臻仕股份有限公司
Zennexus Corp Ltd

臻仕股份有限公司 Zennexus Corp Ltd臻仕股份有限公司 Zennexus Corp Ltd臻仕股份有限公司 Zennexus Corp Ltd

臻仕股份有限公司
Zennexus Corp Ltd

臻仕股份有限公司 Zennexus Corp Ltd臻仕股份有限公司 Zennexus Corp Ltd臻仕股份有限公司 Zennexus Corp Ltd

Photonic Interconnect & testing solution

Photonic Interconnect & testing solutionPhotonic Interconnect & testing solutionPhotonic Interconnect & testing solution

  • TPA-PD Array Sensor 
  • Self-Written Waveguide 
  • AI Alignment Software 
  • Wafer-Level Test Platform

Photonic Interconnect & testing solution

Photonic Interconnect & testing solutionPhotonic Interconnect & testing solutionPhotonic Interconnect & testing solution

  • TPA-PD Array Sensor 
  • Self-Written Waveguide 
  • AI Alignment Software 
  • Wafer-Level Test Platform

Two-Photon Absorption PD array testability 測試項目:

 1. Waveguide dispersion :  

•Major defeat: group velocity dispersion (GVD) , higher-order dispersion

  •pulse 展寬

  •chirp 增加

  •timing drift

2. Ring Resonator 製程偏差

•Major defeat : resonance drift/  wavelength 偏移

  •thermal drift

  •Q factor degradation

 3. SiPh nonlinear defeat : TPA光電流與光功率平方成正比 這使得 TPA-PD 對功率變化極其敏感,對於晶片之非線性缺陷有更顯著的偵測能力:

  •peak power

  •pulse compression

  •nonlinear distortion



雙光子吸收測試模組關鍵優勢: 多通道平行測試,實現量產可能。最短光路徑可降低光損。減少設備投資,降低量產測試總成本。 高光學測試覆蓋率 剖析結構缺陷。

雙光子吸收(Two-Photon Absorption, TPA)測試模組內建可調諧濾波器,能直接重建出待測脈衝的時頻譜圖(Spectrogram)得到以下資訊以準確得知DUT的實際缺陷:

•     時頻分析(time-frequency)

•     pulse chirp analysis

•     nonlinear distortion observation

•     transient waveform evolution 

傳統矽光子測試多數僅測波導損耗:將雷射光源打入晶片的波導,利用外接儀器量測輸出功率,計算出單位長度的傳輸損耗 : insert-loss, opticpower distort...

Conventional Silicon Photonics Testing

Traditional silicon photonics (SiPh) testing primarily focuses on waveguide transmission loss characterization. A laser source is coupled into the on-chip waveguide, and the output optical power is measured using external test instruments to calculate key optical parameters such as insertion loss (IL), waveguide propagation loss, and optical power distortion.

However, this conventional approach suffers from several significant limitations:

  • Time-consuming and labor-intensive, especially for multi-channel devices. 
  • Requires expensive external optical test equipment, including tunable lasers, optical switches, power meters, and precision alignment systems. 
  • Susceptible to alignment drift, instrument calibration errors, and operator-dependent variations, reducing measurement repeatability. 
  • Provides limited test coverage, as it primarily evaluates insertion loss and output power while offering little insight into waveform integrity, spectral characteristics, transient behavior, or nonlinear optical defects within the silicon photonic device.


解決光學主動對位問題

挑戰與困難: 2D多通道FAU

•2D 多通道FAU矩陣結構受到六個自由度的嚴重空間牽制 : 當微調某一光纖而移動平台時,另一列的光纖位置就會完全跑掉而無法面面俱到。

•多通道切換(Optical Switch)的時間消耗: 光纖切換器在切換光路時有幾十毫秒的機械/光電延遲。尋光演算法多需要數千次運算,累加起來會讓整體對位時間拉長至數分鐘。

 Challenges of Conventional 2D Multi-Channel Active Alignment

Six-DOF Mechanical Coupling

  • Six-degree-of-freedom positioning constraints 
  • Adjusting one fiber disturbs neighboring channels 
  • Difficult to optimize all channels simultaneously 
  • Alignment complexity increases with channel count 

Optical Switch Bottleneck

  • Sequential single-channel measurement 
  • Tens of milliseconds switching latency per channel 
  • Thousands of search iterations required 
  • Overall alignment time extends to several minutes 
  • Poor scalability for high-volume SiPh manufacturing

  

•利用雙光子吸收光電二極體陣列(Two-Photon Absorption Photodiode Array, TPA-PD Array)作為多通道平行光學感測器,TPA-PD陣列可同時接收來自多個光通道之光學訊號,並產生多通道即時光學回授資訊。包括:

(1) 光耦合效率

(2) 通道均勻性

(3) 光功率損失

利用此多通道光學回授訊號進行”尋光演算法”,進而對高精密多軸馬達在多個自由度(通常是 6 軸,包含 X, Y, Z軸的位移與旋轉)進行極微幅的擺動與步進尋求最佳對準位置。

SiPh 最大瓶頸不是設計,而是 manufacturing & testing

一個矽光子元件可能包含多條光學通道(optical lanes),而每一條通道都需要在光纖與波導之間進行極高精度的對準。即使只有微米等級的偏移,也可能大幅影響耦合效率與最終性能。

 矽光子元件製造最大的成本來源:Alignment 時間 。探索我們的網站,了解更多關於我們的創新與技術如何改善這個問題!

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業界首創突破多芯光纖陣列應用於矽光子晶片測試之偏差位移問題

 

  • Fabricate microlens and prism optical lens sets using two-photon polymerization (2PP) 3D micro-printing technology, customized to silicon photonics chip coupling specifications.
    (以雙光子聚合3D微列印技術,依照矽光子晶片耦合規格,製作微透鏡和棱鏡光學鏡片組)
  • Bond and assemble the 2PP 3D lens sets with the fiber array unit (FAU).
    (將雙光子聚合3D鏡片組與FAU接合組裝)
  • Establish optical channels using self-written waveguide (SWW) technology to connect the FAU and the 3D lens sets (or silicon photonics chips and receptacles), achieving high-performance and high-yield optical connectivity.
    (以自寫光波導技術建立光通道以連接FAU與 3D鏡片組(或矽光子晶片與receptacles) ,實現高效能和高良率的光連接)

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有效解決2D多芯光纖陣列於矽光子晶片耦合之偏差位移問題

 

  • Realize pluggable expanded-beam optical components that align with the underlying structure via photolithography; these components expand and guide the beam path, precisely compensating for all accumulated manufacturing tolerances.
    (實現可插拔式擴束光學元件,透過光刻技術與底層結構對準,光學元件擴束並引導光束光路,可精確補償所有累積的製造誤差。)
  • Applicable to any two-dimensional fiber array unit (2D FAU).
    (適用於任何二維光纖陣列FAU)

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想了解二維光纖陣列FAU如何解決矽光子測試與封裝問題,隨時與我們聯繫,臻仕股份有限公司 Zennexus Corp Ltd隨時為您服務。

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Taiwan as the global hub for semiconductor mass manufacturing connecting Europe, China, Japan, and the USA.

 我們致力於成為全球創新技術與台灣先進製造產業之間的橋樑,積極導入來自歐洲、美國、日本等科技領先國家的尖端技術、產品與解決方案。透過深入參與台灣半導體、先進封裝、矽光子、AI運算及高科技製造產業鏈,我們持續發掘製造現場所面臨的技術瓶頸與未被滿足的需求。

我們的核心競爭力不僅在於技術轉移,更在於結合台灣量產經驗與全球創新技術,進行技術優化、整合與創新,將前瞻技術轉化為可實際落地的量產解決方案,協助客戶突破製造限制、提升競爭優勢,並創造新的產業價值。 

We actively identify and introduce the most advanced technologies, products, and innovative solutions from Europe, the United States, Japan, and other leading technology regions into Taiwan. At the same time, through our close engagement with Taiwan’s semiconductor manufacturers, packaging houses, research institutes, and supply chain partners, we continuously investigate the practical challenges, limitations, and bottlenecks encountered at the manufacturing floor. 

Not only in technology transfer, but also in technology adaptation and innovation can be successfully implemented in production environments.

我們不僅是技術的橋樑,更是技術落地的推動者,透過技術適配、整合與創新,確保全球最先進的技術能夠成功轉化為台灣製造業可實際部署的量產解決方案。 

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臻仕股份有限公司 Zennexus Corp Ltd

台灣新竹縣湖口鄉勝利村蘭州四街25號

Tel: +886.958827277 Email: vincent@zennexus.com.tw

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