Design of high-speed optical transmission module with an integrated Ti:Er:LiNbO<sub>3</sub> waveguide laser/ LiNbO<sub>3</sub> electro-optic modulator

Yang Bai; Shufen Chen; Li Fu; Wei Fang; Junjun Lu

doi:10.1117/12.570314

17 January 2005 Design of high-speed optical transmission module with an integrated Ti:Er:LiNbO₃ waveguide laser/ LiNbO₃ electro-optic modulator

Yang Bai, Shufen Chen, Li Fu, Wei Fang, Junjun Lu

Author Affiliations +

Proceedings Volume 5644, Optoelectronic Devices and Integration; (2005) https://doi.org/10.1117/12.570314
Event: Photonics Asia, 2004, Beijing, China

Abstract

A high bit rate more than 10Gbit/s optical pulse generation device is the key to achieving high-speed and broadband optical fiber communication network system .Now, we propose a novel high-speed optical transmission module(TM) consisting of a Ti:Er:LiNbO3 waveguide laser and a Mach-Zehnder-type encoding modulator on the same Er-doped substrate. According to the standard of ITU-T, we design the 10Gbit/ s transmission module at 1.53μm on the Z cut Y propagation LiNbO₃ slice. A dynamic model and the corresponding numerical code are used to analyze the waveguide laser while the electrooptic effect to design the modulator. Meanwhile, the working principle, key technology, typical characteristic parameters of the module are given. The transmission module has a high extinction ratio and a low driving voltage, which supplies the efficient, miniaturized light source for wavelength division multiplexing(WDM) system. In additional, the relation of the laser gain with the cavity parameter, as well as the relation of the bandwidth of the electrooptic modulator with some key factors are discussed .The designed module structure is simulated by BPM software and HFSS software.

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Yang Bai, Shufen Chen, Li Fu, Wei Fang, and Junjun Lu "Design of high-speed optical transmission module with an integrated Ti:Er:LiNbO₃ waveguide laser/ LiNbO₃ electro-optic modulator", Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); https://doi.org/10.1117/12.570314

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KEYWORDS

Modulators

Waveguides

Electrodes

Waveguide lasers

Modulation

Transmittance

Electro optics

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