.Silica-based 71-channel arrayed waveguide grating[J].Optoelectronics Letters,2006,2(4):256-258 Silica-based 71-channel arrayed waveguide grating AN Jun-ming WU Yuan-da LI Jian-guang WANG Hong-jie HU Xiong-wei [1]Department of Physics, Inner Mongolian University, Hohhot 070027, China [2]R ＆ D Center of Optoelectronics, the Institute of Semiconductors, Chinese Academy of Sciences, Beijing 700083, China Abstract:       Silica-based 71-channle AWGs with 0.4 nm (50 GHz) channel spacing at 1. 5445 μ have been designed and fabricated by using silica-based waveguide. Theoretical simulation and experimental results are given and compared. The test results show that the fiber-to-fiber insertion loss ranges from 3. 5 dB to 7.1 dB for central and peripheral output ports, respectively, the total crosstalk level is better than — 32 dB, 3 dB bandwidth is 25 GHz and polarization dependence loss (PDL) within 3 dB bandwidth is less than 0.5 dB, which agrees well with the simulation results. Supported by National Science Foundation of China (No. 60477035) and National “973” Plan (No. G200003602). Hits: 3515 Download times: 171 View Full Text    Download reader