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Chinese Optics Letters, Volume. 14, Issue 1, 011403(2016)

Observation of antiphase dynamics and harmonic resonance in a modulated dual-wavelength laser

Huibin Chen1,2, Ge Zhang1, Wenbin Liao1, Bingxuan Li1, Xiaolei Wang1、*, and Zhenqiang Chen3
Author Affiliations
  • 1Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Institute of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China
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    Schematic of the experiment.

    Fig. 1. Schematic of the experiment.

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    Measured spectrum of the laser output of two wavelengths and its beam profile.

    Fig. 2. Measured spectrum of the laser output of two wavelengths and its beam profile.

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    Temporal characteristics of the intensities of the dual-wavelength laser; (a) I1+I2, (b) I1, and (c) I2.

    Fig. 3. Temporal characteristics of the intensities of the dual-wavelength laser; (a) I1+I2, (b) I1, and (c) I2.

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    Temporal characteristics of the intensities of the laser with a 200 Hz modulation and a 7 V generating voltage; (a) I1+I2, (b) I1, and (c) I2.

    Fig. 4. Temporal characteristics of the intensities of the laser with a 200 Hz modulation and a 7 V generating voltage; (a) I1+I2, (b) I1, and (c) I2.

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    The response of intensity oscillations of the laser with a 200 Hz modulation and a 20 V generating voltage, indicating second-harmonic resonance; (a) I1+I2, (b) I1, and (c) I2. (d) Power spectra corresponding to a, b, and c (from top to bottom).

    Fig. 5. The response of intensity oscillations of the laser with a 200 Hz modulation and a 20 V generating voltage, indicating second-harmonic resonance; (a) I1+I2, (b) I1, and (c) I2. (d) Power spectra corresponding to a, b, and c (from top to bottom).

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    Experimental time evolution of the two separate wavelengths with a 500 Hz modulation. The corresponding voltages modulations are (a) 1, (b) 5, (c) 5.5, and (d) 8 V. Note that, for increasing modulating amplitudes, the system exhibits antiphase dynamics within the higher-order harmonic resonance.

    Fig. 6. Experimental time evolution of the two separate wavelengths with a 500 Hz modulation. The corresponding voltages modulations are (a) 1, (b) 5, (c) 5.5, and (d) 8 V. Note that, for increasing modulating amplitudes, the system exhibits antiphase dynamics within the higher-order harmonic resonance.

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    Power spectra corresponding to Fig. 6; (a) refers to I1 and (b) refers to I2. The modulating voltage is growing from bottom to top.

    Fig. 7. Power spectra corresponding to Fig. 6; (a) refers to I1 and (b) refers to I2. The modulating voltage is growing from bottom to top.

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    Huibin Chen, Ge Zhang, Wenbin Liao, Bingxuan Li, Xiaolei Wang, Zhenqiang Chen, "Observation of antiphase dynamics and harmonic resonance in a modulated dual-wavelength laser," Chin. Opt. Lett. 14, 011403 (2016)

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Aug. 24, 2015

    Accepted: Nov. 6, 2015

    Published Online: Aug. 6, 2018

    The Author Email: Xiaolei Wang (wang2022@purdue.edu)

    DOI:10.3788/COL201614.011403

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology