The 28-year-old specialised in quantum optics and nanophotonics -- used to make high-powered computers -- and worked for the Max Planck Institute for several months between 2009 and 2011.
Der Spiegel says the man identified as Ivan A. Transmitted confidential research results to the Russian secret services during that time.
German intelligence officials fell on the researcher's trail after monitoring a Russian diplomat who worked in the consulate in Bonn in the west of Germany, and who met Ivan A. every month, according to the weekly.
Contacted by AFP, the federal prosecutor cited in Der Spiegel as heading the investigation did not comment on the case.
This would not be the first time that the scientist has faced trouble with German authorities.
According to the weekly, the scientist was briefly detained and questioned last year at Duesseldorf airport. At the time, he worked for the Eindhoven University of Technology in the Netherlands.
In October 2011, German authorities arrested a Russian couple accused of spying after police caught the woman listening to encrypted messages on a transmitter.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
