Volume 48 Issue 1
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Wang Yifang, Wu Kan, Chen Jianping. All-optical thermal modulator based on MoS2/WSe2-PVA thin film (invited)[J]. Infrared and Laser Engineering, 2019, 48(1): 103003-0103003(5). doi: 10.3788/IRLA201948.0103003
Citation: Wang Yifang, Wu Kan, Chen Jianping. All-optical thermal modulator based on MoS2/WSe2-PVA thin film (invited)[J]. Infrared and Laser Engineering, 2019, 48(1): 103003-0103003(5). doi: 10.3788/IRLA201948.0103003
shu

All-optical thermal modulator based on MoS2/WSe2-PVA thin film (invited)

doi: 10.3788/IRLA201948.0103003
  • 1.

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

  • Received Date: 2018-08-21
  • Rev Recd Date: 2018-09-24
  • Publish Date: 2019-01-25
  • All-optical modulator plays an important role for various all-optical applications in optical communication. An all-optical modulator was mainly investigated based on few-layer molybdenum disulfide (MoS2)-polyvinyl alcohol (PVA) thin films. In addition, an all-optical modulator based on few-layer tungsten disulfide (WSe2)-polyvinyl alcohol (PVA) thin film was also demonstrated. The modulator was based on polarization interference and the thermo-optic effect of TMDs-PVA thin film. A long-time stable modulated output was obtained. By absorbing the pump at 980 nm, MoS2 or WSe2 generates heat, changes the refractive index of thin film and modifies the polarization of the incident light at 1 550 nm. The obtained thermal all-optical modulator based on MoS2-PVA thin film has a rise time of 526 s.
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All-optical thermal modulator based on MoS2/WSe2-PVA thin film (invited)

doi: 10.3788/IRLA201948.0103003
  • 1. State Key Laboratory of Advanced Optical Communication Systems and Networks,Shanghai Jiao Tong University,Shanghai 200240,China
  • Received Date: 2018-08-21
  • Rev Recd Date: 2018-09-24
  • Publish Date: 2019-01-25

Abstract: All-optical modulator plays an important role for various all-optical applications in optical communication. An all-optical modulator was mainly investigated based on few-layer molybdenum disulfide (MoS2)-polyvinyl alcohol (PVA) thin films. In addition, an all-optical modulator based on few-layer tungsten disulfide (WSe2)-polyvinyl alcohol (PVA) thin film was also demonstrated. The modulator was based on polarization interference and the thermo-optic effect of TMDs-PVA thin film. A long-time stable modulated output was obtained. By absorbing the pump at 980 nm, MoS2 or WSe2 generates heat, changes the refractive index of thin film and modifies the polarization of the incident light at 1 550 nm. The obtained thermal all-optical modulator based on MoS2-PVA thin film has a rise time of 526 s.

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