Integrated Optics

Novel triplexing-filter design using silica-based direction coupler and an arrayed waveguide grating

[+] Author Affiliations
Junming An

Chinese Academy of Sciences, State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Beijing 100083, China

Jian Li

National Institute of Metrology, Beijing 100013, China

Junyi Li

Chinese Academy of Sciences, State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Beijing 100083, China

Yuanda Wu

Chinese Academy of Sciences, State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Beijing 100083, China

Xiongwei Hu

Chinese Academy of Sciences, State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Beijing 100083, China

Opt. Eng. 48(1), 014601 (January 14, 2009). doi:10.1117/1.3065508
History: Received September 17, 2008; Revised November 12, 2008; Accepted November 13, 2008; Published January 14, 2009
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A new triplexing filter based on a silica direction coupler and an arrayed waveguide grating is presented. Using a combination of a direction coupler and an arrayed waveguide grating, a 1310-nm channel is multiplexed and 1490- and 1550-nm channels are demultiplexed for fiber-to-the-home. The direction coupler is used to coarsely separate the 1310-nm channel from the 1490- and 1550-nm channels. Subsequently, an arrayed waveguide grating is used to demultiplex the 1490- from 1550-nm channel. The simulated spectra show the 1-dB bandwidth of 110nm for the 1310-nm channel and 20 and 20.5nm for the 1490- and 1550-nm channels. The insertion loss is only 0.15dB for 1310nm and 5dB for 1490 and 1550nm. The crosstalk between the 1490- and 1550-nm channels was less than 35dB.

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© 2009 Society of Photo-Optical Instrumentation Engineers

Citation

Junming An ; Jian Li ; Junyi Li ; Yuanda Wu and Xiongwei Hu
"Novel triplexing-filter design using silica-based direction coupler and an arrayed waveguide grating", Opt. Eng. 48(1), 014601 (January 14, 2009). ; http://dx.doi.org/10.1117/1.3065508


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