Hybrid silica coarse wavelength-division multiplexer transmitter optical subassembly

Jun-Ming An; Jia-Shun Zhang; Liang-Liang Wang; Kaiwu Zhu; Bingli Sun; Yong Li; Jie Hou; Jian-Guang Li; Yuan-Da Wu; Yue Wang; Xiao-Jie Yin

doi:10.1117/1.OE.57.1.017108

19 January 2018 Hybrid silica coarse wavelength-division multiplexer transmitter optical subassembly

Jun-Ming An, Jia-Shun Zhang, Liang-Liang Wang, Kaiwu Zhu, Bingli Sun, Yong Li, Jie Hou, Jian-Guang Li, Yuan-Da Wu, Yue Wang, Xiao-Jie Yin

Author Affiliations +

Optical Engineering, Vol. 57, Issue 1, 017108 (January 2018). https://doi.org/10.1117/1.OE.57.1.017108

Abstract

Based on silica arrayed waveguide grating technology, a hybrid integrated transmitter optical subassembly was developed. Four direct-modulating distributed feedback lasers and four focusing microlenses were integrated to a coarse wavelength-division multiplexer (CWDM) on a CuW substrate. The four-channel silica-on-silicon CWDM was fabricated with 1.5% refractive index difference and 20-nm wavelength spacing. The experimental results showed that the output optical power was >3 mW with 45 mA of injection current, the slope efficiency was >0.0833 W/A, and the 3-dB bandwidth was broader than 18.15 GHz. The 1-dB compress points were higher than 18 and 15.8 dBm for frequency of 10 and 18 GHz, respectively.

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Jun-Ming An, Jia-Shun Zhang, Liang-Liang Wang, Kaiwu Zhu, Bingli Sun, Yong Li, Jie Hou, Jian-Guang Li, Yuan-Da Wu, Yue Wang, and Xiao-Jie Yin "Hybrid silica coarse wavelength-division multiplexer transmitter optical subassembly," Optical Engineering 57(1), 017108 (19 January 2018). https://doi.org/10.1117/1.OE.57.1.017108

Received: 7 November 2017; Accepted: 14 December 2017; Published: 19 January 2018

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