Photonic Crystal Optical Signal Splitter Based on Micro Resonator

Fig. 1. Structure Ⅰ and structure Ⅱ of photonic crystal optical signal splitter. (a) Structure Ⅰ with an air cavity; (b) structure Ⅱ with a dielectric rod cavity

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Fig. 2. Normalized reflection of the input port of optical signal splitter with different ratios of Q3/Q1

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Fig. 3. Normalized transmission of the output port P1 of optical signal splitter with different ratios of Q3/Q1

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Fig. 4. Normalized transmission of the output port P2 of optical signal splitter with different ratios of Q3/Q1

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Fig. 5. Total normalized transmission of the output ports of optical signal splitter with different ratios of Q3/Q1

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Fig. 6. Normalized cavity loss of optical signal splitter with different ratios of Q3/Q1

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Fig. 7. Normalized transmission spectra of the photonic crystal optical signal splitter structure Ⅰ and structure Ⅱ. (a) Normalized transmission spectra of the two outputs P1 and P2 for different rod radii of micro resonator in the structure Ⅰ; (b) normalized transmission spectra of the two outputs P1 and P2 for different rod radii of micro resonator in the structure Ⅱ

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Fig. 8. Normalized transmission spectra of the photonic crystal optical signal splitter structure Ⅰ and structure Ⅱ. (a) Normalized transmission spectra of the two outputs P1 and P2 for different dielectric constants of the whole rods in the structure Ⅰ; (b)normalized transmission spectra of the two outputs P1 and P2 for different dielectric constants of the whole rods in the structure Ⅱ

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Table 1. Significant optical parameters of the two outputs P1 and P2 for different rod radii of micro resonators in the structure Ⅰ and structure Ⅱ

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Table 1. Significant optical parameters of the two outputs P1 and P2 for different rod radii of micro resonators in the structure Ⅰ and structure Ⅱ

Structure Ⅰ					Structure Ⅱ
Line No.	r_i /nm	λ /nm	Δλ /nm	T /%	Line No.	r_i /nm	λ /nm	Δλ /nm	T /%
1	0.140a	1310.0	5.0	94.3	1	0.140a	1459.7	6.5	95.1
2	0.145a	1315.1	4.7	93.7	2	0.145a	1467.6	6.5	97.7
3	0.150a	1327.8	4.2	90.0	3	0.150a	1485.5	6.0	97.7
4	0.155a	1339.1	4.0	86.8	4	0.155a	1500.7	5.0	91.1
5	0.160a	1347.6	4.0	83.0	5	0.160a	1511.4	3.7	88.1
6	0.165a	1355.6	4.0	81.2	6	0.165a	1521.0	3.6	88.7
7	0.170a	1363.1	4.0	86.5	7	0.170a	1529.3	3.2	91.6
8	0.175a	1364.8	4.1	81.5	8	0.175a	1531.2	3.1	92.6
9	0.180a	1377.2	4.2	84.6	9	0.180a	1544.0	2.8	97.5
10	0.182a	1384.2	4.2	86.2	10	0.182a	1550.9	2.8	98.1
11	0.190a	1391.1	4.3	86.9	11	0.190a	1557.3	2.7	96.8
12	0.195a	1398.0	4.2	87.1	12	0.195a	1563.5	2.6	95.3
13	0.200a	1406.5	4.2	86.2	13	0.200a	1570.6	2.5	92.5
14	0.205a	1422.1	4.1	84.8	14	0.205a	1582.6	2.4	82.2
15	0.210a	1429.4	4.2	85.3

Table 2. Significant optical parameters of the two outputs P1 and P2 for different dielectric constants of the whole rods in the structureⅠand structureⅡ

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Table 2. Significant optical parameters of the two outputs P1 and P2 for different dielectric constants of the whole rods in the structureⅠand structureⅡ

StructureⅠ					StructureⅡ
Line No.	ε_r	λ /nm	Δλ /nm	T /%	Line No.	ε_r	λ /nm	Δλ /nm	T /%
1	9.0	1342.1	7.4	86.7	1	9.0	1450.9	5.7	84.9
2	9.3	1349.5	7.0	88.1	2	9.3	1464.0	5.1	83.3
3	9.6	1356.5	6.5	88.1	3	9.6	1476.6	4.5	83.6
4	9.9	1363.3	6.2	87.8	4	9.9	1488.9	4.0	85.7
5	10.2	1369.9	5.8	87.7	5	10.2	1501.1	3.6	89.5
6	10.5	1376.6	5.5	87.9	6	10.5	1513.2	3.3	93.5
7	10.8	1382.8	5.1	88.5	7	10.8	1524.8	3.2	97.0
8	11.1	1388.8	4.9	88.6	8	11.1	1536.3	3.1	96.6
9	11.4	1394.9	4.6	88.4	9	11.4	1548.0	2.9	96.8
10	11.7	1400.8	4.4	87.4	10	11.7	1559.2	2.8	94.0
11	12.0	1406.5	4.2	86.2	11	12.0	1570.6	2.5	92.5
12	12.3	1412.1	4.0	85.7	12	12.3	1581.7	2.3	87.2
13	12.6	1417.8	3.8	84.8	13	12.6	1592.4	2.2	81.9
14	12.9	1423.1	3.7	84.1	14	12.9	1603.2	2.1	76.1
15	13.2	1428.6	3.5	84.3	15	13.2	1613.8	2.0	69.2
16	13.5	1433.9	3.4	84.0	16	13.5	1624.5	2.0	65.3
17	13.8	1439.0	3.3	83.1	17	13.8	1635.0	2.0	61.4
18	14.1	1444.4	3.2	83.3	18	14.1	1645.2	2.1	59.3
19	14.4	1449.5	3.1	82.9	19	14.4	1655.6	2.1	59.6