Generation of the Optical Frequency Comb with a Bandwidth of 3.8 nm by Using an Electro-absorption Modulator and a Frequency Modulator

GAO Di; SHAO Qian; CHEN Jingyuan; LI Peili

doi:10.3969/j.issn.1003-501x.2015.12.006

Journals >Opto-Electronic Engineering >Volume 42 >Issue 12 >Page 30 > Article

Opto-Electronic Engineering
Vol. 42, Issue 12, 30 (2015)

Generation of the Optical Frequency Comb with a Bandwidth of 3.8 nm by Using an Electro-absorption Modulator and a Frequency Modulator

GAO Di, SHAO Qian, CHEN Jingyuan, and LI Peili

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[in Chinese]

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DOI: 10.3969/j.issn.1003-501x.2015.12.006 Cite this Article

GAO Di, SHAO Qian, CHEN Jingyuan, LI Peili. Generation of the Optical Frequency Comb with a Bandwidth of 3.8 nm by Using an Electro-absorption Modulator and a Frequency Modulator[J]. Opto-Electronic Engineering, 2015, 42(12): 30 Copy Citation Text

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Abstract

Using the cascade structure of an Electro-absorption Modulator (EAM) and a frequency modulator (FM), we proposed a new Optical Frequency Comb (OFC) generation scheme. The program structure is simple, easy to be controlled and the output noise is low. We conducted a theoretical analysis on the principle scheme and did research on the simulation with software of Optisystem7.0. The simulation results show that: we generated a flat optical frequency comb, whose center wavelength and line spacing can be tuned independently. Also，the effective bandwidth of the OFC is 3.8 nm, its line spacing is 5 GHz and number of lines is 105.

Keywords

bandwidth electro-absorption modulator (EAM)frequency modulator (FM)optical frequency comb (OFC)

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