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Lensless integrated optics spectrum analyzer

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2 Author(s)
Thylen, L. ; Laboratory of Photonics and Microwave Engineering, Royal Insitute of Technology, Kista, Sweden ; Stensland, L.

An electrooptic integrated optics spectrum analyzer is investigated in which an electrode array with a spatially varying period performs the functions of the collimation and transformation lenses and of the signal introduction. The device yields a weighted discrete Fourier transform (DFT) of the voltages on the electrodes. An implementation of the device would be fully compatible with planar photolithographic processes.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:18 ,  Issue: 3 )