Keywords: Photon Source (5941055810).jpg Gated photon source starts with the bright green 532nm wavelength laser beam that strikes a crystal bright green spot center and is converted into pairs of photons at 810nm false colored blue here it's at the end of the red spectrum and 1550nm in the infrared false colored red here The blue beam is the herald channel the red beam goes through a spool of optical fiber right to delay it long enough for the ga6te to open or shut Credit Brida INRIM Disclaimer Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST Use of NIST Information These World Wide Web pages are provided as a public service by the National Institute of Standards and Technology NIST With the exception of material marked as copyrighted information presented on these pages is considered public information and may be distributed or copied Use of appropriate byline/photo/image credits is requested https //www flickr com/photos/usnistgov/5941055810/ Photon Source 2010-12-06 18 33 https //www flickr com/people/63059536 N06 National Institute of Standards and Technology PD-USGov National Institute of Standards and Technology https //flickr com/photos/63059536 N06/5941055810 2016-09-07 02 36 17 United States Government Work Uncategorized 2016 October 20 |