Measurement error analysis for polarization extinction ratio of multifunctional integrated optic chips

Zhang Haoliang; Yang Jun; Li Chuang; Yu Zhangjun; Yang Zhe; Yuan Yonggui; Peng Feng; Li Hanyang; Hou Changbo; Zhang Jianzhong; Yuan Libo; Xu Jianming; Zhang Chao; Yu Quanfu

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Measurement error analysis for polarization extinction ratio of multifunctional integrated optic chips

机译：多功能集成视镜芯片偏振消光比的测量误差分析

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Measurement error for the polarization extinction ratio (PER) of a multifunctional integrated optic chip (MFIOC) utilizing white light interferometry was analyzed. Three influence factors derived from the all-fiber device (or optical circuit) under test were demonstrated to be the main error sources, including: 1) the axis-alignment angle (AA) of the connection point between the extended polarization-maintaining fiber (PMF) and the chip PMF pigtail; 2) the oriented angle (OA) of the linear polarizer; and 3) the birefringence dispersion of PMF and the MFIOC chip. Theoretical calculations and experimental results indicated that by controlling the AA range within 0 degrees +/- 5 degrees, the OA range within 45 degrees +/- 2 degrees and combining with dispersion compensation process, the maximal PER measurement error can be limited to under 1.4 dB, with the 3 sigma uncertainty of 0.3 dB. The variations of birefringence dispersion effect versus PMF length were also discussed to further confirm the validity of dispersion compensation. A MFIOC with the PER of similar to 50 dB was experimentally tested, and the total measurement error was calculated to be similar to 0.7 dB, which proved the effectiveness of the proposed error reduction methods. We believe that these methods are able to facilitate high-accuracy PER measurement. (C) 2017 Optical Society of America

机译：分析了利用白光干涉测量法的多功能集成光芯片（MFIOC）的偏振消光比（PER）的测量误差。源自测试的全光纤装置（或光学电路）的三个影响因素被证明是主要误差源，包括：1）伸展偏振 - 保持光纤之间的连接点的轴对准角（AA）（ PMF）和芯片PMF辫子; 2）线性偏振器的取向角（OA）; 3）PMF和MFIOC芯片的双折射分散。理论计算和实验结果表明，通过在0度+/- 5度的范围内控制AA范围，OA范围在45度+/- 2度内并与色散补偿过程组合，每个测量误差的最大值可以限制在1.4以下DB，3 Sigma不确定性为0.3 dB。还讨论了双折射色散效应与PMF长度的变化，以进一步证实分散补偿的有效性。实验测试了与50dB相似的MFIOC，并计算总测量误差与0.7dB类似，证明了所提出的错误减少方法的有效性。我们认为这些方法能够促进每个测量的高精度。（c）2017年光学学会

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来源
《Applied optics》 |2017年第24期|共8页
作者
Zhang Haoliang; Yang Jun; Li Chuang; Yu Zhangjun; Yang Zhe; Yuan Yonggui; Peng Feng; Li Hanyang; Hou Changbo; Zhang Jianzhong; Yuan Libo; Xu Jianming; Zhang Chao; Yu Quanfu;
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Harbin Engn Univ Coll Sci Harbin 150001 Heilongjiang Peoples R China;

Harbin Engn Univ Coll Sci Harbin 150001 Heilongjiang Peoples R China;

Harbin Engn Univ Coll Sci Harbin 150001 Heilongjiang Peoples R China;

Harbin Engn Univ Coll Sci Harbin 150001 Heilongjiang Peoples R China;

Harbin Engn Univ Coll Sci Harbin 150001 Heilongjiang Peoples R China;

Harbin Engn Univ Key Lab In Fiber Integrated Opt Minist Educ China Harbin 150001 Heilongjiang Peoples R China;

Harbin Engn Univ Coll Sci Harbin 150001 Heilongjiang Peoples R China;

Harbin Engn Univ Coll Sci Harbin 150001 Heilongjiang Peoples R China;

Harbin Engn Univ Key Lab In Fiber Integrated Opt Minist Educ China Harbin 150001 Heilongjiang Peoples R China;

Harbin Engn Univ Coll Sci Harbin 150001 Heilongjiang Peoples R China;

Harbin Engn Univ Coll Sci Harbin 150001 Heilongjiang Peoples R China;

North Nav Technol Grp Co LTD Beijing 100089 Peoples R China;

North Nav Technol Grp Co LTD Beijing 100089 Peoples R China;

North Nav Technol Grp Co LTD Beijing 100089 Peoples R China;

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Measurement error analysis for polarization extinction ratio of multifunctional integrated optic chips

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