Optical fiber acoustic sensor with an all-optical phase modulator based on special optical microfiber

2016 ◽  
Author(s):  
Xueliang Zhang ◽  
Zhangqi Song ◽  
Yang Yu ◽  
Yuzhong Chen ◽  
Shilin Sun ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Phase Modulator ◽  
Acoustic Sensor ◽  
Optical Phase ◽  
All Optical ◽  
Optical Microfiber

scholarly journals Optical Microfiber All−Optical Phase Modulator for Fiber Optic Hydrophone

Nanomaterials ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 2215
Author(s):  
Minwei Li ◽  
Yang Yu ◽  
Yang Lu ◽  
Xiaoyang Hu ◽  
Yaorong Wang ◽  
...  
Keyword(s):  
Acoustic Signal ◽  
Fiber Optic ◽  
Phase Modulator ◽  
Modulation Amplitude ◽  
Underwater Acoustic ◽  
Optical Phase ◽  
Sensing Applications ◽  
All Optical ◽  
Optical Microfiber ◽  
Underwater Acoustic Signal

In order to meet the needs of phase generated carrier (PGC) demodulation technology for interferometric fiber optic hydrophones, we proposed an optical microfiber all−optical phase modulator (OMAOPM) based on the photo−induced thermal phase shift effect, which can be used as a phase carrier generation component, so as to make the modulation efficiency and working bandwidth of this type of modulator satisfy the requirements of underwater acoustic signal demodulation applications. We analyzed the modulation principle of this modulator and optimized the structural parameters of the optical microfiber (OM) when the waist length and waist diameter of OM are 15 mm and 1.4 μm, respectively. The modulation amplitude of the modulator can reach 1 rad, which can meet the requirements of sensing applications. On this basis, the optical fiber hydrophone PGC−Atan demodulation system was constructed, and the simulated underwater acoustic signal test demodulation research was carried out. Experimental results showed that the system can demodulate underwater acoustic signals below 1 kHz.

All-optical microwave bandpass filter and phase shifter using a broadband optical source and an optical phase modulator

2012 ◽  
Vol 37 (10) ◽  
pp. 1661 ◽  
Author(s):  
Xiaoxiao Xue ◽  
Xiaoping Zheng ◽  
Hanyi Zhang ◽  
Bingkun Zhou
Keyword(s):  
Phase Shifter ◽  
Bandpass Filter ◽  
Phase Modulator ◽  
Optical Source ◽  
Optical Phase ◽  
All Optical

scholarly journals Generation of 213 Gbaud 8PSK signal using an SOA-based all-optical phase modulator

2011 ◽  
Vol 19 (26) ◽  
pp. B12 ◽  
Author(s):  
J. M. Dailey ◽  
R. P. Webb ◽  
R. J. Manning
Keyword(s):  
Phase Modulator ◽  
Optical Phase ◽  
All Optical

Study on PGC Demodulation System Based on All-Optical Microfiber Phase Modulator

2016 ◽  
Vol 43 (7) ◽  
pp. 0710002
Author(s):  
于洋 Yu Yang ◽  
张学亮 Zhang Xueliang ◽  
孙世林 Sun Shilin ◽  
宋章启 Song Zhangqi ◽  
孟洲 Meng Zhou
Keyword(s):  
Phase Modulator ◽  
All Optical ◽  
Optical Microfiber

High Sensitivity All Optical Fiber Conductivity-Temperature-Depth (CTD) Sensing Based on an Optical Microfiber Coupler (OMC)

2019 ◽  
Vol 37 (11) ◽  
pp. 2739-2747 ◽  
Author(s):  
Yang Yu ◽  
Qiang Bian ◽  
Yang Lu ◽  
Xueliang Zhang ◽  
Junbo Yang ◽  
...  
Keyword(s):  
Optical Fiber ◽  
High Sensitivity ◽  
All Optical ◽  
Optical Microfiber ◽  
Temperature Depth

scholarly journals Quantum limits to all-optical phase shifts in a Kerr nonlinear medium

1992 ◽  
Vol 45 (3) ◽  
pp. 1919-1923 ◽  
Author(s):  
Barry C. Sanders ◽  
Gerard J. Milburn
Keyword(s):  
Nonlinear Medium ◽  
Phase Shifts ◽  
Optical Phase ◽  
All Optical ◽  
Quantum Limits
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