Instantaneous response and suppression of SBS process in a short fiber system with binary sequence phase modulation

2021 ◽  
Author(s):  
Meizhong Liu ◽  
Binglin Li ◽  
Yifeng Yang ◽  
Hui Shen ◽  
Hanbin Wang ◽  
...  
Keyword(s):  
Phase Modulation ◽  
Binary Sequence ◽  
Short Fiber ◽  
Fiber System

scholarly journals Pseudo-random binary sequence phase modulation for narrow linewidth, kilowatt, monolithic fiber amplifiers

2014 ◽  
Vol 22 (15) ◽  
pp. 17735 ◽  
Author(s):  
Angel Flores ◽  
Craig Robin ◽  
Ann Lanari ◽  
Iyad Dajani
Keyword(s):  
Phase Modulation ◽  
Binary Sequence ◽  
Fiber Amplifiers ◽  
Narrow Linewidth

scholarly journals Effective Brillouin gain spectra broadening for SBS suppression based on pseudo random bit sequence phase modulation in fiber system

2021 ◽  
pp. 1-1
Author(s):  
Binglin Li ◽  
Meizhong Liu ◽  
Yi feng Yang ◽  
Yuqiao Xian ◽  
Bing He ◽  
...  
Keyword(s):  
Phase Modulation ◽  
Fiber System ◽  
Gain Spectra ◽  
Brillouin Gain

Parametric Analysis of Self-Phase Modulation in Single-Tone RoF System

2018 ◽  
Vol 0 (0) ◽  
Author(s):  
Namita Kathpal ◽  
Amit Kumar Garg
Keyword(s):  
Phase Modulation ◽  
Parametric Analysis ◽  
Effective Area ◽  
Fiber System ◽  
Long Distance ◽  
Single Tone ◽  
Self Phase Modulation ◽  
Linear Effect ◽  
Non Linear ◽  
The Impact

Abstract Self-phase modulation (SPM) is one of the major non-linear effect in single-tone radio over fiber system which limits the long-distance transmission as it leads to the broadening of pulse spectrum. In this paper, the mathematical and parametric analysis was carried out to understand the origination and upgradation of SPM and based on results achieved, a rigorous evaluation has been conducted to decrease the impact of SPM. The effect of SPM has been evaluated in terms of optical spectrums, eye diagrams, eye-opening and Q-factor by utilizing four important parameters specifically launched power, fiber effective area, bit rate and fiber attenuation using OptiSystem simulator which reveals insight information for the elimination of non-linear effects.

Investigating the Influence of Non-linear Effects in the Bidirectional Fiber System

2021 ◽  
Author(s):  
Kavitha Chella ◽  
C T Manimegalai ◽  
Kalimuthu Krishnan ◽  
Sabitha Gauni
Keyword(s):  
Phase Modulation ◽  
Brillouin Scattering ◽  
Fiber System ◽  
Downlink Transmission ◽  
Optical Link ◽  
Non Linear ◽  
Performance Limitation ◽  
Linear Effects ◽  
Data Signal ◽  
Stimulated Brillouin

Abstract To investigate the influence of non-linearity in the bidirectional optical link which enables simultaneous uplink and downlink transmission of 16-QAM data signal. We analyze non-linear effects like self-phase modulation (SPM) and stimulated Brillouin scattering (SBS). The performance limitation due to the non-linear effects in the system is analyzed. The analysis shows that the SBS threshold for launch power is 16 dBm for unmodulated carrier signal and 6 dBm for modulated signal. At 6 dBm launch power, the system has an average Q of 44.

All-optical subcarrier phase modulation for WDM radio-over-fiber system

2008 ◽  
Author(s):  
Shangyuan Li ◽  
Yiqiao Song ◽  
Xiaoping Zheng ◽  
Hanyi Zhang ◽  
Bingkun Zhou
Keyword(s):  
Phase Modulation ◽  
Radio Over Fiber ◽  
Fiber System ◽  
All Optical ◽  
Radio Over Fiber System
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