TE0-TM0 mode hybridization in an LNOI ridge waveguide

An Pan; Changran Hu; Cheng Zeng; Jinsong Xia

doi:10.1117/12.2589978

18 March 2021 TE0-TM0 mode hybridization in an LNOI ridge waveguide

An Pan, Changran Hu, Cheng Zeng, Jinsong Xia

Proceedings Volume 11780, Global Intelligent Industry Conference 2020; 117800Y (2021) https://doi.org/10.1117/12.2589978
Event: Global Intelligent Industry Conference 2020, 2020, Guangzhou, China

Abstract

The thin film lithium niobate (LNOI) platform has attracted great interest towards integrated photonics devices, featuring high-speed electrooptical responsion and low-loss light propagation. To enhance the function of passive devices in LNOI, the fundamental mode hybridization (TE₀, TM₀) in an LNOI ridge waveguide is therotically analysed and experimentally demonstrated. A microring resonator with Q-factor of 1.78 million is fabricated, revealing the appearance of the mode hybridization by observing sudden jumps in the FSRs of both fundamentally resonating modes. The central wavelength of the fundamental mode hybridization is designed at 1562nm and observed at 1537nm. Potential applications include fundamental mode conversion, polarization rotation, polarization splitter, and polarization insensitive waveguides in optical receiver module.

Citation Download Citation

An Pan, Changran Hu, Cheng Zeng, and Jinsong Xia "TE0-TM0 mode hybridization in an LNOI ridge waveguide", Proc. SPIE 11780, Global Intelligent Industry Conference 2020, 117800Y (18 March 2021); https://doi.org/10.1117/12.2589978

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