Silicon high-speed binary phase-shift keying modulator with a single-drive push–pull high-speed traveling wave electrode

Jinting Wang; Linjie Zhou; Haike Zhu; Rui Yang; Yanyang Zhou; Lei Liu; Tao Wang; Jianping Chen

doi:10.1364/PRJ.3.000058

Photonics Research, Volume. 3, Issue 3, 58(2015)

Silicon high-speed binary phase-shift keying modulator with a single-drive push–pull high-speed traveling wave electrode

Jinting Wang¹, Linjie Zhou^1、*, Haike Zhu¹, Rui Yang¹, Yanyang Zhou¹, Lei Liu², Tao Wang², and Jianping Chen¹

Author Affiliations

¹State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

²Transmission Technology Research Department, Huawei Technologies Co. Ltd., Shenzhen 518129, China

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Figures & Tables(8)

Fig. 1. (a) Schematic structure of the BSPK modulator. (b) Cross section of modulation arms showing the single-drive TWE. (c) Equivalent circuit model of the TWE.

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Fig. 2. Simulation results of MZI-1. (a) EE and EO S21 responses. (b) Z0 and neff versus RF frequency.

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Fig. 3. Effects of various TWE parameters: (a) WE, (b) SE, (c) Wn, (d) Wp, (e) Sdop, and (f) Svia on RF attenuation, Z0, and neff.

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Fig. 4. Simulation results of MZI-2. (a) EE and EO S21 responses. (b) Z0 and neff versus RF frequency.

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Fig. 5. Measured optical transmission spectra under various bias voltages.

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Fig. 6. Measured (a) S21 and (b) S11 responses of MZI-2 with DC bias voltage varying from 0 to −4 V.

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Fig. 7. (a) Measured BPSK signal eye diagram. (b) Measured BPSK constellation diagram. The signal data rate is 32 Gb/s.

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Table 1. TWE Parameters of BPSK Modulators
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Table 1. TWE Parameters of BPSK Modulators
Name $W_{E} (μm)$ $S_{E} (μm)$ $W_{p} (μm)$ $W_{n} (μm)$ $S_{via} (μm)$ $S_{dop} (μm)$
MZI-1 25 16 20 12 4.5 0.8
MZI-2 60 50 20.7 16.2 16.7 0.5

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Jinting Wang, Linjie Zhou, Haike Zhu, Rui Yang, Yanyang Zhou, Lei Liu, Tao Wang, Jianping Chen, "Silicon high-speed binary phase-shift keying modulator with a single-drive push–pull high-speed traveling wave electrode," Photonics Res. 3, 58 (2015)

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