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2X4 光學(xué)混頻器 QPSK Mixer
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QPSK混頻器是日益流行的多偏振態(tài)QPSK調(diào)制系統(tǒng)中的關(guān)鍵器件。它不僅是100-Gb/s光傳輸系統(tǒng)中的領(lǐng)先競爭產(chǎn)品,而且也是40Gb/s光傳輸系統(tǒng)的強(qiáng)力競爭者,因?yàn)樗芾?0Gb/s傳輸系統(tǒng)中的光調(diào)制器以及主要電子設(shè)備。
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- 產(chǎn)品描述
- 產(chǎn)品特點(diǎn)
- 產(chǎn)品應(yīng)用
- 產(chǎn)品規(guī)格
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Optoplex的2x4 多偏振態(tài)光學(xué)混頻器(又名QPSK混頻器)是一個(gè)混合輸入信號(hào)與本地振蕩器的2x4光學(xué)器件。此器件的四束輸出光被連接到四個(gè)孤立探測器(見下面的功能框圖)。該器件利用的單片微光學(xué)核心結(jié)合了偏振分束器和干涉器,后者已被廣泛應(yīng)用于Optoplex的光學(xué)梳妝分波器和光差分相移鍵控解調(diào)器兩個(gè)產(chǎn)品平臺(tái)。此器件屬于非熱敏設(shè)計(jì),和傳輸通道頻率或速率無關(guān),體積小,合適于大規(guī)模生產(chǎn)。該技術(shù)平臺(tái)也可以應(yīng)用到和四對平衡探測器相配合的2x8多偏振態(tài)光學(xué)混頻器。QPSK混頻器是日益流行的多偏振態(tài)QPSK調(diào)制系統(tǒng)中的關(guān)鍵器件。它不僅是100-Gb/s光傳輸系統(tǒng)中的領(lǐng)先競爭產(chǎn)品,而且也是40Gb/s光傳輸系統(tǒng)的強(qiáng)力競爭者,因?yàn)樗芾?0Gb/s傳輸系統(tǒng)中的光調(diào)制器以及主要電子設(shè)備。90°光學(xué)混頻器,請?jiān)L問90°光學(xué)混頻器。
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2X4 QPSK混頻器的特點(diǎn)和優(yōu)點(diǎn)● 純被動(dòng)式(無需外部電源)● 體積小● 基于自由空間微光學(xué)設(shè)計(jì)
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2X4 QPSK混頻器的應(yīng)用● 適用于下一代光傳輸系統(tǒng)● 光學(xué)相干傳輸檢測的關(guān)鍵組件(已被廣泛用于許多其他通訊方法的傳輸和檢測,如廣播和無線通訊)
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Parameter
Unit
Specification
Wavelength Range (C-Band) nm 1527 ~ 1567 Phase Difference1 (between Ik and Qk), k=x or y degree 90±10 Insertion Loss1(not including connector) S (polarization scrambled) to All Outputs dB 9.5 ~ 11.5 L (45° linear polarized) to All Outputs dB 9.5 ~ 11.5 Insertion Loss Uniformity1 Among S to All Outputs; Among L to All Outputs dB <0.7 Among All Others dB <1.0 Optical Return Loss dB >27 Optical Path Difference1 (Skew, among Sà All Outputs) ps <1 Optical Path Difference1 (Skew, among Là All Outputs) ps <1 Polarization extinction ratio1 (for either S or L) dB >18 Max. Input Optical Power mW 300 Operating Temperature Range °C 0 ~ 65 Storage Temperature Range °C -40 ~ 85 Size (L x W x H)2 mm 48 x 31 x 10 Fiber Type (for S, Ix, Iy, Qx, Qy) - SMF-28 with 900 mm tight buffer Fiber Type (for L) - PM with 900 mm loose tube Fiber Pigtail Length m TBD Connector Type - TBD
Notes:- Over the stated spectral and operating temperature ranges and all polarization states.
- Not including six collimator sleeves extending from one longer side by ~18 mm.
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