Variable-ratio power splitters using computer-generated planar holograms on multimode interference couplers

Shuo Yen Tseng, Seungkeun Choi, Bernard Kippelen

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Variable-ratio power splitters using computer-generated planar holograms on multimode interference couplers are analyzed. The coherent wave at the device input is transformed to the desired output using numerically calculated refractive index perturbations on multimode channel waveguides at half the beat length. Devices are fabricated on the silicon-on-insulator platform and characterized at a wavelength of 1.55 μm. Power-splitting ratios are varied by changing the hologram etch depth and the hologram length.

Original languageEnglish
Pages (from-to)512-514
Number of pages3
JournalOptics Letters
Volume34
Issue number4
DOIs
Publication statusPublished - 2009 Feb 15

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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