Simultaneous evaluation of two branches of a multifunctional integrated optic chip with an ultra-simple dual-channel configuration

Yonggui Yuan; Chuang Li; Jun Yang; Ai Zhou; Shuai Liang; Zhangjun Yu; Bing Wu; Feng Peng; Yu Zhang; Zhihai Liu; Libo Yuan

doi:doi:10.1364/PRJ.3.000115

Photonics Research, 2015, 3 (4): 04000115, Published Online: Jan. 6, 2016

Simultaneous evaluation of two branches of a multifunctional integrated optic chip with an ultra-simple dual-channel configuration Download： 827次

Yonggui Yuan ¹Chuang Li ¹Jun Yang ^1,*Ai Zhou ²Shuai Liang ¹Zhangjun Yu ¹Bing Wu ¹Feng Peng ¹Yu Zhang ¹Zhihai Liu ¹Libo Yuan ¹

Author Affiliations

¹ Key Laboratory of In-fiber Integrated Optics of Ministry Education of China, Harbin Engineering University,Harbin 150001, China

² National Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology,Wuhan 430074, China

Figures & Tables

Fig. 1. Schematic diagram of the ultra-simple dual-channel configuration for simultaneously evaluating the MFIOC. GRIN, graded index.

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Fig. 2. Measured interference pattern of the MFIOC by using the dual-channel evaluating system. The left-side pattern expresses the cross-couplings of path 1, and the right-side pattern denotes the cross-couplings of path 2.

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Fig. 3. Cross talk distribution of 20 measurements at room temperature.

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Fig. 4. Temperature responses of the two branches of the MFIOC.

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Table1. Length and Estimated OPD of the MFIOC

MFIOC	Length (m)	Approximate Birefringence	Estimated OPD (mm)
$l_{A a}$	19.0	$5 \times 10^{- 4}$	9.50
$l_{a B}$	1.22	$5 \times 10^{- 4}$	0.61
$l_{B E} / l_{B D}$	0.02	$8 \times 10^{- 2}$	1.60
$l_{E e}$	1.20	$5 \times 10^{- 4}$	0.60
$l_{D d}$	1.59	$5 \times 10^{- 4}$	0.80
$l_{e G}$	4.7	$5 \times 10^{- 4}$	2.35
$l_{d F}$	3.6	$5 \times 10^{- 4}$	1.80

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Table2. Measurement Results of the MFIOC

Peak	Position (mm)	Cross Talk (dB)	Corresponding Waveguide OPD
I ( $ρ_{d}$ )	1.962	−37.2	$l_{d F}$
$I^{'}$ ( $ρ_{e}$ )	−2.924	−43.1	$l_{e G}$
II ( $ρ_{D}$ )	2.928	−38.8	$l_{D F}$
${II}^{'}$ ( $ρ_{E}$ )	−3.646	−44.1	$l_{E G}$
III ( $ρ_{a}$ )	9.362	−32.4	$l_{A a}$
${III}^{'}$ ( $ρ_{a}$ )	−9.354	−32.5	$l_{A a}$
IV ( $ρ_{B}$ )	10.070	−47.5	$l_{A B}$
${IV}^{'}$ ( $ρ_{B}$ )	−10.065	−47.5	$l_{A B}$
V( $ε_{2}$ )	11.383	−55.7	$l_{A B} - l_{B D} + l_{D F}$
$V^{'}$ ( $ε_{1}$ )	−12.098	−53.6	$l_{A B} - l_{B E} + l_{E G}$

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Yonggui Yuan, Chuang Li, Jun Yang, Ai Zhou, Shuai Liang, Zhangjun Yu, Bing Wu, Feng Peng, Yu Zhang, Zhihai Liu, Libo Yuan. Simultaneous evaluation of two branches of a multifunctional integrated optic chip with an ultra-simple dual-channel configuration[J]. Photonics Research, 2015, 3(4): 04000115.

Simultaneous evaluation of two branches of a multifunctional integrated optic chip with an ultra-simple dual-channel configuration Download： 827次

Fig. 1. Schematic diagram of the ultra-simple dual-channel configuration for simultaneously evaluating the MFIOC. GRIN, graded index.

Fig. 2. Measured interference pattern of the MFIOC by using the dual-channel evaluating system. The left-side pattern expresses the cross-couplings of path 1, and the right-side pattern denotes the cross-couplings of path 2.

Fig. 3. Cross talk distribution of 20 measurements at room temperature.

Fig. 4. Temperature responses of the two branches of the MFIOC.

Table1. Length and Estimated OPD of the MFIOC

Table2. Measurement Results of the MFIOC

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Simultaneous evaluation of two branches of a multifunctional integrated optic chip with an ultra-simple dual-channel configuration Download： 827次

Fig. 1. Schematic diagram of the ultra-simple dual-channel configuration for simultaneously evaluating the MFIOC. GRIN, graded index.

Fig. 2. Measured interference pattern of the MFIOC by using the dual-channel evaluating system. The left-side pattern expresses the cross-couplings of path 1, and the right-side pattern denotes the cross-couplings of path 2.

Fig. 3. Cross talk distribution of 20 measurements at room temperature.

Fig. 4. Temperature responses of the two branches of the MFIOC.

Table1. Length and Estimated OPD of the MFIOC

Table2. Measurement Results of the MFIOC

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