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December 3, 2023 at 9:27 pmMosfequl AbedinSubscriber
 I am using MoS2 and WS2 vertical heterojunction for my simulation. I am using TSFS source. I took refractive index from
Refractiveindex.info. As my both layers are 6nm thick I am using refractive index as below
WS2
  Vyshnevyy et al. 2023: n,k(o) 0.36–1.70 µm Vyshnevyy et al. 2023: n,k(e) 0.36–1.70 µm   Jung et al. 2019: monolayer film; n,k 0.38–0.89 µm Ermolaev et al. 2020: monolayer film; n,k 0.365–1.70 µm Hsu et al. 2019: monolayer (1L) film; n,k 0.40–0.85 µm Hsu et al. 2019: 2-layer (2L) film; n,k 0.40–0.85 µm Hsu et al. 2019: 3-layer (3L) film; n,k 0.40–0.85 µm   Munkhbat et al. 2022: multilayer flakes; n(o),k 0.30–1.69 µm Munkhbat et al. 2022: multilayer flakes; n(e) 0.30–1.69 µm ÂOptical constants of WS2 (Tungsten disulfide)
MoS2
  Beal and Huges 1979: bulk; n,k 0.081–1.24 µm Ermolaev et al. 2020: bulk; n(o),k 0.290–3.30 µm Ermolaev et al. 2021: bulk; n(e) 0.360–1.70 µm Song et al. 2019: bulk; n,k 0.193–1.69 µm   Yim et al. 2014: 2-nm film; n,k 0.38–0.90 µm Yim et al. 2014: 3-nm film; n,k 0.38–0.90 µm Yim et al. 2014: 20-nm film; n,k 0.38–0.90 µm Islam et al. 2021: 33.5-nm film; n,k(o) 0.190–1.70 µm Islam et al. 2021: 33.5-nm film; n(e) 0.954–1.70 µm   Munkhbat et al. 2022: multilayer flakes; n(o),k 0.30–1.69 µm Munkhbat et al. 2022: multilayer flakes; n(e) 0.30–1.69 µm   Zhang et al. 2015: monolayer (1L) film; n,k 0.40–0.75 µm Islam et al. 2021: monolayer (1L) film; n,k 0.190–1.70 µm Islam et al. 2021: few-layer (2.15 nm) film; n,k 0.190–1.70 µm Ermolaev et al. 2020: monolayer (1L) film; n,k 0.290–3.30 µm Hsu et al. 2019: monolayer (1L) film; n,k 0.40–0.86 µm Hsu et al. 2019: 2-layer (2L) film; n,k 0.40–0.86 µm Hsu et al. 2019: 3-layer (3L) film; n,k 0.40–0.86 µm Song et al. 2019: monolayer (1L) film; n,k 0.193–1.69 µm Song et al. 2019: 3-layer (3L) film; n,k 0.193–1.69 µm Song et al. 2019: 4-layer (4L) film; n,k 0.193–1.69 µm Song et al. 2019: 6-layer (6L) film; n,k 0.193–1.69 µm Song et al. 2019: 8-layer (8L) film; n,k 0.193–1.69 µm Song et al. 2019: 10-layer (10L) film; n,k 0.193–1.69 µm Song et al. 2019: 13-layer (13L) film; n,k 0.193–1.69 µm Jung et al. 2019: monolayer (1L) film; n,k 0.38–0.89 µmÂ. After simulating I am getting almost zero power at around 600nm wavelength. (Picture attached). I am using two generation rate window for the simulation. I also tried using one generation rate window at a time by deactivating one layer weather MoS2 or WS2. Am I doing something wrong? Could you please give suggestions to improve.
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December 4, 2023 at 12:52 pmNiki PapachristouAnsys Employee
Hi Mosfequl,
Thank you for reaching out to us. Are you importing the data on the material explorer? Have you checked wether the fitting is acceptable? For example:
Please note that this is the optics forum and not the photonics where lumerical related question are posted. For you next lumerical question please post at:Â Ansys photonics forum
Kind Regards,
Niki
Â
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