Very high bit-rate distance product using high-power single-mode 850-nm VCSEL with discrete multitone modulation formats through OM4 multimode fiber

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题名:	Very high bit-rate distance product using high-power single-mode 850-nm VCSEL with discrete multitone modulation formats through OM4 multimode fiber
作者:	許晉瑋;Lu, I-Cheng;Kuo, Hao-Chung;Lin, Wei;Chiu, Shi-Wei;Chen, Jyehong;Wei, Chia-Chien;Chen, Hsing-Yu;Chen, Kuan-Zhou;Huang, Cheng-Hsiang;Chi, Kai-Lun;Shi, Jin-Wei;Lai, Fan-I;Hsieh, Dan-Hua
贡献者:	資訊電機學院電機工程學系
关键词:	Bandwidth;Cavity resonators;Fibers;High speed;High-speed optical techniques;Holes;Modulation;OFDM modulation;Optical fiber devices;Optical fibers;Product introduction;Semiconductor lasers;Spectra;Vertical cavity surface emission lasers;Vertical cavity surface emitting lasers;Zinc
日期:	2015-11-01
上传时间:	2026-04-23 14:53:21 (UTC+8)
出版者:	Institute of Electrical and Electronics Engineers Inc.;New York: IEEE
摘要:	摘要： In order to investigate the tradeoff between optical spectral width and modulation speed of 850-nm Zn-diffusion vertical-cavity surface-emitting laser (VCSEL) and its influence on the performance of discrete multitone (DMT) modulation, two kinds of high-speed VCSEL structures with different cavity lengths (λ/2 and 3λ/2) are studied. By shortening the cavity length to λ/2, allocating the oxide layer in the standing-wave peak, and performing a Zn-diffusion aperture in our VCSEL structure, stable dual mode in the output optical spectra across the full range of bias currents with good high-speed performance (~16-GHz bandwidth) can be achieved. Compared with its multimode reference, it shows far less roll-off with regard to the maximum data rate versus transmission distance over OM4 multimode fibers under forward error correction (FEC) threshold (BER <; 3.8 × 10 -3 ). On the other hand, for the 3λ/2 VCSEL structure, by using the same Zn-diffusion conditions as those of dual-mode counterpart, highly single-mode operation (side-mode suppression ratio> 35 dB) with high available power can be achieved over the full range of bias currents. Although such device shows a smaller 3-dB electrical-to-optical bandwidth (12 versus 16 GHz) than that of the dual-mode one, it exhibits a superior transmission performance by use of DMT modulation format. A record high bit-rate distance product (107.6 Gb/s·km) at nearly 50-Gb/s transmission under FEC threshold (BER<; 3.8 × 10 -3 ) through 2.2-km OM4 fibers has been successfully demonstrated by the use of single-mode VCSEL with optimized structures. In addition, error-free (BER<; 1 × 10 -12 ) transmission at 20.3 Gb/s with bit-rate distance product of 44.66 Gb/s·km has also been demonstrated. 其他題名： JSTQE 出版者： New York: IEEE 出版日期： 2015-11 出處： IEEE journal of selected topics in quantum electronics, 2015-11, Vol.21 (6), p.444-452 資源來源： IEEE Electronic Library (IEL) 版權： Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Nov 2015 識別號： ISSN: 1077-260X 識別號： EISSN: 1558-4542 識別號： DOI: 10.1109/JSTQE.2015.2421324 識別號： CODEN: IJSQEN
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