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Dual-Loop Dual-Modulation Optoelectronic Oscillators With Highly Suppressed Spurious Tones
- Issue Date
- 15-Apr-2012
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Dual-loop modulation; optical injection locking; optoelectronic oscillator (OEO)
- Citation
- IEEE PHOTONICS TECHNOLOGY LETTERS, v.24, no.8, pp.706 - 708
- Journal Title
- IEEE PHOTONICS TECHNOLOGY LETTERS
- Volume
- 24
- Number
- 8
- Start Page
- 706
- End Page
- 708
- ISSN
- 1041-1135
- Abstract
- We successfully demonstrate an optoelectronic oscillator (OEO) low radio-frequency- (RF)-threshold gain and a low level of spurious tones using semiconductor lasers under optical injection in dual fiber-loop configuration. Our 15-GHz OEO exhibits spurious tones suppressed over 70 dB by dual-loop modulation, maintaining a low RF-threshold gain of 27 dB and phase noise of 104 dBc/Hz at 10-kHz frequency offset.
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Related Researcher
- Sung, Hyuk Kee
- Engineering (Electronic & Electrical Engineering)