Ti-indiffused waveguide polarizers on Lithium Niobate for Fiber Optic Gyroscope

Kanlı, Yasemin; oztekin, evren; Dönertaş, Seval; Gökkavas, Mutlu; Özbay, Ekmel

doi:10.1364/ofs.2018.wf51

26th International Conference on Optical Fiber Sensors 2018

DOI: 10.1364/ofs.2018.wf51

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Ti-indiffused waveguide polarizers on Lithium Niobate for Fiber Optic Gyroscope

Yasemin Kanlı

evren oztekin

Seval Dönertaş

et al.

Abstract: We report our results on polarizing waveguides fabricated by Ti indiffusion technique on x-cut y-propagating LiNbO3. Polarizing Ti indiffused waveguides with polarization extinction coefficient (PER) higher than 47 dB at their outputs, operating at 1550 nm wavelength were demonstrated.

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2024

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Reduction in Temperature-Dependent Fiber-Optic Gyroscope Bias Drift by Using Multifunctional Integrated Optical Chip Fabricated on Pre-Annealed LiNbO3

Karagöz,

Aşık,

Gökkavas

et al. 2024

Photonics

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The refractive index change obtained after annealed proton exchange (APE) in lithium niobate (LiNbO3) crystals depends on both the proton exchange process carried out in hot acid and the structure of the crystals. In devices produced by the APE method, dislocations and lattice defects within the crystal structure are considered to be primary contributors to refractive index discontinuities and waveguide instability. In this study, the effects of pre-annealing LiNbO3 crystals at 500 °C on multifunctional integrated optical chips (MIOCs) were investigated through interferometric fiber-optic gyroscope (IFOG) system-level tests. It was observed that the pre-annealing process resulted in an improvement in the optical throughput of MIOCs (from %34 to %51) and the temperature-dependent bias drift stability of the IFOG (from 0.031–0.038°/h to 0.012–0.019°/h). The angle random walk (ARW) was measured as 0.0056 deg/√h.

show abstract

Reduction in Temperature-Dependent Fiber-Optic Gyroscope Bias Drift by Using Multifunctional Integrated Optical Chip Fabricated on Pre-Annealed LiNbO3

Karagöz,

Aşık,

Gökkavas

et al. 2024

Photonics

View full text Add to dashboard Cite

show abstract

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Ti-indiffused waveguide polarizers on Lithium Niobate for Fiber Optic Gyroscope

Abstract: We report our results on polarizing waveguides fabricated by Ti indiffusion technique on x-cut y-propagating LiNbO3. Polarizing Ti indiffused waveguides with polarization extinction coefficient (PER) higher than 47 dB at their outputs, operating at 1550 nm wavelength were demonstrated.

Cited by 1 publication

References 6 publications

Reduction in Temperature-Dependent Fiber-Optic Gyroscope Bias Drift by Using Multifunctional Integrated Optical Chip Fabricated on Pre-Annealed LiNbO3

Reduction in Temperature-Dependent Fiber-Optic Gyroscope Bias Drift by Using Multifunctional Integrated Optical Chip Fabricated on Pre-Annealed LiNbO3

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