Programmable Group-Delay Module Using Binary Polarization Switching

  title={Programmable Group-Delay Module Using Binary Polarization Switching},
  author={Lianshan Yan and C. Yeh and Guosheng Yang and L. Lin and Zhongren Chen and Alan E. Willner and Xiaotian Steve Yao},
We demonstrate the first programmable group-delay module based on polarization switching. With a unique binary tuning mechanism, the device can generate any differential group delay value from 45 to+45 ps with a resolution of 1.40 ps, or any true-time-delay value from 0 to 45 ps with a resolution of 0.7 ps. The delay varying speeds for both applications are under 1 ms and can be as fast as 0.1 ms. We evaluate both the dynamic and static performances of the device while paying special attention… CONTINUE READING
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