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Flatness Improved Comb Generation by Electro-optic Phase and Mach-Zehnder Modulators Cascade

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Author(s):
Huancachoque, Leonid A. ; dos Santos, Maria L. M. ; Pereira, Alexander I. N. B. ; Nascimento, Danierick V. G. ; Bordonalli, Aldario C.
Total Authors: 5
Document type: Journal article
Source: 2019 SBMO/IEEE MTT-S INTERNATIONAL MICROWAVE AND OPTOELECTRONICS CONFERENCE, IMOC; v. N/A, p. 3-pg., 2019-01-01.
Abstract

An optical frequency comb generator based on a cascade of electro-optic phase and intensity modulators is proposed and flat comb generation empirically demonstrated. For wide and equalized experimental combs, modulator driving conditions were carefully adjusted after conducting a theoretical performance analysis. Comb frequency spacing and central wavelength were defined by the modulating frequency (18 GHz) and the optical carrier wavelength (1550.8 nm), respectively. By using an ordinary phase modulator along with a dual-drive Mach-Zehnder modulator, an efficiently equalized 25-line comb was obtained. The experimental results agree with theoretical predictions. (AU)

FAPESP's process: 15/24517-8 - Photonics for next generation internet
Grantee:Hugo Enrique Hernández Figueroa
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 16/11163-6 - Ultrahigh capacity coherent optical sistems
Grantee:Aldário Chrestani Bordonalli
Support Opportunities: Regular Research Grants