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Proceedings Paper

Synchronization of optically coupled resonant tunneling diode oscillators
Author(s): Bruno Romeira; José M. L. Figueiredo; Charles N. Ironside; José M. Quintana
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Paper Abstract

We experimentally investigate the synchronous response of two fiber-optic coupled optoelectronic circuit oscillators based on resonant tunneling diodes (RTDs). The fiber-optic synchronization link employs injection of a periodic oscillating optical modulated signal generated by a master RTD-laser diode (LD) oscillator to a slave RTD-photodetector (PD) oscillator. The synchronous regimes were evaluated as a function of frequency detuning and optical injection strength. The results show the slave RTD-PD oscillator follows the frequency and noise characteristics of the master RTD-LD oscillator resulting in two oscillators with similar phase noise characteristics exhibiting single side band phase noise levels below -100 dBc/Hz at 1 MHz offset from the carrier frequency. Optical synchronization of RTD-based optoelectronic circuit oscillators have many applications spanning from sensing, to microwave generation, and data transmission.

Paper Details

Date Published: 18 November 2013
PDF: 7 pages
Proc. SPIE 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications, 87851Y (18 November 2013); doi: 10.1117/12.2022468
Show Author Affiliations
Bruno Romeira, Univ. do Algarve (Portugal)
José M. L. Figueiredo, Univ. do Algarve (Portugal)
Charles N. Ironside, Univ. of Glasgow (United Kingdom)
José M. Quintana, Instituto de Microelectrónica de Sevilla (Spain)

Published in SPIE Proceedings Vol. 8785:
8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications
Manuel Filipe P. C. Martins Costa, Editor(s)

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