Article(id=1315741587435540673, tenantId=1146029695717560320, journalId=1315121910733963395, issueId=1315741514865689424, articleNumber=null, orderNo=null, doi=10.3788/gzxb20265503.0355114, pmid=null, cstr=32255.14.gzxb20265503.0355114, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1767542400000, receivedDateStr=2026-01-05, revisedDate=null, revisedDateStr=null, acceptedDate=1770652800000, acceptedDateStr=2026-02-10, onlineDate=1791626839740, onlineDateStr=2026-10-10, pubDate=1774368000000, pubDateStr=2026-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791626839740, onlineIssueDateStr=2026-10-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791626839740, creator=13701087609, updateTime=1791626839740, updator=13701087609, issue=Issue{id=1315741514865689424, tenantId=1146029695717560320, journalId=1315121910733963395, year='2026', volume='55', issue='3', pageStart='1', pageEnd='378', issueExtLink='null', onlineDate='null', pubDate='1774368000000', pubDateStr='2026-03-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791626822438, creator='13701087609', updateTime=1791626932547, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1315741977111540218, tenantId=1146029695717560320, journalId=1315121910733963395, issueId=1315741514865689424, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1315741977111540219, tenantId=1146029695717560320, journalId=1315121910733963395, issueId=1315741514865689424, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=204, endPage=216, ext={EN=ArticleExt(id=1315741587653644482, articleId=1315741587435540673, tenantId=1146029695717560320, journalId=1315121910733963395, language=EN, title=Low-power Consumption Reconfigurable-encoded 16×16 Polymer Waveguide Switch Array, columnId=1315741516451136338, journalTitle=Acta Photonica Sinica, columnName=Special Issue for Microwave Photonics, runingTitle=null, highlight=null, articleAbstract=
This work aims to design, fabricate, and characterize a low-power, reconfigurable 16×16 thermo-optic switch array on a polymer-based photonic platform, addressing the critical challenges of high consumption and thermal crosstalk associated with scaling large-scale photonic integrated circuits. The primary goal is to develop a reliable hardware platform that demonstrates the feasibility of utilizing the unique material properties of polymers, specifically a high thermo-optic coefficient and low thermal conductivity for efficient and dense on-chip dynamic optical path control. The overarching purpose is to provide a foundational device solution to enable future low-power, flexible, and intelligent photonic systems for applications such as data center optical interconnects, photonic neural networks, and secure optical communications. The central research questions involve validating the performance metrics of a scalable polymer waveguide switch architecture and establishing its advantages over traditional inorganic platforms.
The study employed a comprehensive methodology integrating theoretical design, numerical simulation, process fabrication, and systematic experimental characterization. The core architectural innovation was the design of a cascadable unit cell termed the Directional Coupler-Honeycomb (DC-HC) structure, which combines a DC for power switching and a honeycomb HC interferometer for phase modulation. Multi-segment S-bend waveguides interconnect these units to achieve the required 127 μm port pitch for fiber array compatibility. A low-loss waveguide structure was meticulously designed and simulated. The core layer utilized a fluorinated photosensitive polymer, FSU-8, chosen for its low optical absorption at the 1 550 nm communication wavelength. The cladding material was an Organic-Inorganic Grafting Polymethyl Methacrylate (OIG-PMMA), selected for its enhanced thermal stability, self-planarization capability, and precise refractive index tunability. The optimized cross-section featured a 3 μm × 3 μm core, a 2 μm coupling gap between adjacent DC waveguides, and a 3 μm separation between the aluminum thin-film heater and the waveguide core. Beam Propagation Method (BPM) simulations using R-soft software were extensively conducted to optimize the waveguide geometry, including the DC coupling length, bending losses, and fiber-to-chip coupling loss. Finite Element Method (FEM) thermal simulations in COMSOL Multiphysics were performed to analyze heat distribution and cross-talk, confirming effective thermal confinement within individual switch units. Fabrication leveraged standard, cost-effective, and Complementary Metal-Oxide-Semiconductor (CMOS)-backend-compatible processes. The waveguide layers were defined through spin-coating, Ultraviolet (UV) lithography, and etching. Aluminum electrodes with a serpentine geometry were patterned via wet etching and precisely aligned atop the modulation arm of each DC unit. The fabricated devices were characterized using optical microscopy and SEM to verify dimensional accuracy and morphology. A dual-system testing approach was implemented for performance evaluation. A static switching performance test system was constructed using a 1 550 nm continuous-wave laser source, a polarization controller, single-mode fibers for edge coupling, and an optical power meter. This system measured key static parameters: insertion loss and the required switching power consumption by applying a controlled DC voltage to the heaters. A separate dynamic pulse response system was built, incorporating an Arbitrary Waveform Generator (AWG), a Photodetector (PD), and an oscilloscope. This system measured the temporal response, specifically the rise and fall times, of the switches under square-wave modulation at frequencies of 500 Hz and 1 kHz.
The fabricated 16×16 polymer thermo-optic switch array exhibited compact dimensions of approximately 7.0 cm in length and 0.2 cm in width. Comprehensive testing at the 1 550 nm operational wavelength yielded a comprehensive set of performance data. The device achieved a minimum insertion loss of 11.4 dB. A detailed loss budget analysis attributed this to constituent factors: waveguide propagation loss, structural loss from cascaded bends, fiber-to-chip coupling loss, and additional scattering losses arising from fabrication imperfections such as sidewall roughness and imperfect cleavage planes. A core achievement was the demonstration of low-power operation. The minimum power required to toggle a single channel between its cross and bar states was measured to be 33.38 mW. This corresponds to applying a temperature change of approximately 21 K to the modulation arm, as predicted by thermal-optical simulations. The maximum extinction ratio achieved was 12.12 dB. While this value shows room for improvement compared to some inorganic platforms, it is attributed in part to a slight broadening of the fabricated waveguide width, which can support higher-order modes and introduce phase errors, as confirmed by supplementary simulations. Dynamic performance tests confirmed operation in the sub-millisecond regime. Under 500 Hz square-wave modulation, the measured rise time was 226.7 μs, and the fall time was 294.0 μs. When driven at a higher frequency of 1 kHz, the response times were 222.2 μs (rise) and 255.9 μs (fall), establishing this as the practical operational limit for the current device design. Simulation results for the full array predicted an average optical transmission of 71.87% and an adjacent channel crosstalk better than -31.94 dB for a signal routed from a single input to any output, indicating good routing fidelity. Crucially, thermal simulation results validated a key material advantage: the temperature field from an active heater decayed to ambient levels within 20~30 μm from its center. Given that adjacent switch electrodes are spaced approximately 172 μm apart, this confirms effective suppression of thermal crosstalk, a major bottleneck in densely packed inorganic switch arrays. A comparative analysis with state-of-the-art switches on platforms like silicon-on-insulator (SOI), Silica, and lithium niobate on insulator (LNOI) contextualizes the results. The polymer-based array demonstrates a compelling trade-off: its switching power is significantly lower than that of typical SOI or silica-based units, its unit-length propagation loss is advantageous, and its response speed is competitive with other polymer and hybrid systems. Most notably, it delivers this performance at a substantially larger port count, highlighting the scalability benefits of the polymer platform for large-scale photonic networks.
This research successfully validates the polymer material platform as a highly viable and competitive candidate for implementing scalable, low-power reconfigurable photonic integrated circuits. The developed DC-HC architecture and the associated fabrication methodology provide a concrete pathway toward constructing large-scale optical switching networks. The work conclusively demonstrates that the inherent material properties of polymers, specifically the high thermo-optic coefficient and low thermal conductivity, can be effectively harnessed to overcome key limitations of traditional platforms, namely high consumption and thermal crosstalk in dense arrays. The fabricated device, with its integrated combination of low switching energy, acceptable optical performance, microsecond-scale reconfigurability, and inherent programmability, establishes a significant hardware prototype. It serves as a critical enabling component for next-generation systems requiring dynamic optical path management. The findings are offering a practical device solution and a clear material and structural strategy for future work aimed at achieving even larger scale, lower loss, and higher-speed intelligent photonic processing systems.
, authors=Luanyu ZHOU
1, Anqi CUI
2, Xiangyu WANG
2, Changming CHEN
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在低损耗氟化聚合物平台上设计并制备了16×16热光开关阵列。阵列器件由定向耦合-蜂窝网状单元器件级联而成,可通过热光调制实现256种开关状态切换。实际制备的器件尺寸约为7 cm×0.2 cm,在1 550 nm波长下,最低插入损耗为11.4 dB, 最低开关功耗为33.38 mW,最大消光比为12.12 dB。在500 Hz调制频率下,实际测得器件的上升时间为226.7 μs,下降时间为294.0 μs;1 kHz极限调制频率下,上升时间和下降时间分别为222.2 μs和255.9 μs。研制的可重构低功耗16×16热光开关阵列,为光子集成与智能光调控提供了关键技术方案。该器件以其低功耗与可编程特性,有望推动数据中心光互连、光子神经网络及柔性可穿戴等系统的性能提升与架构革新,具备工程应用前景。
, authors=周鸾宇
1, 崔安琪
2, 王祥宇
2, 陈长鸣
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1国网黑龙江省电力有限公司尚志市供电分公司,哈尔滨 150600)]), AuthorCompany(id=1315741595186614490, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, xref=2, ext=[AuthorCompanyExt(id=1315741595199197403, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, companyId=1315741595186614490, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China), AuthorCompanyExt(id=1315741595207586012, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, companyId=1315741595186614490, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2吉林大学 电子科学与工程学院 集成光电子全国重点实验室,长春 130012)])], figs=[ArticleFig(id=1315741597086634236, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Fig.1, caption=
Schematic diagram of the device structure. (a) DC-HC unit structure; (b) DC structure principle; (c) HC structure principle, figureFileSmall=Ie/2KTP9w+kqrYH5BVOrRg==, figureFileBig=X+2KTYwjq1fTkg36PMsK9w==, tableContent=null), ArticleFig(id=1315741597183103229, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=图1, caption=
器件结构示意。(a) DC-HC单元结构;(b) DC结构;(c) HC结构, figureFileSmall=Ie/2KTP9w+kqrYH5BVOrRg==, figureFileBig=X+2KTYwjq1fTkg36PMsK9w==, tableContent=null), ArticleFig(id=1315741597451538687, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Fig.2, caption=
Structural design and waveguide loss analysis simulation of the device. (a) Schematic of the waveguide cross-section; (b) Optical field simulation of the waveguide cross-section; (c) Relationship of waveguide effective refractive index versus temperature variation; (d) Simulation of bending waveguide loss; (e) Simulation of waveguide-fiber coupling loss, figureFileSmall=vczn3ZvpkzyUQbZ0o25Yqw==, figureFileBig=EpbFa+lw4MQfPfJCX+I7RQ==, tableContent=null), ArticleFig(id=1315741597564784896, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=图2, caption=
器件的结构设计及波导损耗分析仿真。(a)波导的截面结构示意; (b)仿真计算的波导截面光场; (c)波导有效折射率随温度变化量关系曲线; (d)弯曲波导损耗分析; (e)波导-光纤耦合损耗分析, figureFileSmall=vczn3ZvpkzyUQbZ0o25Yqw==, figureFileBig=EpbFa+lw4MQfPfJCX+I7RQ==, tableContent=null), ArticleFig(id=1315741597690614017, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Fig.3, caption=
Structural dimension optimization of the DC switching unit. (a) DC switching unit structure; (b) DC coupling efficiency versus coupling gap Wg; (c) DC coupling efficiency versus coupling length; (d) DC coupling efficiency versus electrode temperature variation, figureFileSmall=EpfoejcTJgDek+aSw4PaxQ==, figureFileBig=HxR9+Uxxwy3Aeol+PFdl6w==, tableContent=null), ArticleFig(id=1315741599301226754, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=图3, caption=
DC开关单元结构示意及仿真。(a)DC开关单元结构;(b)DC耦合效率随耦合间距Wg的变化关系;(c)DC耦合效率随耦合长度的变化关系;(d)DC耦合效率随电极温度变化关系, figureFileSmall=EpfoejcTJgDek+aSw4PaxQ==, figureFileBig=HxR9+Uxxwy3Aeol+PFdl6w==, tableContent=null), ArticleFig(id=1315741599364141315, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Fig.4, caption=
Optical/thermal field simulations of the DC switching unit. (a) Cross-sectional thermal field simulation of the unit structure; (b) Optical field simulation in the cross state; (c) Optical field simulation in the bar state, figureFileSmall=yE1TIu1CmWJ9t7WhypLcmQ==, figureFileBig=W2wSfJXyABnwFXxRyoNniw==, tableContent=null), ArticleFig(id=1315741599435444484, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=图4, caption=
DC开关单元光/热场仿真。(a)单元结构截面热场仿真;(b)交叉态光场仿真;(c)直通态光场仿真, figureFileSmall=yE1TIu1CmWJ9t7WhypLcmQ==, figureFileBig=W2wSfJXyABnwFXxRyoNniw==, tableContent=null), ArticleFig(id=1315741599498359045, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Fig.5, caption=
Schematic and optimization simulations of the switch array device. (a) 3D schematic of the switch array device structure; (b) Simulation of the optical field output from channels 1 to 16 when channel 1 is input and modulated by electrodes, figureFileSmall=fQAn70Twn/M2csSWDHg+Nw==, figureFileBig=706jfzlinWGKi6dp3n+Qjg==, tableContent=null), ArticleFig(id=1315741599586439430, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=图5, caption=
开关阵列器件的结构示意和优化仿真。(a)开关阵列器件三维结构示意;(b)以1通道输入,经电极调制后1~16通道输出光场仿真示意, figureFileSmall=fQAn70Twn/M2csSWDHg+Nw==, figureFileBig=706jfzlinWGKi6dp3n+Qjg==, tableContent=null), ArticleFig(id=1315741599657742599, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Fig.6, caption=
Physical images and characterization of the electrode and waveguide morphology for the switch array device. (a) Physical photograph of the device; (b) Microscopic characterization of a locally magnified area of the device electrodes; (c) SEM characterization of the waveguide end-face structure, figureFileSmall=BIcGEpb+zwmOQAYHjfDi/w==, figureFileBig=QmvyyOcLmbwKDgYRMGg9GA==, tableContent=null), ArticleFig(id=1315741599737434376, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=图6, caption=
开关阵列器件的实拍图像及电极、波导形貌表征。(a)器件实拍图;(b)器件电极部分局部放大显微镜表征;(c)波导端面结构SEM表征, figureFileSmall=BIcGEpb+zwmOQAYHjfDi/w==, figureFileBig=QmvyyOcLmbwKDgYRMGg9GA==, tableContent=null), ArticleFig(id=1315741599791960329, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Fig.7, caption=
Schematic diagram of the device measurement setup. (a) Static switching performance test system; (b) Dynamic pulse response test system, figureFileSmall=iTXFn6FnezrNi4S7wTUzbg==, figureFileBig=CKGmUneKBm3l82id+pXuTA==, tableContent=null), ArticleFig(id=1315741599863263498, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=图7, caption=
器件测试系统示意。(a) 静态开关性能测试系统;(b)动态脉冲响应测试系统, figureFileSmall=iTXFn6FnezrNi4S7wTUzbg==, figureFileBig=CKGmUneKBm3l82id+pXuTA==, tableContent=null), ArticleFig(id=1315741599930372363, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Fig.8, caption=
Static switching performance test results for the device. (a) 1 input channel and 4 output channels; (b) 1 input channel and 8 output channels; (c) 1 input channel and 12 output channels; (d) 1 input channel and 16 output channels, figureFileSmall=1MrTFo309oguHLhC7LVQww==, figureFileBig=mBsjhomX8QGZf0SXKnllQg==, tableContent=null), ArticleFig(id=1315741600010064140, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=图8, caption=
器件静态开关性能测试结果。(a)1信道输入,4信道输出;(b)1信道输入,8信道输出;(c)1信道输入,12信道输出;(d)1信道输入,16信道输出, figureFileSmall=1MrTFo309oguHLhC7LVQww==, figureFileBig=mBsjhomX8QGZf0SXKnllQg==, tableContent=null), ArticleFig(id=1315741600064590093, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Fig.9, caption=
Schematic application scenario of the waveguide switch array device in dynamic information encryption for long-haul data centers, figureFileSmall=324Lx5e8AgR1EatqBq4iow==, figureFileBig=dVfdLP7yJjS8uPkE/CXKfA==, tableContent=null), ArticleFig(id=1315741600135893262, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=图9, caption=
波导开关阵列器件在远距离数据中心信息动态加密领域的应用场景示意, figureFileSmall=324Lx5e8AgR1EatqBq4iow==, figureFileBig=dVfdLP7yJjS8uPkE/CXKfA==, tableContent=null), ArticleFig(id=1315741600211390735, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Table 1, caption=
Simulation results of transmittance, cumulative loss, adjacent channel transmittance, and crosstalk between adjacent channels for outputs of channels 1-16 with 1 channel input
, figureFileSmall=null, figureFileBig=null, tableContent=
| Channel | T/% | CL/dB | ACT/% | ACC/dB |
|---|
| 1 | 69.12 | 1.60 | 0.05 | -31.41 |
| 2 | 71.08 | 1.48 | 0.04 | -32.50 |
| 3 | 69.12 | 1.60 | 0.05 | -31.41 |
| 4 | 71.57 | 1.85 | 0.04 | -32.53 |
| 5 | 69.12 | 1.60 | 0.05 | -31.41 |
| 6 | 72.55 | 1.86 | 0.04 | -32.59 |
| 7 | 69.61 | 1.84 | 0.05 | -31.41 |
| 8 | 75 | 1.25 | 0.04 | -32.73 |
| 9 | 70.59 | 1.85 | 0.05 | -31.50 |
| 10 | 75 | 1.25 | 0.04 | -32.73 |
| 11 | 71.57 | 1.85 | 0.04 | -32.53 |
| 12 | 74.02 | 1.31 | 0.05 | -31.70 |
| 13 | 72.06 | 1.42 | 0.05 | -31.59 |
| 14 | 74.51 | 1.28 | 0.05 | -31.73 |
| 15 | 72.44 | 1.86 | 0.05 | -31.61 |
| 16 | 72.55 | 1.39 | 0.05 | -31.62 |
| Average | 71.87 | 1.58 | 0.046 | -31.94 |
), ArticleFig(id=1315741600291082512, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=表1, caption=
1信道输入,1-16信道分别输出的透射率、累计损耗、相邻通道透射率和相邻通道间的串扰模拟结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| Channel | T/% | CL/dB | ACT/% | ACC/dB |
|---|
| 1 | 69.12 | 1.60 | 0.05 | -31.41 |
| 2 | 71.08 | 1.48 | 0.04 | -32.50 |
| 3 | 69.12 | 1.60 | 0.05 | -31.41 |
| 4 | 71.57 | 1.85 | 0.04 | -32.53 |
| 5 | 69.12 | 1.60 | 0.05 | -31.41 |
| 6 | 72.55 | 1.86 | 0.04 | -32.59 |
| 7 | 69.61 | 1.84 | 0.05 | -31.41 |
| 8 | 75 | 1.25 | 0.04 | -32.73 |
| 9 | 70.59 | 1.85 | 0.05 | -31.50 |
| 10 | 75 | 1.25 | 0.04 | -32.73 |
| 11 | 71.57 | 1.85 | 0.04 | -32.53 |
| 12 | 74.02 | 1.31 | 0.05 | -31.70 |
| 13 | 72.06 | 1.42 | 0.05 | -31.59 |
| 14 | 74.51 | 1.28 | 0.05 | -31.73 |
| 15 | 72.44 | 1.86 | 0.05 | -31.61 |
| 16 | 72.55 | 1.39 | 0.05 | -31.62 |
| Average | 71.87 | 1.58 | 0.046 | -31.94 |
), ArticleFig(id=1315741600374968593, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Table 2, caption=
Response time test results for 1-channel input and 16-channel output
, figureFileSmall=null, figureFileBig=null, tableContent=
| Working frequency/Hz | Rise time/μs | Fall time/μs |
|---|
| 500 | 226.7 | 294.3 |
| 1 000 | 222.2 | 222.2 |
), ArticleFig(id=1315741600442077458, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=表2, caption=
1信道输入,16通道输出响应时间测试结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| Working frequency/Hz | Rise time/μs | Fall time/μs |
|---|
| 500 | 226.7 | 294.3 |
| 1 000 | 222.2 | 222.2 |
), ArticleFig(id=1315741600513380627, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=EN, label=Table 3, caption=
Performance comparison of switch/switch array devices on different platforms
, figureFileSmall=null, figureFileBig=null, tableContent=
| Platform | Wavelength/nm | CC | PC/mW | PL/(dB·cm-1) | ER/dB | RS |
|---|
| SOI[23] | 1 550 | 1×1 | 292.6 | 45.4 | 59.08 | 5.7 μs |
| Silica-polymer[24] | 1 310 | 1×1 | 8.72 | 31.08 | 18.64 | 184 μs |
| Silica[25] | 1 520~1 620 | 1×24 | 160 | 3.2 | 10 | 1.02 ms |
| Silicon nitride[26] | 532 | 1×2 | Pπ = 0.63 | IL≈0.8 dB | 50 | 670 μs |
| LNOI[27] | 1 541.9 | 1×1 | Pπ = 301 | — | 16.9 | 7.5 μs |
| Polymer[28] | 1 550.8 | 12×12 | 30 | 3.33 | 15.2 | 280 μs |
| This work | 1 550 | 16×16 | 33.38 | 1.63 | 12.12 | 226.7 μs |
), ArticleFig(id=1315741600601461012, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315741587435540673, language=CN, label=表3, caption=
不同平台开关/开关阵列器件性能对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| Platform | Wavelength/nm | CC | PC/mW | PL/(dB·cm-1) | ER/dB | RS |
|---|
| SOI[23] | 1 550 | 1×1 | 292.6 | 45.4 | 59.08 | 5.7 μs |
| Silica-polymer[24] | 1 310 | 1×1 | 8.72 | 31.08 | 18.64 | 184 μs |
| Silica[25] | 1 520~1 620 | 1×24 | 160 | 3.2 | 10 | 1.02 ms |
| Silicon nitride[26] | 532 | 1×2 | Pπ = 0.63 | IL≈0.8 dB | 50 | 670 μs |
| LNOI[27] | 1 541.9 | 1×1 | Pπ = 301 | — | 16.9 | 7.5 μs |
| Polymer[28] | 1 550.8 | 12×12 | 30 | 3.33 | 15.2 | 280 μs |
| This work | 1 550 | 16×16 | 33.38 | 1.63 | 12.12 | 226.7 μs |
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