[WH2] Fiber Devices for Space Division Multiplexing and New Applications

11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[WH2-2] Broadband Mode-Dependent Loss Equalizer Using LPFG with Higher-Order Cladding Modes in 2LP-Mode Transmission Systems

○Takumi Kimura¹, Takanori Sato¹, Masaki Wada², Taro Iwaya², Kazuhide Nakajima², Kunimasa Saitoh¹ (¹Hokkaido Univ., ²NTT Access Network Service Systems Laboratories)

Keywords:

Fiber based devices for space division multiplexing,Fiber gratings

We propose an LPFG-based MDL equalizer for the 2LP-mode transmission. We found that the MDL compensation across the C+L bands could be obtained by using higher-order cladding mode coupling, maintaining the low-loss LP₁₁ mode transmission.