High-speed and high-contrast two-channel all-optical modulator based on solution-processed CdSe/ZnS quantum dots [PDF]
Scientific Reports, 2022 Recently, all-optical modulators are potentially the most promising candidate to achieve high-bit rate modulation in high-speed all-optical communication technologies and signal processing.
Hannaneh Dortaj +2 more
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Boron quantum dots all-optical modulator based on efficient photothermal effect
Opto-Electronic Advances, 2021 All-optical devices without external electronic components have drawn extraordinary attentions in all-optical communication. In this work, boron quantum dots (BQDs) were synthesized by a facile liquid-phase exfoliation method. The as-prepared BQDs showed
Cong Wang +10 more
doaj +3 more sources
All-optical modulator with photonic topological insulator made of metallic quantum wells [PDF]
NanophotonicsAll-optical modulators hold significant prospects for future information processing technologies for they are able to process optical signals without the electro-optical convertor which limits the achievable modulation bandwidth.
Wang Haiteng +8 more
doaj +2 more sources
Low Insertion Loss Plasmon-Enhanced Graphene All-Optical Modulator [PDF]
ACS Omega, 2021 Mohammed AlAloul, Mahmoud Rasras
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Demonstration of multiple-wavelength-band photonic integrated circuits using a silicon and silicon nitride 2.5D integration method [PDF]
NanophotonicsConventional photonic integrated circuits (PICs) are fundamentally limited by single-wavelength-band operation. To transcend this barrier, we introduce a multiple-wavelength-band platform using a 2.5D integration scheme that monolithically combines ...
Fu Meicheng +12 more
doaj +2 more sources
Optical Microfiber All-Optical Phase Modulator for Fiber Optic Hydrophone
Nanomaterials, 2021 In order to meet the needs of phase generated carrier (PGC) demodulation technology for interferometric fiber optic hydrophones, we proposed an optical microfiber all-optical phase modulator (OMAOPM) based on the photo-induced thermal phase shift effect,
Minwei Li +8 more
doaj +1 more source
All-optical linearized Mach-Zehnder modulator
Optics Express, 2021 A practical, broadband, all-optical linearization concept for a Mach-Zehnder modulator (MZM) is proposed and demonstrated. The unique transmitter design includes an amplitude modulated (AM) standard MZM with two optical outputs, where the alternative (or complimentary) output is combined with the laser carrier to create a linearizing optical local ...
Paul A. Morton +2 more
openaire +2 more sources
All-optical nonvolatile optical modulator for in-fiber operation
Nanophotonics, 2023 The control of information is a defining feature of the information age, and the optical modulator likewise has a crucial role in optical networks. The transmission, processing, and storage of data have demanded low energy consumption and high speed for ...
Liu Zhihai +10 more
doaj +1 more source
Graphdiyne-Coated Microfiber All-Optical Temporal Modulator Based on Saturable Absorption
Frontiers in Physics, 2022 A high-speed all-optical modulator is a key device in next-generation communication systems. Due to easy fabrication and an effective modulation effect, two-dimensional (2D) material–microfiber structure all-optical modulators have aroused much attention.
Kuokuo Zhang +4 more
doaj +1 more source
All-optical AZO-based modulator topped with Si metasurfaces
Scientific Reports, 2022 All-optical communication systems are under continuous development to address different core elements of inconvenience. Here, we numerically investigate an all-optical modulator, realizing a highly efficient modulation depth of 22 dB and a low insertion ...
Sareh Vatani +2 more
doaj +1 more source