Research on Current Compensation Method for Wavelength Jumping in MG-Y Laser

Di WANG; Wei ZHUANG; Xu ZHANG; Le WANG; Wanquan LIU

doi:10.13756/j.gtxyj.2025.230183

Study On Optical Communications, Volume. 51, Issue 1, 230183-01(2025)

Research on Current Compensation Method for Wavelength Jumping in MG-Y Laser

Di WANG¹, Wei ZHUANG^1,2,5、*, Xu ZHANG³, Le WANG², and Wanquan LIU⁴

¹Beijing Engineering Research Center for Optoelectronic Information and Instruments, Beijing University of Information Science and Technology, Beijing 100192, China

²Laboratory of Fiber Optic Sensing and Systems, Beijing University of Information Science and Technology, Beijing 100016, China

³Tianjin University, Tianjin 300072, China

⁴Curtin University, Perth 6102, Australia

⁵Guangzhou Nansha Institute of Photon Sensing Technology, Guangzhou 511462, China

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Figures & Tables(8)

Fig. 1. Schematic diagram of MG-Y laser structure

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Fig. 2. Relationship diagram between I_RR、I_LR current code and scanning wavelengths

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Fig. 3. Wavelength jump diagram at channel switching position

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Fig. 4. Wavelength deviation diagram at channel switching position for each switching frequencies

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Fig. 5. The wavelength jump test diagram of MG-Y laser

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Fig. 6. Relationship between three currents and wavelength

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Table 1. Experimental data before compensation
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Table 1. Experimental data before compensation
f/Hz W_scan1/nm werr1/pm werr2/pm
512 1 530.202 6 －1.9 －1.9
640 1 530.202 3 －2.0 －2.1
1 280 1 530.201 8 －2.7 －2.7
2 560 1 530.201 2 －3.3 －3.2
64 000 1 530.198 5 －6.0 －6.0

Table 2. Experimental data after compensation
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Table 2. Experimental data after compensation
f/Hz W_scan2/nm werr3/pm
512 1 530.203 9 0.6
640 1 530.204 0 0.5
1 280 1 530.203 8 0.7
2 560 1 530.203 7 0.8
64 000 1 530.203 6 0.9

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Di WANG, Wei ZHUANG, Xu ZHANG, Le WANG, Wanquan LIU. Research on Current Compensation Method for Wavelength Jumping in MG-Y Laser[J]. Study On Optical Communications, 2025, 51(1): 230183-01

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