高线宽容忍度的高谱效SSB-PAM-DD方案

doi:10.11959/j.issn.1000-436x.2022100

Abstract

Abstract:

For low-cost and high chromatic dispersion (CD) robustness single sideband (SSB) with direct detection (DD), three schemes of SSB with pulse amplitude modulation (PAM) were investigated.Among that, the highest spectral efficiency was achieved by the scheme of adding the frequency down-conversion at the transmitter.However, that scheme reduces the tolerance for laser linewidth.Hence, based on the character of the SSB-PAM signal, a DSP scheme was proposed, including a modified equalization algorithm with phase distortion immunity and blind phase search algorithm.The simulation results show that the modified scheme can tolerate 1 MHz linewidth for 112 Gbit/s SSB-PAM-DD, while the original scheme for SSB-PAM was only 100 kHz at the same bit error rate (BER) threshold.Therefore, the proposed scheme can achieve a high frequency efficiency, high linewidth tolerance, and low-cost SSB-PAM signaling transmission.

Key words: single sideband, pulse amplitude modulation, direct detection, laser linewidth, signal equalization, phase compensation

CLC Number:

TN913

Dongxu LU, Xian ZHOU, Fei LIU, Jiahao HUO, Jinhui YUAN, Keping LONG. High spectral efficiency SSB-PAM-DD scheme with high linewidth tolerance[J]. Journal on Communications, 2022, 43(5): 36-44.

Figures/Tables 12

方案	发射端				接收端		是否受相位噪声影响
方案	调制器	激光器数量/个	带宽	调制非线性	PD数量/个	带宽	是否受相位噪声影响
载波辅助单驱MZM SSB-PAM方案	单驱MZM (偏置null点)	2	B	否	1	2B或＞B^[21]	是
直流偏置引入载波SSB-PAM方案	IQ调制器或DDMZM (偏置引入载波)	1	B	是	1	B	否
基于发射端下变频的高频谱效率SSB-PAM方案	IQ调制器或DDMZM (偏置null点)	2	$\frac{B}{2}$	否	1	B	是

参数	值
系统速率/(Gbit·s^-1)	112
DAC/ADC有效比特位/bit	8
发射端/接收端带宽/GHz	12 /25
IQ调制器半波电压/V	3
色散系数/(ps(nm·km)^-1)	17
PD响应率/(A·W^-1)	0.65
PD热噪声 $/ (pA \cdot {Hz}^{- \frac{1}{2}})$	20
PD暗电流/nA	10

References 28

[1]	WANG K H , ZHANG J , ZHAO M M ,et al. High-speed PS-PAM8 transmission in a four-lane IM/DD system using SOA at O-band for 800G DCI[J]. IEEE Photonics Technology Letters, 2020,32(6): 293-296.
[2]	ANDRéN S , LOUCHET H , FILSINGER V ,et al. OFDM and PAM comparison using a high baudrate low resolution IM/DD interface for 400G Ethernet access[J]. Optics Express, 2016,24(11): 11926-11931.
[3]	ZHANG J , WANG K H , WEI Y R ,et al. 280 Gb/s IM/DD PS-PAM-8 transmission over 10 km SSMF at O-band for optical interconnects[C]// Proceedings of 2020 Optical Fiber Communications Conference and Exhibition (OFC). Piscataway:IEEE Press, 2020: 1-3.
[4]	ZHONG K P , ZHOU X , HUO J H ,et al. Digital signal processing for short-reach optical communications:a review of current technologies and future trends[J]. Journal of Lightwave Technology, 2018,36(2): 377-400.
[5]	LI F , LI X Y , ZHANG J W ,et al. Transmission of 100-Gb/s VSB DFT-spread DMT signal in short-reach optical communication systems[J]. IEEE Photonics Journal, 2015,7(5): 1-7.
[6]	GAO Y L , ZHUGE Q B , WANG W ,et al. 40 Gb/s CAP32 short reach transmission over 80 km single mode fiber[J]. Optics Express, 2015,23(9): 11412-11423.
[7]	PENG W R , ZHANG B , FENG K M ,et al. Spectrally efficient direct-detected OFDM transmission incorporating a tunable frequency gap and an iterative detection techniques[J]. Journal of Lightwave Technology, 2009,27(24): 5723-5735.
[8]	RANDEL S , PILORI D , CHANDRASEKHAR S ,et al. 100-Gb/s discrete-multitone transmission over 80-km SSMF using single-sideband modulation with novel interference-cancellation scheme[C]// Proceedings of 2015 European Conference on Optical Communication (ECOC). Piscataway:IEEE Press, 2015: 1-3.
[9]	ZHANG L , ZUO T J , MAO Y ,et al. Beyond 100-Gb/s transmission over 80-km SMF using direct-detection SSB-DMT at C-band[J]. Journal of Lightwave Technology, 2016,34(2): 723-729.
[10]	周娴, 卢东旭, 霍佳皓 ,等. 基于单边带调制技术的数据中心光互连性能分析[J]. 重庆邮电大学学报(自然科学版), 2020,32(5): 707-718.
	ZHOU X , LU D X , HUO J H ,et al. Performance analysis of data center optical interconnection based on single-side band modulation technologies[J]. Journal of Chongqing University of Posts and Telecommunications (Natural Science Edition), 2020,32(5): 707-718.
[11]	ERKILIN?M S , PACHNICKE S , GRIESSER H ,et al. Dispersion-precompensated direct-detection Nyquist pulse-shaped subcarrier modulation using a dual-drive Mach-Zehnder modulator[C]// Proceedings of 2015 Optoelectronics and Communications Conference (OECC). Piscataway:IEEE Press, 2015: 1-3.
[12]	ZHANG Q , STOJANOVIC N , XIE C S ,et al. Transmission of single lane 128 Gbit/s PAM-4 signals over an 80 km SSMF link,enabled by DDMZM aided dispersion pre-compensation[J]. Optics Express, 2016,24(21): 24580-24591.
[13]	MECOZZI A , ANTONELLI C , SHTAIF M . Kramers-Kronig coherent receiver[J]. Optica, 2016,3(11): 1220.
[14]	MECOZZI A . A necessary and sufficient condition for minimum phase and implications for phase retrieval[J]. arXiv Preprint,arXiv:1606.04861, 2016.
[15]	GUI T , YI L Y , GUO C J ,et al. 120 Gbaud PAM-4 transmission over 80-km SSMF using optical band interleaving and Kramers-Kronig detection[J]. Optics Express, 2018,26(20): 25934-25943.
[16]	WU X , ZHANG J W , GUO C J ,et al. 140-GBaud PAM-4 transmission using optical band interleaving,Kramers-Kronig detection and Volterra based equalization[C]// Proceedings of 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC). Piscataway:IEEE Press, 2019: 1-3.
[17]	ANTONELLI C , MECOZZI A , SHTAIF M . Kramers-Kronig PAM transceiver and two-sided polarization-multiplexed Kramers-Kronig transceiver[J]. Journal of Lightwave Technology, 2018,36(2): 468-475.
[18]	LU D X , ZHOU X , YANG Y Q ,et al. Theoretical analysis of PAM-N and M-QAM BER computation with single-sideband signal[J]. Science China Information Sciences, 2021,64(8): 1-10.
[19]	ZHU Y X , JIANG M X , RUAN X K ,et al. 16×112Gb/s single-sideband PAM4 WDM transmission over 80km SSMF with Kramers-Kronig receiver[C]// Proceedings of 2018 Optical Fiber Communications Conference and Exposition (OFC). Piscataway:IEEE Press, 2018: 1-3.
[20]	AN S H , ZHU Q M , LI J C ,et al. Accurate field reconstruction at low CSPR condition based on a modified KK receiver with direct detection[J]. Journal of Lightwave Technology, 2020,38(2): 485-491.
[21]	HU Q , BORKOWSKI R , SCHUH K ,et al. Optical field reconstruction of real-valued modulation using a single-ended photoreceiver with half-symbol-rate bandwidth[J]. Journal of Lightwave Technology, 2021,39(4): 1194-1203.
[22]	YANG C , LUO M , LI C ,et al. Transmission of 64-Gb/s pilot-assisted PAM-4 signal over 1440-km SSMF with phase noise mitigation[J]. IEEE Photonics Journal, 2019,11(1): 1-9.
[23]	LI X , LUO M , LI C ,et al. Direct detection of pilot-assisted PAM-4 signals with large phase noise tolerance[J]. Optics Letters, 2019,44(22): 5457-5460.
[24]	ZHOU X , ZHONG K P , HUO J H ,et al. 112 Gb/s transmission over 80 km SSMF using PDM-PAM4 and coherent detection without optical amplifier[J]. Optics Express, 2016,24(15): 17359-17371.
[25]	ZHOU X , GAO Y Y , HUO J H ,et al. Theoretical analysis of phase noise induced by laser linewidth and mismatch length in self-homodyne coherent systems[J]. Journal of Lightwave Technology, 2021,39(5): 1312-1321.
[26]	LU D X , ZHOU X , HUO J H ,et al. Theoretical CSPR analysis and performance comparison for four single-sideband modulation schemes with Kramers-Kronig receiver[J]. IEEE Access, 2019,7: 166257-166267.
[27]	ZHU M Y , ZHANG J , HUANG X T ,et al. Influence of EEPN and P2A noise with CD pre- and post-compensation in optical SSB transmission and Kramers-Kronig receiver system[J]. Optics Express, 2019,27(14): 19664-19674.
[28]	WANG W , ZOU D D , WANG X W ,et al. 100 Gbit/s/λ DMT-PON system based on intensity modulation and heterodyne coherent detection[J]. IEEE Photonics Technology Letters, 2021,33(18): 1014-1017.

Metrics

Recommended 0

No Suggested Reading articles found!

High spectral efficiency SSB-PAM-DD scheme with high linewidth tolerance

RichHTML

PDF

Knowledge

Abstract

Cite this article

share this article

Figures/Tables 12

References 28

Related Articles 4

Metrics

Recommended 0

[1]	Lian XIANG, Hongfeng PAN, Shulin JIN, Weidong SHAO. Research on inter-core crosstalk characteristics of real multi-core fibers with multi-core excitation [J]. Journal on Communications, 2022, 43(11): 233-241.
[2]	Qihan ZHANG, Xiaoxue GONG, Rui LI, Xin LI, Shanguo HUANG, Lei GUO. All-optical pattern matching system of 42 Gbit/s 4-bit BPSK signals and its demonstration for optoelectronic firewall [J]. Journal on Communications, 2022, 43(7): 31-40.
[3]	Lilin YI,Junxiang KE. Research progress of chaotic secure optical communication [J]. Journal on Communications, 2020, 41(3): 168-181.
[4]	Bowen CHEN,Xiaodong FU,Yu LEI. Joint optimization method of failure probability and fiber-link load balancing in flexible bandwidth optical network [J]. Journal on Communications, 2019, 40(9): 136-144.