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Low-loss, Single-shot Fiber-Array to Chip Attach Using Laser Fusion Splicing

https://doi.org/10.1109/IPC53466.2022.9975465

Nauriyal, Juniyali; Zhang, Yi; Song, Meiting; Cardenas, Jaime (November 2022, IEEE)
Fiber array to chip attach using laser fusion splicing for low loss

https://doi.org/10.1364/OE.492752

Nauriyal, Juniyali; Song, Meiting; Zhang, Yi; Granados-Baez, Marissa; Cardenas, Jaime (June 2023, Optics Express)

With the ever-increasing need for higher data rates, datacom and telecom industries are now migrating to silicon photonics to achieve higher data rates with reduced manufacturing costs. However, the optical packaging of integrated photonic devices with multiple I/O ports remains a slow and expensive process. We introduce an optical packaging technique to attach fiber arrays to a photonic chip in a single shot using CO₂laser fusion splicing. We show a minimum coupling loss of 1.1 dB, 1.5 dB, and 1.4 dB per-facet for 2, 4, and 8-fiber arrays (respectively) fused to the oxide mode converters using a single shot from the CO₂laser.
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Hands-On Photonic Education Kits: empowering the integrated photonics workforce through practical training

https://doi.org/10.1364/AO.502232

Neim, Lilian; Yovanovich, Alexander; Bartholomew, Jacob; Deenadayalan, Venkatesh; Ciminelli, Mario; Palone, Thomas; van_Niekerk, Matthew; Song, Meiting; Nauriyal, Arunima; Notaros, Jelena; et al (November 2023, Applied Optics)

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Electrically induced adiabatic frequency conversion in an integrated lithium niobate ring resonator

https://doi.org/10.1364/OL.473113

He, Xiaotong; Cortes-Herrera, Luis; Opong-Mensah, Kwadwo; Zhang, Yi; Song, Meiting; Agrawal, Govind_P; Cardenas, Jaime (November 2022, Optics Letters)

Changing the frequency of light outside the laser cavity is essential for an integrated photonics platform, especially when the optical frequency of the on-chip light source is fixed or challenging to be tuned precisely. Previous on-chip frequency conversion demonstrations of multiple GHz have limitations of tuning the shifted frequency continuously. To achieve continuous on-chip optical frequency conversion, we electrically tune a lithium niobate ring resonator to induce adiabatic frequency conversion. In this work, frequency shifts of up to 14.3 GHz are achieved by adjusting the voltage of an RF control. With this technique, we can dynamically control light in a cavity within its photon lifetime by tuning the refractive index of the ring resonator electrically.
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