PLC-based novel triplexer with a simple structure for optical transceiver module applications

Jong Kyun Hong, Sang Sun Lee

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

A novel triplexer is introduced for optical communication applications in this letter. The triplexer consists of two cascaded multimode interference (MMI) couplers and can be fabricated by planar lightwave circuit technology. The concept of the extraneous self-imaging phenomenon, which is not generally mentioned in MMI theory, is applied to this triplexer to design a relatively simple and compact device. From the simulation results for wavelengths of 1310, 1490, and 1550 nm, the excess losses were determined to be -1.37, -0.63, and 0.79 dB, respectively, while the extinction ratios were 15.93, 24.28, and 18.44 dB, respectively.

Original languageEnglish
Pages (from-to)21-23
Number of pages3
JournalIEEE Photonics Technology Letters
Volume20
Issue number1
DOIs
StatePublished - 2008 Jan 1

Keywords

  • Multimode interference (MMI) effect
  • Optical devices
  • Planar lightwave circuits (PLCs)
  • Self-imaging phenomenon
  • Triplexers

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