Linear photonic radio frequency phase shifter using a differential-group- delay element and an optical phase modulator

Changyuan Yu*, Zhaohui Li, Yi Dong, Linghao Cheng, L. F.K. Lui, Chao Lu, Alan Pak Tao Lau, Hwa Yaw Tam, P. K.A. Wai

*Corresponding author for this work

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Abstract

We demonstrate a stable and linear photonic radio frequency (RF) phase shifter based on a differential-group-delay element and the polarization sensitive effect of an optical phase modulator. The phase shift can be tuned continuously over 360° for RF signals over 40 GHz with an electrical control voltage from -7.5 to +7.5 V.

Original languageEnglish
Pages (from-to)1881-1883
Number of pages3
JournalOptics Letters
Volume35
Issue number11
DOIs
Publication statusPublished - 1 Jun 2010
Externally publishedYes

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Yu, C., Li, Z., Dong, Y., Cheng, L., Lui, L. F. K., Lu, C., Lau, A. P. T., Tam, H. Y., & Wai, P. K. A. (2010). Linear photonic radio frequency phase shifter using a differential-group- delay element and an optical phase modulator. Optics Letters, 35(11), 1881-1883. https://doi.org/10.1364/OL.35.001881