Low-Divergent 940-nm Photonic-Crystal Surface-Emitting Laser for Short-Reach Free-Space Data Link.

Chih-Hsien Cheng,Po-Lun Chen,Pin-Wei Ho,Yu-Heng Hong,Shih-Chen Chen,Shu-Wei Chang,Chao-Hsin Wu,Hao-Chung Kuo,Atsushi Matsumoto,Kouichi Akahane,Gong-Ru Lin

Optical Fiber Communications Conference and Exhibition（2024）

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摘要

The photonic-crystal-structured surface-emitting laser with a low-divergent-beam angle of 4.5 mrad can perform either 5.5-Gbit/s NRZ-OOK, or 16-Gbit/s broadband QAM DMT or 19.2-Gbit/s bit-loaded DMT formats for 30-cm short-reach point-to-point free-space-optical communication link.

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关键词

Surface-emitting Laser,940-nm Laser,Laser Beam,Data Transmission,Light Detection And Ranging,Data Streams,Light Detection,Digital Signal Processing,Network Bandwidth,Forward Error Correction,Orthogonal Frequency Division Multiplexing,Low Divergence,Current Threshold,Arbitrary Waveform Generator,Semiconductor Laser,Noise Figure,Divergence Angle,Error Vector Magnitude

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