Low phase noise 10 GHz coupled optoelectronic oscillator

Lelièvre, Oriane; Crozatier, V.; Baili, Ghaya; Nouchi, P.; Dolfi, Daniel; Morvan, Loïc; Goldfarb, Fabienne; Bretenaker, Fabien; Llopis, Olivier

doi:10.1109/fcs.2017.8088937

Cited by 2 publications

(1 citation statement)

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“…Different types of configurations for the OEO have already been presented in the literature. The dual-loop and multi-loop configurations [11][12][13][14], coupled OEO [15][16][17][18], injection-locked OEO [19][20][21][22], OEO with quality multiplier [23], and OEO with feedback loop [24] are some of the well-known configurations. Moreover, optical solutions are possible by adding components such as optical filters [25][26][27] and optical amplifiers [28,29] or by adjusting the optical link to achieve an optical gain [30].…”

Section: Introductionmentioning

confidence: 99%

Opto-Electronic Oscillators for Micro- and Millimeter Wave Signal Generation

Ilgaz

Batagelj

2021

Electronics

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High-frequency signal oscillators are devices needed for a variety of scientific disciplines. One of their fundamental requirements is low phase noise in the micro- and millimeter wave ranges. The opto-electronic oscillator (OEO) is a good candidate for this, as it is capable of generating a signal with very low phase noise in the micro- and millimeter wave ranges. The OEO consists of an optical resonator with electrical feedback components. The optical components form a delay line, which has the advantage that the phase noise is independent of the oscillator’s frequency. Furthermore, by using a long delay line, the phase noise characteristics of the oscillator are improved. This makes it possible to widen the range of possible OEO applications. In this paper we have reviewed the state of the art for OEOs and micro- and millimeter wave signal generation as well as new developments for OEOs and the use of OEOs in a variety of applications. In addition, a possible implementation of a centralized OEO signal distribution as a local oscillator for a 5G radio access network (RAN) is demonstrated.

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