An Experimental Test of Signaling using Quantum Nonlocality

      Since 2007, we have been conducting an experimental and theoretical investigation of the possibility of communication using quantum nonlocality, essentially by selecting particle-like or wave-like behavior of entangled photon pairs to turn an interference pattern off and on as a signal.  In the course of this work, we have gained an understanding of the "show stopper" within the quantum formalism that prevents such nonlocal signaling between observers.  It is the intrinsic complementarity between one- and two-photon interference, an effect that "erases" the potential signals by superimposing two interference patterns that complement each other, resulting in no perceptible interference pattern.  The culmination of this effort is a paper submitted in October-2014 for publication in Foundations of Physics.  A link to this paper is provided here:

"An Inquiry into the Possibility of Nonlocal Quantum Communication", John G. Cramer and  Nick Herbert; arXiv:1409.5098 (2014).

John G. Cramer
11/25/2014

Interim Progress Reports:

• UW CENPA Annual Report 2006-7, Article 2.19 "A Test of Quantum Nonlocal Communication", J. G. Cramer, Warren G. Nagourney, and Skander Mzali, April 22, 2007
  
• UW CENPA Annual Report 2007-8, Article 2.11 "Progress on a Test of Quantum Nonlocal Communication", J. G. Cramer, W. G. Nagourney, D. G. Prindle, and S. Mzali, April-2008
  
• UW CENPA Annual Report 2008-9,  Article 2.15  "Progress on a Test of Quantum Nonlocal Communication", J. G. Cramer, April-2009
  
• UW CENPA Annual Report 2009-10, Article 9.1 "Progress on a Test of Quantum Nonlocal Communication", J. G. Cramer, April-2010
  
• UW CENPA Annual Report 2010-11, Article 7.2 "Status of Nonlocal Quantum Communication Test", J. G. Cramer, K. Hall, B. Parris, and D. B. Pengra, April-2011
  
• UW CENPA Annual Report 2011-12, Article 7.1 "Status of Nonlocal Quantum Communication Test", J. G. Cramer, B. Parris, and D. B. Pengra, April-2012
  
• UW CENPA Annual Report 2012-13, Article 7.1 "Status of Nonlocal Quantum Communication Test", J. G. Cramer, B. Parris, and D. B. Pengra, April-2013
  
• UW CENPA Annual Report 2013-14, Article 7.1 "Status of Nonlocal Quantum Communication Test", J. G. Cramer, April-2014
  

TV Coverage:

•     UW professor aims to make time travel a reality, KOMO TV News, Seattle; (10/28/2012)


•     The Science Channel's Through the Wormhole with Morgan Freeman, "Episode 3 - Is Time Travel Possible?" (6/23/2010)
http://www.komonews.com/news/local/UW-professor-John-Cramer-aims-to-make-time-travel-a-reality-176191071.html

Magazine Articles:

• "What's done is done… or is it?", Patrick Barry, New Scientist, September 26, 2006 (cover article);
   
• "EPR Communication: Signals from the Future?", John G. Cramer, Alternate View Column in Analog Magazine, December, 2006 issue

Newspaper Articles:

• " The future of photons", Deanna Isaacs, University of Washington Daily, November 19, 2012
  
  

  

  • "Going for a blast into the real past", Tom Paulson, Seattle Post-Intelligencer, November 15, 2006
    
    
  • "Science hopes to change events that have already occurred", Patrick Barry, San Francisco Chronicle, January 21, 2007.
    
    
    
    
     
  • "Physicist needs $20,000 for time-travel experiment", Tom Paulson, Seattle Post-Intelligencer, April 8, 2007
    
    
    
     
  • "Public donates to UW scientist to fund backward-in-time research", Tom Paulson, Seattle Post-Intelligencer, June 12, 2007

  Blogs:

  • "Time-twisting test stuck in limbo", Alan Boyle, Cosmic Log, MSNBC, October 12, 2012
     
  • "Backward Research Goes Forward", Alan Boyle, Cosmic Log, MSNBC, July 17, 2007
   
  • "Time-travel physics seems stranger than fiction", Alan Boyle, Cosmic Log, MSNBC, November 21, 2006