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
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Bias-Free Silicon-Based Optical Single-Sideband Modulator Without 2nd-Order Sideband
IEEE Photonics Journal, 2020 In this paper, a bias-free silicon optical single-sideband (OSSB) modulator without 2nd-order sideband is proposed and theoretically investigated. The proposed modulator is based on a dual-drive Mach-Zehnder modulator (DDMZM) and silicon photonics ...
Heidar Keshavarz +4 more
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Photonics, 2022 We analyzed a Mach–Zehnder electro-optical modulator based on a silicon nitride strip–loaded waveguide on 0.5 μm thick x-cut lithium niobate thin film.
Huangpu Han +7 more
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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
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Precise RF Phase Measurement by Optical Sideband Generation Using Mach–Zehnder Modulators
Photonics, 2023 A novel radio frequency (RF) phase measurement method that uses optical modulation was proposed. The mathematical model of Mach–Zehnder modulator (MZM) characterization was reviewed.
Qingchuan Huang, Tetsuya Kawanishi
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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
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Dual-drive LiNbO_3 interferometric Mach-Zehnder architecture with extended linear regime for high peak-to-average OFDM-based communication systems [PDF]
, 2011 A dual-drive LiNbO3 architecture modulator with chirp management is proposed and developed offering SFDR > 25 dB in a 1.4 V bias excursion compared to only 0.5 V bias excursion in a conventional Mach-Zehnder electro-optical modulator (MZ-EOM).
Alexandre Mottet +9 more
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IEEE Photonics Journal, 2019 We propose a new scheme to generate multi-frequency vector mm-wave signals based on cascaded phase modulator and I/Q modulator by adopting independent-sideband (ISB) modulation scheme.
Mingming Zhao +6 more
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Miniature Fourier Transform Spectrometer Based on Thin-Film Lithium Niobate
Micromachines, 2023 A miniature Fourier transform spectrometer is proposed using a thin-film lithium niobate electro-optical modulator instead of the conventional modulator made by titanium diffusion in lithium niobate.
Lichao Zhang +14 more
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Generation of Arbitrary Frequency Chirps with a Fiber-Based Phase Modulator and Self-Injection-Locked Diode Laser [PDF]
, 2006 We present a novel technique for producing pulses of laser light whose frequency is arbitrarily chirped. The output from a diode laser is sent through a fiber-optical delay line containing a fiber-based electro-optical phase modulator. Upon emerging from
Bakos +26 more
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