Tavares, J. S.Pessoa, L. M.Figueiredo, JoséSalgado, H. M.2019-11-202019-11-202017978-1-5386-0859-32162-7339http://hdl.handle.net/10400.1/13282In this paper, we investigate the optical modulation characteristics of a resonant tunnelling diode (RTD) oscillator. This preliminary work on the first RTD-PD oscillators with an optical window available from the iBROW project demonstrate that this device can effectively be used to accomplish amplitude and frequency modulation with light injection.engconference object