrol, Timothy Ralph, Geoff Pryde

Proceedings Volume 9996, 99960M (2016) https://doi.org/10.1117/12.2240833

KEYWORDS: Cryptography, Quantum computing, Computing systems, Quantum communications, Logic, Quantum cryptography, Quantum information, Quantum information processing, Logic devices, Circuit switching

Read Abstract +

Proceedings Article | 26 May 2016 Paper

Comparative analysis of Worldview-2 and Landsat 8 for coastal saltmarsh mapping accuracy assessment

Sikdar M. Rasel, Hsing-Chung Chang, Israt Jahan Diti, Tim Ralph, Neil Saintilan

Proceedings Volume 9864, 986409 (2016) https://doi.org/10.1117/12.2222960

KEYWORDS: Landsat, Spatial resolution, Sensors, Vegetation, Accuracy assessment, Spectral resolution, Principal component analysis, Calibration, Reflectivity, Earth observing sensors

Read Abstract +

Proceedings Article | 14 October 2015 Paper

Endmember identification from EO-1 Hyperion L1_R hyperspectral data to build saltmarsh spectral library in Hunter Wetland, NSW, Australia

Sikdar Rasel, Hsing-Chung Chang, Tim Ralph, Neil Saintilan

Proceedings Volume 9637, 96371O (2015) https://doi.org/10.1117/12.2195444

KEYWORDS: Visualization, Vegetation, Sensors, Reflectivity, Atmospheric corrections, Remote sensing, Spatial resolution, Ecosystems, Short wave infrared radiation, Absorption

Read Abstract +

Proceedings Article | 18 November 2014 Paper

Measurement-based noiseless linear amplification for quantum communication

H. Chrzanowski, N. Walk, J. Y. Haw, O. Thearle, S. Assad, J. Janousek, S. Hosseini, T. Ralph, T. Symul, P. K. Lam

Proceedings Volume 9269, 926902 (2014) https://doi.org/10.1117/12.2071884

KEYWORDS: Quantum communications, Quantum key distribution, Heterodyning, Quantum computing, Optical amplifiers, Amplifiers, Optical fibers, Entangled states, Quantum information

Read Abstract +

Proceedings Article | 25 September 2007 Paper

Can gravitational curvature induce decorrelation of optical entanglement?

T. Ralph, G. Milburn, T. Downes

Proceedings Volume 6710, 67100P (2007) https://doi.org/10.1117/12.740085

KEYWORDS: Photons, Mirrors, Sensors, Quantum information, Space operations, Quantum optics, Photon counting, Quantum physics, Quantum communications, Fourier transforms

Read Abstract +

Proceedings Article | 29 August 2006 Paper

A model for nonlinear quantum evolution based on time displaced entanglement

T. Ralph

Proceedings Volume 6305, 63050P (2006) https://doi.org/10.1117/12.680097

KEYWORDS: Quantum communications, Quantum information, Clocks, Quantum mechanics, Entangled states, Quantum physics, Thermodynamics, Quantum computing, Relativity, Superposition

Read Abstract +

Proceedings Article | 16 January 2006 Paper

A complete quantum cryptographic system using a continuous wave laser

Vikram Sharma, Andrew Lance, Thomas Symul, Christian Weedbrook, Timothy Ralph, Ping Lam

Proceedings Volume 6038, 603803 (2006) https://doi.org/10.1117/12.651721

KEYWORDS: Quantum key distribution, Quantum information, Binary data, Beam splitters, Continuous wave operation, Switching, Modulation, Information security, Computer programming, Data processing

Read Abstract +

Proceedings Article | 13 September 2005 Paper

Using entanglement in photonic qubit measurements

G. Pryde, J. O'Brien, A. White, T. Ralph, S. Bartlett, H. Wiseman

Proceedings Volume 5893, 58930Y (2005) https://doi.org/10.1117/12.616166

KEYWORDS: Quantum communications, Polarization, Quantum physics, Beam splitters, Quantum information, Quantum computing, Nondestructive evaluation, Wave plates, Telecommunications, Optical circuits

Read Abstract +

Proceedings Article | 3 February 2004 Paper

Investigation of two qubit quantum gates in linear optics

Timothy Ralph, Nathan Langford, Tamyka Bell, Jeremy O'Brien, Geoff Pryde, Andrew White, Gerard Milburn

Proceedings Volume 5161, (2004) https://doi.org/10.1117/12.505078

KEYWORDS: Beam splitters, Quantum communications, Photons, Polarization, Interferometers, Quantum computing, Quantum optics, Entangled states, Error analysis, Reflectivity

Read Abstract +

Proceedings Article | 16 May 2003 Open Access

Optical squeezing in temporal, polarization, and spatial domains

Thomas Symul, Warwick Bowen, Roman Schnabel, Nicolas Treps, Ben Buchler, Timothy Ralph, Andrew Lance, Nicolai Grosse, A. Dolinska, J. Wu, J. Gao, Claude Fabre, Hans-Albert Bachor, Ping Lam

Proceedings Volume 5111, (2003) https://doi.org/10.1117/12.497081

KEYWORDS: Polarization, Beam splitters, Sensors, Quantum information, Second-harmonic generation, Oscillators, Homodyne detection, Signal to noise ratio, Optical amplifiers, Mirrors

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 16 May 2003 Paper

Quantum information processing with Schrödinger cats

Kae Nemoto, Alexei Gilchrist, William Munro, Tim Ralph, Samuel Braunstein, Gerard Milburn

Proceedings Volume 5111, (2003) https://doi.org/10.1117/12.497230

KEYWORDS: Quantum communications, Photons, Quantum computing, Superposition, Quantum information, Teleportation, Quantum optics, Computer programming, Quantum information processing, Metrology

Read Abstract +

Proceedings Article | 13 September 2002 Paper

Quantum computation based on linear optics

Timothy Ralph, W. Munro, Gerard Milburn

Proceedings Volume 4917, (2002) https://doi.org/10.1117/12.483016

KEYWORDS: Photons, Quantum communications, Beam splitters, Interferometers, Single photon, Quantum computing, Computer programming, Superposition, Reflectivity, Quantum optics

Read Abstract +

Proceedings Article | 24 May 1999 Paper

Feedback control of the intensity noise of injection-locked lasers

Elanor Huntington, Charles Harb, B. Buchler, Timothy Ralph

Proceedings Volume 3611, (1999) https://doi.org/10.1117/12.349268

KEYWORDS: Feedback loops, Laser stabilization, Nd:YAG lasers, Laser systems engineering, Feedback control, Servomechanisms, Control systems, Fermium, Modulation, Calibration

Read Abstract +

Proceedings Article | 6 May 1996 Paper

Experiments and theory of laser noise: consequences for squeezing and injection locking

Hans-Albert Bachor, Matthew Taubman, Timothy Ralph, Charles Harb, A. White, David McClelland

Proceedings Volume 2799, (1996) https://doi.org/10.1117/12.239824

KEYWORDS: Second-harmonic generation, Nd:YAG lasers, Laser resonators, Systems modeling, Laser systems engineering, Semiconductor lasers, Resonators, Light, Sensors, Performance modeling

Read Abstract +

Showing 5 of 15 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years