Unique Identification with Resonant Tunneling Diodes

  • Jonathan RobertsEmail author
Part of the Springer Theses book series (Springer Theses)


Electronic devices have become extremely prominent in everyday life, and it is now commonplace for them to control critical tasks, such as managing financial transactions. Therefore, it is of key importance that these devices can be securely identified to prevent illegitimate parties mimicking themselves as genuine, and gaining access to sensitive information. The popular methods of identification currently in use rely on the end user providing some information about themselves, such as a fingerprint or a password, but these authentication methods are known to be extremely vulnerable. Identities can also be provided by systems that exploit physical disorder, but there is a growing need for the security to be as robust as physically possible. Resonant tunneling diodes (RTDs), can provide such an uncomplicated measurement of identity, corresponding to the straightforward measurement of the macroscopic current that passes through the device.


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© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Department of PhysicsLancaster UniversityLancasterUK

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