Dr. Subhadeep De
Time and Frequency Standards
Email address:
Brief Biodata:
  • DP/DU No. and Name:
  • DU#4.01 & 4.03, Time and Frequency Division
  • Educational Qualifications:
  • DegreeSubjectUniversity/InstituteYear
    Ph. D.PhysicsUniversity of Groningen, The Netherlands2008
    M. Sc.PhysicsIndian Institute of Technology Kharagpur, India2003
  • Academics/Research Experience:
  • YearDurationResearch fieldUniversity / Institute Position
    Nov 2012 - presentTwo monthsBuilding Single Trapped Ion Optical Standard with Ytterbium ionTime and Frequency Division, CSIR - NPL, India. Scientist
    Dec 2008 – Oct 2012Three years ten monthsExperimental study of many-body phenomena using Bose Einstein Condensate Rubidium atoms Joint Quantum Institute, University of Maryland and NIST Gaithersburg, Maryland, USA.Research Associate
    May 2004 - Oct. 2008Four years four months Laser Cooling and Trapping of Barium atoms – first time ever. Kernfysisch Versneller Institute, University of Groningen, The Netherlands.Ph. D.
  • Date of Joining NPL:
  • 30 November 2012
  • No. of Publications:
  • SCI JournalsConference/ proceedingsBooksTotal
  • No. of Patents :
  • None so far
  • Current Activity :
    I am involved in building an optical frequency standard on the narrow quadrupole transition at wavelength 435 nm, using single trapped Ytterbium ion (171Yb+).
  • Honours and Award:
    2012 - Post doctoral fellowship at Arhus University, Arhus, Denmark.
    2008 - Post doctoral fellowship at Joint Quantum Institute of NIST and UMD.
    2004 - Ubbo Emmaus junior research fellowship, Govt. of Netherlands.
    2001 - National scholarship, Govt. of India.
    1998 - National merit scholarship, State Govt. of West Bengal, India
  • Affiliations:
    Indian Laser Association (ILA).
    Indian Society of Atomic and Molecular Physics (ISAMP).