Measuring Two-Dimensional Translations with Nanoscale-Resolution by Using Quasiperiodic Dynamics in a Laser Diode

Damien Rontani (1) , Seth D Cohen , Andres Aragoneses , Cristina Masoller (2) , M C Torrent , Daniel J. Gauthier (3)

1 LMOPS - Laboratoire Matériaux Optiques, Photonique et Systèmes
2 Departament de Física i Enginyeria Nuclear
3 PROMES - Procédés, Matériaux et Energie Solaire

We describe a novel approach to perform position sensing of reflecting object by using complex dynamics of a laser diode and we demonstrate sub-wavelength precision of ∼λ/160. With telecom band wavelength, this corresponds to resolving position of object with nanoscale precision.

Domains: Engineering Sciences [physics]

Damien Rontani, Seth D Cohen, Andres Aragoneses, Cristina Masoller, M C Torrent, et al.. Measuring Two-Dimensional Translations with Nanoscale-Resolution by Using Quasiperiodic Dynamics in a Laser Diode. International Symposium on Nonlinear Theory and its Applications NOLTA’14, Sep 2014, Luzern, Switzerland. pp.6126. ⟨hal-01109976⟩