| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4957011 | Optical Fiber Technology | 2017 | 13 Pages |
Abstract
Recently developed PLC-based mode multi/demultiplexers (MUX/DEMUXs) for mode division multiplexing (MDM) transmission are reviewed. We firstly show the operation principle and basic characteristics of PLC-based MUX/DEMUXs with an asymmetric directional coupler (ADC). We then demonstrate the 3-mode (2LP-mode) multiplexing of the LP01, LP11a, and LP11b modes by using fabricated PLC-based mode MUX/DEMUX on one chip. In order to excite LP11b mode in the same plane, a PLC-based LP11 mode rotator is introduced. Finally, we show the PLC-based 6-mode (4LP-mode) MUX/DEMUX with a uniform height by using ADCs, LP11 mode rotators, and tapered waveguides. It is shown that the LP21a mode can be excited from the LP11b mode by using ADC, and the two nearly degenerated LP21b and LP02 modes can be (de)multiplexed separately by using tapered mode converter from E13 (E31) mode to LP21b (LP02) mode.
Related Topics
Physical Sciences and Engineering
Computer Science
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Authors
Kunimasa Saitoh, Nobutomo Hanzawa, Taiji Sakamoto, Takeshi Fujisawa, Yoko Yamashita, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima,