Design and analysis of nonvolatile GSST-based modulator utilizing engineered Mach-Zehnder structure with graphene heaters

Mohammadi-Pouyan, Sohrab; Bahadori-Haghighi, Shahram; Rafatmah, Afrooz; Azizur Rahman, B.M.

doi:10.1016/j.optlastec.2023.110088

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2024

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Cited by 6 publications

References 31 publications

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On-chip guided wave THz photonic switching with a phase change material on a dielectric waveguide encompassed with a novel micro-fins heater

Yadav,

Sirish,

Morthier

et al. 2024

Optik

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On-chip guided wave THz photonic switching with a phase change material on a dielectric waveguide encompassed with a novel micro-fins heater

Yadav,

Sirish,

Morthier

et al. 2024

Optik

View full text Add to dashboard Cite

Graphene-Dielectric metasurface of asymmetric grooved disks for biosensing and surface roughness evaluation

Bahadori-Haghighi,

Heidari,

Katebi Jahromi

2024

Optics & Laser Technology

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Single-mode fiber multi-level all-optical switching using GSST-graphene oxide hybrid thin film structure

Gan,

Chew,

et al. 2024

Journal of Applied Physics

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Ge2Sb2Se4Te1 (GSST) exhibits unprecedented broadband transparency over the infrared wavelength range and has emerged as a promising functional material in photonic applications that operate in the optical fiber telecommunication wavelength band. In this work, GSST and graphene oxide (GO) are integrated into an optical fiber link to achieve all-fiber non-volatile multilevel photonic memory. The GSST and GO (GSST-GO) duo-layer hybrid structure is sandwiched between two optical fiber ferrules, where the GO acts as a localized heat source to initiate the phase transition of GSST upon optical excitation. The GSST-GO-coated fiber exhibits a low insertion loss of 0.8 dB and a maximum readout contrast of about 32%, with at least five distinguished memory states. The response time of the device is measured in the range between 2.5 and 9.5 μs. This work serves as a proof of concept on implementing the GSST-GO duo-layer hybrid structure in optical fiber platform to realize all-fiber non-volatile multi-bit channel control or data storage.

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Design and analysis of nonvolatile GSST-based modulator utilizing engineered Mach-Zehnder structure with graphene heaters

Cited by 6 publications

References 31 publications

On-chip guided wave THz photonic switching with a phase change material on a dielectric waveguide encompassed with a novel micro-fins heater

On-chip guided wave THz photonic switching with a phase change material on a dielectric waveguide encompassed with a novel micro-fins heater

Graphene-Dielectric metasurface of asymmetric grooved disks for biosensing and surface roughness evaluation

Single-mode fiber multi-level all-optical switching using GSST-graphene oxide hybrid thin film structure

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