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LP modes exchange based on multiplane light conversion

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Data exchange between different mode channels is essential in the optical communication network with mode-division multiplexing[MDM].However,there are challenges in realizing mode exchange with low insert loss,low mode crosstalk,and high integration.Here,we designed and fabricated a mode exchange device based on multiplane light conversion[MPLC],which supports the transmission of LP01,LP11a,LP11b,and LP21 modes in the C-band and L-band.The simulated exchanged mode purities are greater than 85％.The phase masks were fabricated on a silicon substrate to facilitate the integration with optical systems,with an insert loss of less than 2.2 dB and mode crosstalk below-21 dB due primarily to machining inaccuracies and alignment errors.We carried out an optical communication experiment with 10 Gbit/s OOK and QPSK data transmission at the wavelength of 1550 nm and obtained excellent performance with the device.It paves the way for flexible data exchange as a building block in MDM optical communication networks.

mode exchangemode-division multiplexingmultiplane light conversion

钟亚楠、林楚璇、方浚丞、雷霆、袁小聪

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Nanophotonics Research Centre,Shenzhen Key Laboratory of Micro-Scale Optical Information Technology & Institute of Microscale Optoelectronics,Shenzhen University,Shenzhen 518060,China

Guangdong Major Project of Basic Research国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金Shenzhen Peacock PlanStable Support Project of ShenzhenStable Support Project of Shenzhen广东省自然科学基金广东省自然科学基金深圳大学项目

2020B0301030009U23A20372619350136210521562275171KQTD2017033011044403020220810152651001202208111038270012020A15150111852022A15150116422019075

2024

10.3788/COL202422.030602

中国光学快报(英文版)
中国光学学会 中国科学院上海光学精密机械研究所

中国光学快报(英文版)

CSTPCD
影响因子：1.305
ISSN：1671-7694
年,卷(期)：2024.22(3)
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