Foundry-Processed Compact and Broadband Adiabatic Optical Power Splitters with Strong Fabrication Tolerance
Abstract
:1. Introduction
2. The 1 × 2 Y-Junction Optical Power Splitters
2.1. Design Methodology for 1 × 2 Y-Junction Power Splitters
2.2. Profile-optimized 1 × 2 Y-Junction Power Splitters
2.3. Experimental Results for 1 × 2 Y-Junction Power Splitters
3. Broadband 2 × 2 50:50 Optical Power Splitters on 90 nm Slab
3.1. Design of 2 × 2 50:50 Power Splitters
3.2. Experimental Design for the 2 × 2 50:50 Power Splitters
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
Device | Min. Feature Size (nm) | Coupling Length (m) | pn | cn | |
---|---|---|---|---|---|
1 × 2 50:50 Y-junction | 140 | 10 | 0.5 | [0, 0.3, 0.5, 0.7, 1, 2, 5, 10] | [140, 0, 0, 0, 170, 37, 153] |
160 | 15 | [160, 0, 0, 50, 68, 127, 11, 84] | |||
180 | 20 | [180, 0, 1, 117, 52, 57, 82, 11] | |||
200 | 30 | [200, 0, 7, 73, 71, 33, 16, 100] | |||
1 × 2 58:42 Y-junction | 180 | 20 | 0.5 | [0, 0.3, 0.5, 0.7, 1, 2, 5, 10] | [180, 22, 49, 57, 8, 56, 47, 81] |
1 × 2 68:32 Y-junction | 180 | 20 | [180, 35, 57, 78, 5, 31, 54, 60] | ||
1 × 2 78:22 Y-junction | 180 | 20 | [180, 60, 43, 40, 33, 21, 57, 66] | ||
1 × 2 89:11 Y-junction | 180 | 20 | [180, 60, 79, 9, 13, 16, 56, 87] | ||
2 × 2 50:50 | 200 | 16 | 0.3 | [0, 0.1, 0.3, 0.5, 0.7, 1, 3, 5] | [400, 14, 45, 18, 1, 10, 0, 12] |
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Device | Min. Feature Size (nm) | ELTE 1 (dB) | ELTM 1 (dB) | SRTE 2 | Bandwidth (nm) |
---|---|---|---|---|---|
1 × 2 50:50 Y-junction | 180 | <0.5 | <0.5 | 50 ± 2 | 1480–1585 |
1 × 2 58:42 Y-junction | 180 | <0.6 | - | 58 ± 2 | 1490–1590 |
1 × 2 68:32 Y-junction | 180 | <0.5 | - | 71 ± 3 | 1487–1590 |
1 × 2 78:22 Y-junction | 180 | <0.6 | - | 84 ± 5 | 1490–1590 |
1 × 2 89:11 Y-junction | 180 | <0.6 | - | 94 ± 2 | 1490–1590 |
2 × 2 50:50 | 200 | <0.7 | - | 50 ± 3 | 1465–1590 |
Ref. | Device Type | Length (m) | Min. Feature Size (nm) | ELTE 1 (dB) | ELTM 1 (dB) | Bandwidth (nm) |
---|---|---|---|---|---|---|
[39] | 1 × 2 | 5 | 30 | 0.19 | 0.14 | 1530–1600 |
[41] | 1 × 2 | 40 | 100 | <1 | <1 | 1260–1650 |
[44] | 1 × 2 | 19 | 200 | ∼0.09 | - | 1510–1560 |
[45] | 1 × 2 | 40 | 200 | ∼0.06 | - | 1470–1570 |
[55] | 1 × 2 | 14 | 120 | 0.25 | 0.23 | 1500–1600 |
This work | 1 × 2 | 20 | 180 | <0.5 | <0.5 | 1480–1585 |
[46] | 2 × 2 | 100 | 200 | NR 2 | - | 1500–1600 3 |
[47] | 2 × 2 | 60 | 200 | <0.3 | - | 1500–1600 |
[48] | 2 × 2 | 83 | 200 | <0.15 | - | 1480–1620 |
[49] | 2 × 2 | 26.3 | 200 | NR 2 | - | 1470–1620 4 |
[50] | 2 × 2 | 11.7 | 150 | NR 2 | - | 1500–1600 4 |
[51] | 2 × 2 | 11.7 | 150 | NR 2 | NR 2 | 1490–1565 4 |
This work | 2 × 2 | 16 | 200 | <0.7 | - | 1465–1590 |
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Ozcan, C.; Aitchison, J.S.; Mojahedi, M. Foundry-Processed Compact and Broadband Adiabatic Optical Power Splitters with Strong Fabrication Tolerance. Photonics 2023, 10, 1310. https://doi.org/10.3390/photonics10121310
Ozcan C, Aitchison JS, Mojahedi M. Foundry-Processed Compact and Broadband Adiabatic Optical Power Splitters with Strong Fabrication Tolerance. Photonics. 2023; 10(12):1310. https://doi.org/10.3390/photonics10121310
Chicago/Turabian StyleOzcan, Can, J. Stewart Aitchison, and Mo Mojahedi. 2023. "Foundry-Processed Compact and Broadband Adiabatic Optical Power Splitters with Strong Fabrication Tolerance" Photonics 10, no. 12: 1310. https://doi.org/10.3390/photonics10121310