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, Pak Tao Lau, Hwa Yaw Tam, Ping Kong Alexander Wai

Research output: Journal article publicationJournal articleAcademic researchpeer-review

33 Citations (Scopus)

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

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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