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Article
Optics
Shixin Xue et al.
Summary: We present an on-chip high-speed visible-band electro-optic modulator that covers the entire visible spectrum of 400-700 nm. It achieves record low V-pi center dot L values of 0.48, 0.25, and 0.17 V center dot cm at red, green, and blue wavelengths of 630, 520, and 450 nm, respectively, with an operating bandwidth exceeding 20 GHz.
Article
Optics
Bin Chen et al.
Summary: A metal-based one-dimensional grating coupler is designed and demonstrated on an x-cut lithium-niobate-on-insulator wafer structure for a polarization-independent fiber interface. By using a metal-based plasmonic mode, the diffractive angle for the two polarized modes in the lithium niobate ridge waveguide can be tuned to be the same, effectively reducing the polarization dependence of the grating coupler.
Article
Optics
Bingcheng Pan et al.
Summary: This article presents a high-performance lithium niobate electro-optic modulator based on a new 2 x 2 Fabry-Perot cavity. It features a compact footprint, low power consumption, and high modulation speeds, making it promising for high-speed data transmission and signal processing.
PHOTONICS RESEARCH
(2022)
Article
Optics
Gengxin Chen et al.
Summary: This study demonstrates an ultra-large bandwidth electro-optic modulator based on the thin-film lithium niobate platform, which does not compromise the driving voltage and exhibits low loss and high bandwidth. By introducing a special etching technique and a traveling-wave electrode design, excellent performance is achieved.
Article
Chemistry, Multidisciplinary
Martin Thomaschewski et al.
Summary: This study utilizes plasmonics to achieve the most efficient lithium niobate Mach-Zehnder modulator (MZM) to date. By guiding plasmonic modes and controlling their relative optical phase delay with electrical signals, efficient electro-optic modulation is achieved. The proposed MZM operates near its quadrature point to ensure high linearity.
Article
Optics
Gengxin Chen et al.
Summary: This paper reports a compact high-performance modulator based on the thin-film lithium niobate platform. It utilizes a periodic capacitively loaded travelling-wave electrode to achieve a large modulation bandwidth and low drive voltage, supporting driverless single-lane 100Gbaud operation. The folded modulation section design reduces the device length by almost two thirds. Experimental results show that the fabricated device has a large EO bandwidth of 45GHz and a half-wave voltage of 0.7V, enabling driverless transmission of a 100Gbaud signal with low power consumption and bit-error rate below the specified threshold.
Article
Optics
Amirhassan Shams-Ansari et al.
Summary: Thin-film lithium niobate has the potential for various scalable applications, but improving optical losses is crucial for high-performance classical and quantum devices.
Article
Optics
Bin Chen et al.
Summary: The study presents a high efficiency grating coupler on a thin film lithium niobate platform for efficient interface between a lithium niobate ridge waveguide and a standard single mode fiber. The use of a cavity-assisted grating structure and a top metal mirror enables excellent performance, with low coupling loss and back reflections achieved.
Article
Optics
Yu Xue et al.
Summary: In this study, we propose and demonstrate an electro-optic ring modulator on the thin-film lithium niobate platform. The device features a compact size, large bandwidth, low optical loss, and small power consumption without compromising any performances. It exhibits low on-chip loss, high intrinsic quality-factor, large electro-optic bandwidth, and low half-wave voltage. Driverless data transmission at high speed is also demonstrated.
Article
Engineering, Electrical & Electronic
Xingrui Huang et al.
Summary: In this letter, the first slow-light Mach-Zehnder modulator on a hybrid thin-film Lithium Niobate platform is experimentally demonstrated, utilizing Bragg grating waveguides as phase shifters to enhance modulation efficiency. The modulator achieves data transmission rates up to 60 Gbps and a compact footprint, with an on-chip insertion loss of 1.9 dB. This modulator offers a potential solution for high-intensity integration, low-power transmission, and optical biosensing.
IEEE PHOTONICS TECHNOLOGY LETTERS
(2021)
Article
Engineering, Electrical & Electronic
Xingrui Huang et al.
Summary: In this study, a Bragg grating modulator (BGM) on silicon-rich nitride and thin-film lithium niobate platform was designed, modeled, and characterized. The slow-light effect on the electro-optical modulation response was investigated and validated both theoretically and experimentally. The modulator demonstrated a 3-dB electro-optical bandwidth exceeding 40 GHz, with high-speed modulation up to 60 Gbps and 70 Gbps achieved, showcasing potential for high-speed data transmission applications.
IEEE PHOTONICS JOURNAL
(2021)
Article
Optics
Jinyao Hu et al.
Summary: Recently, a folded Mach-Zehnder interferometer based on x-cut thin-film lithium niobate has been developed to construct compact and high-performance electro-optical modulators. The new modulator structure can shorten the device length without affecting its performance, achieving a V pi L product of about 2.74 V·cm and a 3 dB electro-optical bandwidth of about 55 GHz.
Article
Optics
Mengyue Xu et al.
Summary: This study presents an integrated Fabry-Perot-type electro-optic thin film lithium niobate on insulator modulator with high modulation efficiency within a compact footprint, low optical loss, and a high tuning efficiency. The modulator also demonstrates high-speed modulation performance with data rates up to 56 Gbit/s using non-return-to-zero modulation.
CHINESE OPTICS LETTERS
(2021)
Article
Engineering, Electrical & Electronic
O. Jafari et al.
IEEE PHOTONICS TECHNOLOGY LETTERS
(2020)
Article
Optics
Marc Jankowski et al.
Review
Optics
Ali W. Elshaari et al.
Article
Multidisciplinary Sciences
Mingxiao Li et al.
NATURE COMMUNICATIONS
(2020)
Article
Optics
Yosuke Hinakura et al.
Article
Optics
Cheng Wang et al.
Article
Multidisciplinary Sciences
Cheng Wang et al.
Article
Engineering, Electrical & Electronic
Takuya Tamura et al.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2015)
Article
Optics
L. O'Faolain et al.
Article
Engineering, Electrical & Electronic
EL Wooten et al.
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
(2000)
