All-fiber wavelength- and mode-selective coupler for optical interconnections

W. Shin, S. Choi, K. Oh

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We experimentally demonstrate a new wavelength- and mode-selective coupler utilizing intermodal coupling between a standard single-mode fiber (SMF) and a hollow optical fiber (HOF). The fabricated device routes optical signals such that a 1.3-μm signal is directed to the HOP port, adiabatically converting the LP01 mode into a ring-shaped mode, which can be further connected to a gigabit ethernet link, reducing the differential mode-dispersion penalty. Optical signals near 1.5 μm, meanwhile, stay in the LP01 mode of the SMF arm for further connection to conventional wavelength-division multiplexing links based on erbium-doped fiber amplifiers. The performance of the device is characterized in terms of insertion loss, channel isolation, and mode-conversion efficiency.

Original languageEnglish
Pages (from-to)1884-1886
Number of pages3
JournalOptics Letters
Volume27
Issue number21
DOIs
Publication statusPublished - 2002 Nov 1

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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