Optoelectronic oscillator for photonic systems

We describe a novel photonic oscillator that converts continuous-light energy into stable and spectrally pure microwave signals. This optoelectronic oscillator (OEO) consists of a pump laser and a feedback circuit including an intensity modulator, an optical-fiber delay line, a photodetector an ampl...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 1996-07, Vol.32 (7), p.1141-1149
Main Authors: Yao, X.S., Maleki, L.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Injection-locked oscillators
Laser excitation
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwave oscillators
Optical feedback
Optical filters
Optical modulation
Optical noise
Optical pulse generation
Optical pumping
Voltage-controlled oscillators
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Description
Summary:We describe a novel photonic oscillator that converts continuous-light energy into stable and spectrally pure microwave signals. This optoelectronic oscillator (OEO) consists of a pump laser and a feedback circuit including an intensity modulator, an optical-fiber delay line, a photodetector an amplifier, and a filter. We present the results of a quasi-linear theory for describing the properties of the oscillator and their experimental verifications. Our findings indicate that the OEO can generate ultrastable, spectrally pure microwave-reference signals up to 75 GHz with a phase noise lower than -140 dBc/Hz at 10 KHz. We show that the OEO is a special voltage-controlled oscillator with an optical-output port and can be synchronized to a reference source by means of optical injection locking, electrical injection locking, and a phase-locked loop. Other OEO applications include high-frequency reference regeneration and distribution, high-gain frequency multiplication, comb frequency and pulse generation, carrier recovery, and clock recovery.
ISSN:0018-9197
1558-1713
DOI:10.1109/3.517013