A Novel Fabrication Method for All-Fiber, Weakly Fused, Polarization Beamsplitters

Cheng Wen Wu, Tzong Lin Wu, Hung Chun Chang

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)


A simple method for fabricating single-mode fused couplers for polarization beamsplitting is presented. The coupler is extremely weakly fused such that the first polarization modulation waist in its power transfer characteristic is clearly extended. Due to such a feature, the coupler drawing process may accurately be stopped at the waist point by simply monitoring the power variations of the output ports. We have achieved an average extinction ratio of - 23.7 dB at the throughput port and - 23.8 dB at the coupled port at the designated wavelength. The polarization bandwidth obtained is 38 nm.

Original languageEnglish
Pages (from-to)786-788
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number7
Publication statusPublished - 1995 Jul

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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