Tunable Functional Waveform Generation and Common-Parameter Tuning Based on Image‒Reject Mixer

Weichen Zhao; Jing Li; Cheng Tian; Li Pei; Tigang Ning

doi:10.3788/AOS241655

Acta Optica Sinica, Volume. 45, Issue 3, 0307001(2025)

Tunable Functional Waveform Generation and Common-Parameter Tuning Based on Image‒Reject Mixer

Weichen Zhao, Jing Li^*, Cheng Tian, Li Pei, and Tigang Ning

Key Laboratory of All-Optical Network and Modern Communication Network of Ministry of Education, Institute of Optical Wave Technology, Beijing Jiaotong University, Beijing 100044, China

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Figures & Tables(17)

Fig. 1. Schematic diagram of tunable functional waveform generation architecture based on image-reject mixer

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Fig. 2. Schematic diagram of time-domain waveform for triangular waves with adjustable symmetry factor

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Fig. 3. Schematic diagram of time-domain waveform of square waves with adjustable duty cycle

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Fig. 4. Schematic diagram of time-domain waveform for symmetrical triangular waves with adjustable duty cycle

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Fig. 5. Triangular waves with symmetry factor $σ$ between 30% and 70%. (a) Time-domain waveform diagrams; (b) frequency spectrum diagrams

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Fig. 6. Square waves with duty cycle $δ$ between 30% and 60%. (a) Time-domain waveform diagrams; (b) frequency spectrum diagrams

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Fig. 7. Simulated time-domain waveform diagrams of triangular waves with duty cycle $δ$ between 50% and 70%. (a) Time-domain waveform diagrams; (b) frequency spectrum diagrams

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Fig. 8. RMSE distributions of theoretical and simulated results. (a) Theoretical RMSE corresponding to each harmonic order; (b) RMSE of triangular waves with adjustable symmetry factor

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Fig. 9. Influence of modulation index drift on waveform. (a) $σ = 30 %$ ; (b) $σ = 50 %$

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Fig. 10. Influence of phase difference drift on waveform

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Fig. 11. Influence of bias voltage drift on waveform

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Table 1. Values of b₁, b₂, and b₃ for triangular waves with different symmetry factors
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Table 1. Values of b₁, b₂, and b₃ for triangular waves with different symmetry factors
$σ$ /% b₁ b₂ b₃
30 1.2263 0.3604 0.0520
40 1.2614 0.1949 -0.0866
50 1.2732 0 -0.1415
60 1.2614 -0.1949 -0.0866
70 1.2263 -0.3604 0.0520

Table 2. Values of b₁, b₂, and b₃ for square waves with different duty cycles
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Table 2. Values of b₁, b₂, and b₃ for square waves with different duty cycles
$δ$ /% b₁ b₂ b₃
30 0.5150 0.3027 0.0656
40 0.6055 0.1871 -0.1247
50 0.6366 0 -0.2122
60 0.6055 -0.1871 -0.1247

Table 3. Values of b₁, b₂, and b₃for triangular waves with different duty cycles
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Table 3. Values of b₁, b₂, and b₃for triangular waves with different duty cycles
$δ$ /% b₁ b₂ b₃
50 0.4053 0.2026 0.0450
60 0.4421 0.1527 0.0072
70 0.4596 0.0947 0.0016

Table 4. Parameter values corresponding to symmetric triangular waves with different symmetry factors
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Table 4. Parameter values corresponding to symmetric triangular waves with different symmetry factors
σ /% β $V_{b i a s}$ θ /rad
30 1.36 0 0.73
40 1.67 0 1.31
50 1.51 0 1.57
60 0.95 0 1.94
70 0.64 0 2.34

Table 5. Parameter values corresponding to square wave signals with different duty cycles
View table
Table 5. Parameter values corresponding to square wave signals with different duty cycles
σ /% β $V_{b i a s}$ θ /rad
30 2.34 0 0.82
40 2.52 0 1.30
50 2.30 0 1.57
60 1.53 0 1.98

Table 6. Parameter values corresponding to symmetric triangular waves with different duty cycles
View table
Table 6. Parameter values corresponding to symmetric triangular waves with different duty cycles
σ /% β $V_{b i a s}$ θ /rad
50 2.05 0 0.75
60 1.88 0 0.99
70 1.28 0 1.02

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Weichen Zhao, Jing Li, Cheng Tian, Li Pei, Tigang Ning. Tunable Functional Waveform Generation and Common-Parameter Tuning Based on Image‒Reject Mixer[J]. Acta Optica Sinica, 2025, 45(3): 0307001

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Paper Information

Category: Fourier optics and signal processing

Received: Oct. 20, 2024

Accepted: Nov. 21, 2024

Published Online: Feb. 21, 2025

The Author Email: Jing Li (lijing@bjtu.edu.cn)

DOI:10.3788/AOS241655

CSTR:32393.14.AOS241655

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Values of b1, b2, and b3 for triangular waves with different symmetry factors

Table 1. Values of b1, b2, and b3 for triangular waves with different symmetry factors

Table 2. Values of b1, b2, and b3 for square waves with different duty cycles

Table 2. Values of b1, b2, and b3 for square waves with different duty cycles

Table 3. Values of b1, b2, and b3for triangular waves with different duty cycles

Table 3. Values of b1, b2, and b3for triangular waves with different duty cycles

Table 4. Parameter values corresponding to symmetric triangular waves with different symmetry factors

Table 4. Parameter values corresponding to symmetric triangular waves with different symmetry factors

Table 5. Parameter values corresponding to square wave signals with different duty cycles

Table 5. Parameter values corresponding to square wave signals with different duty cycles

Table 6. Parameter values corresponding to symmetric triangular waves with different duty cycles

Table 6. Parameter values corresponding to symmetric triangular waves with different duty cycles

Table 1. Values of b₁, b₂, and b₃ for triangular waves with different symmetry factors

Table 1. Values of b₁, b₂, and b₃ for triangular waves with different symmetry factors

Table 2. Values of b₁, b₂, and b₃ for square waves with different duty cycles

Table 2. Values of b₁, b₂, and b₃ for square waves with different duty cycles

Table 3. Values of b₁, b₂, and b₃for triangular waves with different duty cycles

Table 3. Values of b₁, b₂, and b₃for triangular waves with different duty cycles