Conferences

Authors  Title          Format  Conference  Date
Alexander LingProgress in quantum key distributionInvited TalkSingapore Space Symposium, NUS, Singapore September 2017
Alexander Lohrmann, Aitor Villar, Robert Bedington, Tang Zhongkan, Rakhitha Chandrasekara and Alexander LingA cost-effective approach for aerospace quantum key distributionPoster PresentationTraining workshop on quantum technologies in space, Lisbon, Portugal September 2017
James A Grieve, Robert Bedington, Rakhitha Chandrasekara and Alexander LingSpooQySats: Cubesats to demonstrate quantum key demonstration technologiesOral PresentationInternational Astronautical Congress, Adelaide, Australia September 2017
Rakhitha Chandrasekara, Robert Bedington, Xueliang Bai, Karthik Ilangovan, Yau Yong Sean, Denis Naughton, Simon Barraclough, Douglas Griffin, Russell Boyce and Alexander LingDemonstrating miniaturised, entangled photon-pair sources on board nano satellites to enable future QKD missions.Oral PresentationInternational Astronautical Congress, Adelaide, Australia September 2017 
Robert Bedington, Tanvirul Islam and Alexander LingApproaches to a global QKD networkInvited PresentationSPIE Security+Defense, Warsaw, Poland September 2017
Alexander Lohrmann, Aitor Villar, Robert Bedington, Tang Zhongkan, Rakhitha Chandrasekara and Alexander LingA cost-effective approach for space-based quantum key distributionOral PresentationAQIS 2017, Singapore September 2017
Alexander LingGlobal Quantum Communications: Quantum Satellites and other thingsInvited TalkCLEO Pacific Rim, Singapore August 2017 
Aitor Villar    Photons in space: a demonstration and a roadmap for satellite QKDOral PresentationSingle Photon Workshop, Boulder, CO, USA August 2017
Alexander LingQuantum SafeKeynote SpeakerMyQuantum, PutraJaya, Malaysia May 2017
Robert Bedington Quantum Tech demos on CubeSat nanosatellitesOral Presentation COST Action CA15220, Quantum Technologies in Space, Valletta, Malta March 2017
Robert BedingtonSpooQySats: CubeSats to demonstrate quantum key distribution technologiesInvited TalkGlobal Space & Technology Convention, Singapore  February 2017
Aitor Villar, Arian Stolk, Kadir Durak and Alexander LingEngineering precise selection of emission opening angles to result in high brightness, high quality polarization entangled photon pairs. Oral PresentationInstitute of Physics Singapore Meeting February 2017 
Alexander LingMaking polarization-entangled photon-pairs for nanosatellitesOral PresentationsInsitute for Quantum Computing, Canada and MPL, Germany  January 2017
James A. Grieve  How to build a quantum light source for space Invited TalkSUTD-MIT International Design Centre January 2017
Alexander Ling    SpooQySats: Small Quantum Systems for SpacePlenaryQuantum Engineering Science and Technology Symposium, UTown, Singapore November 2016
James A. Grieve, Brigitta Septriani, Kadir Durak and Alexander Ling Thick-crystal regime in photon pair sources  Oral Presentation     FiO/LS, Rochester, USA  October 2016 
Tang Zhongkan, Rakhitha Chandrasekara, Tan Yue Chuan, Cliff Cheng, Daniel Oi and Alexander Ling Generation and analysis of correlated pairs of photons on a satellite Oral Presentation   FiO/LS, Rochester, USA  October 2016 
Tang Zong Sheng, Kadir Durak and Alexander Ling Fault-tolerant and finite-error localization for point emitters within the diffraction limit Oral Presentation   FiO/LS, Rochester, USA  October 2016 
Tang Zhongkan, Rakhitha Chandrasekara, Tan Yue Chuan, Cliff Cheng, Luo Sha, Goh Cher Hiang, Daniel Oi and Alexander Ling

Generation and analysis of correlated pairs of photons on board a very small spacecraft Oral Presentation ICSO 2016, Biaritz, France  October 2016
Tang Zhongkan, Rakhitha Chandrasekara, Tan Yue Chuan, Cliff Cheng, Luo Sha, Goh Cher Hiang, Daniel Oi and Alexander Ling

Generation and analysis of correlated pairs of photons on board a nanosatellite Invited Talk SPIE Security+Defence, Edinburgh, UK. Won best student paper for Rakthitha Chandrasekara.  September 2016
Tang Zhongkan, Rakhitha Chandrasekara, Tan Yue Chuan, Cliff Cheng, and Alexander Ling The photon pair source that survived an explosion. Invited Talk SPIE Optics+Photonics, San Diego, USA     August 2016 
Tang Zhongkan, Rakhitha Chandrasekara, Tan Yue Chuan, Cliff Cheng, Luo Sha, Goh Cher Hiang, Daniel Oi and Alexander Ling

Quantum physics with CubeSats: in-orbit observation of photon pair correlations on board the Galassia spacecraft Oral Presentation 13th CubeSat Developer's Workshop, Utah, USA              August 2016
Robert Bedington    Quantum technologies in space  Invited Talk  Singapore Space Challenge 2016, Singapore  June 2016 
Tang Zhongkan, Rakhitha Chandrasekara, Tan Yue Chuan, Cliff Cheng, Luo Sha, Goh Cher Hiang, Daniel Oi and Alexander Ling

Generation and analysis of correlated pairs of photons on board a nanosatellite Postdeadline
Oral 
Presentation
CLEO: 2016, San Jose, USA  June 2016
J. A. Grieve, B. X. Tan & A Ling
Highly confining direct written waveguides for integrated quantum photonics
Poster Presentation Institute of Physics Singapore Meeting  March 2016
J. A. Grieve, R Chandrasekara, S Engardt, J Mishra & A Ling

A random number generator based on avalanche photodiode dark counts Poster Presentation Institute of Physics Singapore Meeting  March 2016
R Bedington, C Cheng, T Yue Chuan, E Truong Cao, B Xueliang & A Ling
SpooQySats: Producing entangled photons in nanosatellites to enable future Quantum physics experiments and long-range Quantum Key Distribution. Poster Presentation Institute of Physics Singapore Meeting  March 2016

R Chandrasekara, T Zhongkan, T Yue Chuan, K Durak, C Cheng, J . A. Grieve & A Ling

Pushing single photon counting technology towards better Size, Weight and Power (SWAP) performance. Poster Presentation Institute of Physics Singapore Meeting  March 2016
A Ling Operating quantum devices in space Plenary Speaker     Institute of Physics Singapore Meeting     March 2016

B Septriani, J. A. Grieve, K Durak & A Ling

Engineering high brightness and high efficiency in downconversion sources Oral Presentation Institute of Physics Singapore Meeting  March 2016

R Bedington, D Oi & A Ling

Using CubeSat nanosatellites for fundamental physics experiments Oral Presentation Institute of Physics Singapore Meeting  March 2016

J. A. Grieve, T Zhongkan, R Chandrasekara, C Cheng & A Ling

A scheme for estimating accidental coincidence rates between saturated single photon detectors: the effective duty cycle Oral Presentation Institute of Physics Singapore Meeting  March 2016
T Zhongkan, R Chandrasekara, T Yue Chuan, C Cheng, K Durak & A Ling
Survivor! Analysis of a photon pair source recovered intact from a catastropic launch failure Oral Presentation Institute of Physics Singapore Meeting      March 2016
A Ling  Singapore's Journey into Space Invited Talk & Panel Member. Global Space & Technology Convention, Singapore  February 2016
K Durak, A Villar, P C Wade, R Chandrasekara, T Zhongkan & A Ling The next iteration of the small photon entangling quantum system (SPEQS-2.0)
    
Oral Presentation Photonics West, San Francisco, CA, USA          February 2016
R Bedington, T Zhongkan, R Chanrasekara, T Yue Chuan, C Cheng & A Ling Small Photon Entangling Quantum System (SPEQS) for space-based quantum key distribution (QKD) 

Oral Presentation 66th International Astronautical Congress, Jerusalem, Israel  October 2015 
R Chanrasekara, T Zhongkan, T Yue Chuan, C Cheng & A Ling Deploying quantum light sources on nanosatellites: lessons and perspectives Invited Talk SPIE European Security+Defence: Quantum Information Science and Technology, Toulouse, France   September 2015
J. A.Grieve & A Ling Randomly walking towards a higher bit rate Poster Presentation Quantum Information and Processing, Leeds, UK          September 2015
A Ling Quantum photonics on CubeSats: A true story! Invited Talk       11th China-Singapore Symposium on Frontiers of Research in Physics, Chengdu, Szechuan, China  September 2015
R Chanrasekara, T Zhongkan, T Yue Chuan, C Cheng & A Ling Deploying quantum light sources on nanosatellites: lessons and perspectives Oral Presentation SPIE Optics+Photonics 2015: Quantum Communications and Quantum Imaging XIII, San Diego, CA, USA  August 2015
R Bedington, C Cheng, T Yue Chuan, E Truong-Cao & A Ling A CubeSat programme for the demonstration of a miniaturised entangled photon source for Quantum Key Distribution (QKD)

Oral Presentation 12th Annual Summer CubeSat Developer's Workshop, Utah, USA   August 2015
T Zhongkan, R Chanrasekara, T Yue Chuan, C Cheng & A Ling Small Photon Entangling Quantum System (SPEQS) for Space Based Quantum Experiments

Oral Presentation Small Satellite Conference, Utah, USA  August 2015
T Zhongkan, R Chandrasekara, Y Y Sean, C Cheng & A Ling Small Photon-Entangling Quantum System (SPEQS) pathfinder test results

Poster Presentation Single Photon Workshop, Geneva, Switzerland  July 2015
J Grieve & A Ling Randomly walking towards a higher bit rate Poster 
Presentation
QRandomness, Barcelona, Spain  May 2015
R Chandrasekara, T Zhongkan, T Yue Chuan, C Cheng, & A Ling Single photon counting for space based quantum experiments

Oral Presentation     SPIE Advanced Photon Counting Techniques IX, Baltimore, MD, USA  April 2015
A Ling Entangled Photons in Space - Lessons and Roadmap  
 
Invited Talk UK-CQT Quantum Symposium          March 2015
B Septriani, D X Hung, K Durak & A Ling Updating the Small Photon Entangling Quantum System

Poster
Presentation
Institute of Physics Singapore Meeting  March 2015
J Grieve & A Ling         Nanosatellites for free-space optical (quantum) communication - fact or fiction? 

Invited talk Global Space & Technology Convention, Singapore  February 2015
J Grieve & A Ling Randomly walking towards higher bit rates       Poster Presentation QCrypt 2014, Paris, France  September 2014
L Sha, M Koenraad, G C Hiang, A Ling & S W Seng Galassia System and Mission Oral Presentation 28th Annual AIAA/USU Conference on Small Satellites, Utah, USA  August 2014 
T Zhongkan, R Chandrasekara, S Yau, C Cheng, C Wildfeuer & A Ling High Altitude Demonstration of Correlated Photon Source for Quantum Key Distribution  Oral Presentation ICSOS14, Kobe, Japan  May 2014
A Ling Entangled Photon Sources for Space     Invited Talk         Berge Fest 2014, UTown, Singapore  April 2014
R Chandrasekara, T Zhongkan, Tan Yue Chuan, S Yau, C Cheng, C Wildfeuer & A Ling Quantum Entanglement for Outer Space (Progress Report) Poster Presentation Institute of Physics Singapore Meeting  February 2014
Tan Yue Chuan, R Chandrasekara, C Cheng & A Ling Operating Irradiated Single Photon Detectors onboard Low Resource Satellites

Oral Presentation Single Photon Workshop 2013, Oak Ridge, TN, USA  October 2013
R Chandrasekara, T Zhongkan, Y S Yau, C Cheng, C Wildfeuer & A Ling Quantum Entanglement in Outer Space Poster Presentation Single Photon Workshop 2013, Oak Ridge, TN, USA  October 2013
Alexander Ling SG01: NUSQB50         Oral
Presentation
Asian QB50 Workshop, Beijing, China  September 2013
Alexander Ling Quantum Randomness Generation on Mobile Platforms

Invited Talk Quantum Theory and Progress, Vaxjo, Sweden                      June 2013
James Grieve & A Ling Extracting entropy from quantum random walks Poster Presentation Institute of Physics Singapore Meeting  March 2013
Tan Yue Chuan, R Chandrasekara, C Cheng & A Ling Recovery from Radiation Damage for Si Avalanche Photodiodes

Poster Presentation  Institute of Physics Singapore Meeting  March 2013
R Chandrasekara, T Zhongkan, C Cheng & A Ling Entangled Source Subsystems testing in near SPACE

Oral Presentation Institute of Physics Singapore Meeting  March 2013
Tang Zhongkan, R Chandrasekara, C Cheng & A Ling Small Photon-Entangling Quantum System (SPEQS) for field-deployable communication platforms

Oral Presentation Institute of Physics Singapore Meeting  March 2013
Alexander Ling and Daniel Oi Small Photon-Entangling Quantum System (SPEQS) for LEO satellites

Oral
Presentation
ICSOS12, Ajaccio, France  October 2012
R Chandrasekara, Tan Yue Chuan, Will Morong and Alexander Ling
Radiation Analysis for Low Earth Orbit
Satellites

Poster
Presentation
Institute of Physics Singapore Meeting
 February 2012
Will Morong, Tan Yue Chuan, Alexander Ling
Bias Voltage Adjustment of Avalanche Photo Diode Using Window Comparator For Temperature Fluctuations

Poster Presentation Institute of Physics Singapore Meeting       
 February 2012
Will Morong and Tan Yue Chuan Presenting engineering model for space-based entanglement source at the CQT booth

Outreach Booth  AAAS Annual Meeting, Vancouver, Canada
 February 2012
Alexander Ling
Entangled Photon Systems for Small Satellites

Oral Presentation
 1st Nasa Quantum Future Technologies Conference, Moffett Field, CA
 January 2012
Subash Sachidananda and Alexander Ling
Bias Voltage Control of an Avalanche Photo-Diode using a Window Comparator

co-author
IEEE Summer Topicals 2011, Montreal Canada
 July 2011
Alexander Ling, Jingyun Fan and Alan Migdall
Progress in improving the end-to-end system efficiency of photon pair sources

Oral Presentation
SPIE Optics & Photonics, San Diego, CA, USA
 August 2010
Alexander Ling, Aaron Pearlman, Elizabeth Goldschmidt, Jingyun Fan and Alan Migdall
Enhancing point images beyond Rayleigh's Limit using photon-number-resolving detectors Oral Presentation
SPIE Optics & Photonics, San Diego, CA, USA      
 August 2010
Alexander Ling, Aaron Pearlman, Elizabeth Goldschmidt, Jingyun Fan and Alan Migdall Improving the contrast of images using photon number resolving detectors
Oral Presentation
Single Photon Workshop. Boulder, CO, USA  December 2009
Jun Chen, Alexander Ling, Aaron Pearlman, Jingyun Fan and Alan Migdall A versatile waveguide source of photon pairs for chipscale quantum information computing co-author
Single Photon Workshop, Boulder, CO, USA
 December 2009
Alexander Ling, Jun Chen, Jingyun Fan and Alan Migdall    
Mode expansion and Bragg Filtering for High-Fidelity Fiber-Based Pair Sources

Oral Presentation
SPIE Optics & Photonics. San Diego, CA, USA  August 2009
Alexander Ling, Jun Chen, Jingyun Fan and Alan Migdall   High efficiency source of fiber based photon pairs

Oral Presentation
CLEO/IQEC, Baltimore, MD, USA  May 2009
Alexander Ling, Jun Chen, Jingyun Fan and Alan Migdall Microstructure source for photon pairs Poster Presentation
APS March Meeting, Pittsburgh, PA, USA
 March 2009
Alexander Ling, Jun Chen, Jingyun Fan and Alan Migdall Extraction of correlated 2-photons with near unit efficiency

Oral Presentation
Frontiers in Optics. Rochester, NY, USA  October 2008
Alexander Ling, Antia Lamas-Linares and Christian Kurtsiefer
Absolute Emission Rates of Spontaneous Parametric Down Conversion into a Single Transverse Gaussian Mode

co-author
CLEO/IQEC, San Jose, CA, USA
 May 2008
Alexander Ling,  Antia Lamas-Linares and Chritian Kurtsiefer Experimental polarization state
tomography using photon counting polarimeters

Oral Presentation
SPIE Optics & Photonics. San Diego, USA  August 2006
Alexander Ling,  Soh Kee Pang, Antia Lamas-Linares and Chritian Kurtsiefer Werner State Preparation Oral Presentation
CLEO/IQEC. Tokyo, Japan  July 2005
Alexander Ling,  Soh Kee Pang, Antia Lamas-Linares and Chritian Kurtsiefer Preparation of Werner States Oral Presentation
Laser Physics. Kyoto, Japan  July 2005
Alexander Ling,  Soh Kee Pang, Antia Lamas-Linares and Chritian Kurtsiefer Joint spectrum of photon pairs from an SPDC source Oral Presentation
3rd Asia-Pacific Conference on Quantum Information  December 2004