Low Power Consumption Polymer/Silica Hybrid Thermo-Optic Switch Based on Racetrack Resonator

Yin, Yuexin; Li, Yue; Yao, Mengke; Lv, Xinyu; Liang, Jiaqi; Wu, Yingliang; Zhang, Daming

doi:10.1109/jphot.2022.3179496

Cited by 5 publications

(4 citation statements)

References 55 publications

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“…The number of transmitted modes in a waveguide is positively related to the size of the waveguide. Based on our previous experimental results [ 33 , 34 ], a core layer geometry of 3 × 3 μm 2 is suitable for fundamental mode propagation. To minimize coupling losses with subsequently connected mode (de)multiplexer devices while realizing the multimode conditions, we set the waveguide width W = 6 μm and height H = 6 μm.…”

Section: Principle and Designmentioning

confidence: 99%

“…Polymer-based planar light-wave circuits (PLCs) offer a simple, low-cost, and flexible fabrication process [ 30 , 31 , 32 ] compared to silica and silicon. Additionally, the polymer/silica hybrid waveguide offers a platform combining the advantages of both materials to achieve stable and low-power-consumption optical devices [ 33 , 34 ]. Filling a polymer into a silica trench to form waveguides is an efficient method to reduce the loss introduced by sidewall roughness and rounded corner effects due to annealing [ 35 , 36 , 37 ].…”

Section: Introductionmentioning

confidence: 99%

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PLC-Based Polymer/Silica Hybrid Inverted Ridge LP11 Mode Rotator

Liang,

Zhang,

et al. 2024

Micromachines

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The mode rotator is an important component in a PLC-based mode-division multiplexing (MDM) system, which is used to implement high-order modes with vertical intensity peaks, such as LP11b mode conversions from LP11a in PLC chips. In this paper, an LP11 mode rotator based on a polymer/silica hybrid inverted ridge waveguide is demonstrated. The proposed mode rotator is composed of an asymmetrical waveguide with a trench. According to the simulation results, the broadband conversion efficiency between the LP11a and LP11b modes is greater than 98.5%, covering the C-band after optimization. The highest mode conversion efficiency (MCE) is 99.2% at 1550 nm. The large fabrication tolerance of the proposed rotator enables its wide application in on-chip MDM systems.

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Section: Principle and Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

PLC-Based Polymer/Silica Hybrid Inverted Ridge LP11 Mode Rotator

Liang,

Zhang,

et al. 2024

Micromachines

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show abstract

“…Whereas inorganic materials have a large thermal conductivity, polymers have a large thermo-optic coefficient. Consequently, organic/inorganic hybrid integrated devices can combine the advantages of both materials and produce thermo-optic switches with a low power consumption and fast response [ 30 , 31 , 32 , 33 , 34 ]. The thermo-optic switch cross-section of the hybrid integrated structure is shown in Figure 2 b. Yunfei Yan et al reported a thermo-optic switch that employed polymer as the core layer and upper cladding layer and silica as the lower cladding layer [ 35 ].…”

Section: Thermo-optic Devicesmentioning

confidence: 99%

“…sponse [30][31][32][33][34]. The thermo-optic switch cross-section of the hybrid integrated stru is shown in Figure 2b.…”

Section: Thermo-optic Switches and Thermo-optic Variable Optical Atte...mentioning

confidence: 99%

Polymer and Hybrid Optical Devices Manipulated by the Thermo-Optic Effect

Xie,

Chen,

et al. 2023

Polymers

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The thermo-optic effect is a crucial driving mechanism for optical devices. The application of the thermo-optic effect in integrated photonics has received extensive investigation, with continuous progress in the performance and fabrication processes of thermo-optic devices. Due to the high thermo-optic coefficient, polymers have become an excellent candidate for the preparation of high-performance thermo-optic devices. Firstly, this review briefly introduces the principle of the thermo-optic effect and the materials commonly used. In the third section, a brief introduction to the waveguide structure of thermo-optic devices is provided. In addition, three kinds of thermo-optic devices based on polymers, including an optical switch, a variable optical attenuator, and a temperature sensor, are reviewed. In the fourth section, the typical fabrication processes for waveguide devices based on polymers are introduced. Finally, thermo-optic devices play important roles in various applications. Nevertheless, the large-scale integrated applications of polymer-based thermo-optic devices are still worth investigating. Therefore, we propose a future direction for the development of polymers.

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Manufacturing 2 × 2 channel multi-mode interference-Mach-Zehnder interferometer polymer thermal-optical switch based on femtosecond laser

Tao,

Wu,

Wang

et al. 2024

Opt. Eng.

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We designed and fabricated a 2 × 2 channel multi-mode interference-Mach-Zehnder interferometer polymer thermo-optic switch. The thermo-optic switch comprises a borosilicate glass substrate, a core layer of JA-206, and an upper cladding layer of RZJ-390. The performance of this thermo-optic switch was simulated using the finite-difference beam propagation method and finite element method, and the results show that the switch is characterized by low power consumption and higher extinction ratio (ER). Furthermore, this study utilized a femtosecond laser to investigate the optimal preparation parameters. The results indicated that setting the laser power at 1 mW and the scanning speed at 4 mm/s ensures an efficient manufacturing process. With the operating wavelength of 1550 nm, the tests show that the driving power of the thermo-optic switch is about 5.5 mW, and the ER reaches 23.37 dB. In addition, after a continuous test lasting 12 h, the rise and fall times of the switch were measured to be <1.7 ms. Therefore, it meets the optical interconnection requirements of electro-optical printed circuit boards.

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Low Power Consumption Polymer/Silica Hybrid Thermo-Optic Switch Based on Racetrack Resonator

Cited by 5 publications

References 55 publications

PLC-Based Polymer/Silica Hybrid Inverted Ridge LP11 Mode Rotator

PLC-Based Polymer/Silica Hybrid Inverted Ridge LP11 Mode Rotator

Polymer and Hybrid Optical Devices Manipulated by the Thermo-Optic Effect

Manufacturing 2 × 2 channel multi-mode interference-Mach-Zehnder interferometer polymer thermal-optical switch based on femtosecond laser

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