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 Research on SFTS structure based optical fiber sensor

TONG Zheng-rong SUN Li-li QIN Juan ZHANG Wei-hua

[摘要]

 PDF全文Optoelectronics Letters | 2019, 15(01):39

 Magnetic field sensor based on peanut-shape structure and multimode fiber

CAO Ye ZHAO Yue TONG Zheng-rong WANG Yan

[摘要]

 PDF全文Optoelectronics Letters | 2018, 14(03):184

 Acontinuously tunable microwave photonic notch filter with complex coefficient based on phase modulation

XU Dong CAO Ye TONG Zheng-rong YANG Jing-peng

[摘要]

 PDF全文Optoelectronics Letters | 2018, 14(01):13

 Research on optical fiber magnetic field sensors based on multi-mode fiber and spherical structure

WANG Yan TONG Zheng-rong ZHANG Wei-hua LUAN Pan-pan ZHAO Yue XUE Li-fang

[摘要]

 PDF全文Optoelectronics Letters | 2018, 14(01):16

 A widely tunable microwave photonic notch filter with adjustable bandwidth based on multi-wavelength fiber laser

LI Xin-yang CAO Ye XU Dong TONG Zheng-rong YANG Jing-peng

[摘要]A widely tunable microwave photonic notch filter with adjustable bandwidth based on multi-wavelength fiber laser is proposed and demonstrated. The multi-wavelength fiber laser generates the multi-taps...

 PDF全文Optoelectronics Letters | 2017, 13(04):259

 Magnetic field sensor based on peanut-shape structure and multimode fiber

CAO Ye ZHAO Yue TONG Zheng-rong WANG Yan

[摘要]An all fiber magnetic field sensor with peanut-shape structure based on multimode fiber (MMF) is proposed and experimentally demonstrated. The sensing structure and magnetic fluid (MF) are both encaps...

 PDF全文Optoelectronics Letters | 2017, 13(03):184

 A continuously tunable microwave photonic notch filterwith complex coefficient based on phase modulation

XU Dong CAO Ye TONG Zheng-rong YANG Jing-peng

[摘要]A continuously tunable microwave photonic notch filter with complex coefficient based on phase modulation is proposed and demonstrated. The complex coefficient is generated using a Fourier-domain opti...

 PDF全文Optoelectronics Letters | 2017, 13(01):13

 Research on optical fiber magnetic field sensors based on multi-mode fiber and spherical structure

WANG Yan TONG Zheng-rong ZHANG Wei-hua LUAN Pan-pan ZHAO Yue XUE Li-fang

[摘要]A magnetic field sensor with a magnetic fluid (MF)-coated intermodal interferometer is proposed and experimentally demonstrated. The interferometer is formed by sandwiching a segment of single mode fi...

 PDF全文Optoelectronics Letters | 2017, 13(01):16

 Microwave photonic notch filter with complex coefficient based on four wave mixing

XU Dong CAO Ye TONG Zheng-rong YANG Jing-peng

[摘要]A microwave photonic notch filter with a complex coefficient is proposed and demonstrated based on four wave mixing (FWM). FWM effect of two single-frequency laser beams occurs in a highly nonlinear f...

 PDF全文Optoelectronics Letters | 2016, 12(06):417

 Tunable fiber laser based on a cascaded structure consisting of in-line MZI and traditional MZI

TONG Zheng-rong YANG He ZHANG Wei-hua

[摘要]A tunable erbium-doped fiber (EDF) laser with a cascaded structure consisting of in-line Mach-Zehnder interferometer (MZI) and traditional MZI is proposed. The transmission spectrum of the in-line MZI...

 PDF全文Optoelectronics Letters | 2016, 12(06):437

 A microwave photonic filter based on multi-wavelength fiber laser and infinite impulse response

XU Dong CAO Ye ZHAO Ai-hong TONG Zheng-rong

[摘要]A microwave photonic filter (MPF) based on multi-wavelength fiber laser and infinite impulse response (IIR) is proposed. The filter uses a multi-wavelength fiber laser as the light source, two section...

 PDF全文Optoelectronics Letters | 2016, 12(05):325

 Optical fiber magnetic field sensors with peanut-shape structure cascaded with LPFG

CAO Ye ZHAO Yue TONG Zheng-rong WANG Yan

[摘要]An optical fiber magnetic field sensor for the dual-parameter simultaneous measurement is proposed and demonstrated. The sensor head is constructed by a peanut-shape structure and long period fiber gr...

 PDF全文Optoelectronics Letters | 2016, 12(05):358

 Tunable and switchable dual-wavelength erbium-doped fiber laser based on in-line tapered fiber filters

TONG Zheng-rong YANG He CAO Ye

[摘要]A tunable and switchable dual-wavelength erbium-doped fiber laser (EDFL) based on all-fiber single-mode tapered fiber structure has been demonstrated. By adjusting the variable optical attenuator (VOA...

 PDF全文Optoelectronics Letters | 2016, 12(04):264

 All fiber sensor based on Mach-Zehnder interferometer for simultaneous measurement of temperature and refractive index

CAO Ye ZHAO Chen TONG Zheng-rong

[摘要]In this paper, we propose and experimentally demonstrate a compact optical fiber sensor based on a Mach-Zehnder interferometer (MZI) cascaded with fiber Bragg grating (FBG) for simultaneous measuremen...

 PDF全文Optoelectronics Letters | 2015, 11(06):438

 Performance of CO-OFDM system with RS-Turbo concatenated code

TONG Zheng-rong HU Gui-bin CAO Ye ZHANG Wei-hua

[摘要]In this paper, the RS-Turbo concatenated code is applied to coherent optical orthogonal frequency division multiplexing (CO-OFDM) system. RS(186,166,8) and Turbo code with code rate of 1/2 are employe...

 PDF全文Optoelectronics Letters | 2015, 11(06):457

 Switchable dual-wavelength erbium-doped fiber laser with tunable wavelength

TONG Zheng-rong LIU Meng-ying CAO Ye ZHANG Wei-hua HAO Xia

[摘要]A switchable dual-wavelength erbium-doped fiber laser (EDFL) with tunable wavelength is demonstrated. The ring cavity consists of two branches with a fiber Bragg grating (FBG) and a spherical-shape st...

 PDF全文Optoelectronics Letters | 2015, 11(05):325

 Research on the transmission performance of turbo codes in DDO-OFDM system

TONG Zheng-rong HU Gui-bin CAO Ye ZHANG Wei-hua

[摘要]A direct detection optical orthogonal frequency division multiplexing (DDO-OFDM) system using turbo codes is built, and the transmission performance comparison between coded system and uncoded system ...

 PDF全文Optoelectronics Letters | 2015, 11(02):134

 Simultaneous measurement of temperature and refractive index based on a core-offset Mach-Zehnder interferometer cascaded with a long-period fiber grating

CAO Ye LIU Hui-ying TONG Zheng-rong YUAN Shuo ZHAO Shun

[摘要]An all-fiber sensor based on a cascaded optical fiber device is proposed and demonstrated, and its sensor head is composed of a core-offset Mach-Zehnder interferometer (MZI) and a long-period fiber gr...

 PDF全文Optoelectronics Letters | 2015, 11(01):69

 A variable coefficient microwave photonic filter based on multi-wavelength fiber laser and Mach-Zehnder interferometer

CAO Ye LIU Ce TONG Zheng-rong

[摘要]A microwave photonic filter (MPF) with variable coefficient is proposed and demonstrated, which is constructed by a multi-wavelength fiber laser and Mach-Zehnder interferometer (MZI). Through changing...

 PDF全文Optoelectronics Letters | 2014, 10(06):401

 A novel joint technique for PAPR reduction in CO-OFDM systems

LIU Ying-hui TONG Zheng-rong CAO Ye ZHANG Wei-hua LI Lan

[摘要]For the high peak-to-average power ratio (PAPR) of coherent optical orthogonal frequency division multiplexing (CO-OFDM) system, a novel joint technique which is the combination of iterative partial t...

 PDF全文Optoelectronics Letters | 2014, 10(04):277

 A dual-wavelength erbium-doped fiber laser with widely tunable wavelength spacing

ZHANG Wei-hua TONG Zheng-rong CAO Ye

[摘要]A stable dual-wavelength erbium-doped fiber laser (EDFL) with tunable wavelength spacing and equalized output power is proposed and experimentally demonstrated. The fiber laser uses two fiber Fabry-Pe...

 PDF全文Optoelectronics Letters | 2014, 10(02):100

 Study on the sensing characteristics of a local microstructured long period fiber grating

CAO Ye PEI Yong-wei YANG Yin-fei TONG Zheng-rong

[摘要]A simple and effective method employing a local micro-structured long period fiber grating (LMS-LPFG) for the simultaneous measurement of temperature and refractive index is proposed and investigated ...

 PDF全文Optoelectronics Letters | 2014, 10(02):129

 A switchable dual-wavelength erbium-doped fiber laser based on Sagnac loop inserted with two FBGs

CAO Ye LU Nan TONG Zheng-rong

[摘要]A novel switchable dual-wavelength erbium-doped fiber (EDF) laser is demonstrated. The wavelength selection element consists of two fiber Bragg gratings (FBGs), a polarization controller (PC) and a 3 ...

 PDF全文Optoelectronics Letters | 2013, 9(06):434

 Simultaneous measurement of refractive index, temperature and strain based on core diameter mismatch and polarization-maintaining FBG

TONG Zheng-rong WANG Jie-yu ZHANG Wei-hua CAO Ye

[摘要]A kind of fiber-optic sensor for simultaneous measurement of refractive index of surrounding medium, temperature and strain is described. Based on core diameter mismatch, a multimode-single mode-multi...

 PDF全文Optoelectronics Letters | 2013, 9(03):238

 Coupling characteristics of the high-polarization dualcore photonic crystal fiber with mixing air holes

CAO Ye CUI Dan-ning TONG Zheng-rong

[摘要]A high-polarization dual-core photonic crystal fiber (PCF) with mixing air holes is designed. The full-vector finite element method and coupled-mode theory are used to investigate the birefringence, c...

 PDF全文Optoelectronics Letters | 2013, 9(02):127

 Highly birefringent photonic crystal fibers with flattened dispersion and low confinement loss

CAO Ye LI Rong-min TONG Zheng-rong

[摘要]A highly birefringent index-guiding photonic crystal fiber (PCF) with flattened dispersion and low confinement loss is proposed by introducing two small air holes with the same diameter in the core ar...

 PDF全文Optoelectronics Letters | 2013, 9(01):45

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