[TuE2] Mode Control Devices

[TuE2-4] Highly Accurate Mode Conversion Using Iterative Spatial Cross Modulation

〇Tomohiro Maeda¹, Atsushi Okamoto¹, Kazuhisa Ogawa¹, Akihisa Tomita¹, Yuta Wakayama², Takehiro Tsuritani² (¹Hokkaido Univ., Japan, ²KDDI Research, Inc., Japan)

Keywords:Multiplexing and demultiplexing techniques including OTDM, OFDM, OCDM and SDM

Highly accurate mode conversion was realized by iterative spatial cross modulation. Modal crosstalk was realized less than –29.9 dB for all conversion targets in the case of coupling to a six-mode fiber.