First experimental thin-film lithium tantalate electro-optic modulator at 1 μm wavelength with Vπ of 2.4 V and less than 2 dB electro-optic roll-off up to 50 GHz.
High-power handling and bias stability of thin-film Lithium Tantalate microring and coupling resonators
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abstract
In this paper, we demonstrate the ultra-high-power handling capability and DC bias stability of optical microring and electro-optic (EO) coupling resonators on the thin-film lithium tantalate (TFLT) platform. We show that, with annealing, oxide-cladded TFLT resonators can handle several watts (4W) of circulating power with minimal frequency shift and no observable photo-refractive effect. Furthermore, we demonstrate a compact 2mm coupling modulator achieving a low Vpi of 3V with stable bias and phase control in the telecom C-band.
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UNVERDICTED 3representative citing papers
First demonstration of stable bidirectional microwave-optical transduction in thin-film lithium tantalate with ~1 kHz coupling rates, multi-day static-bias operation, and low added noise.
Thin-film lithium tantalate modulators show unchanged modulation and bandwidth plus DC-bias stability at 120°C with 10% lower Vπ at elevated temperatures, enabling uncooled co-packaged optics.
citing papers explorer
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High bandwidth traveling wave electro-optic modulator at 1{\mu}m on thin-film lithium tantalate
First experimental thin-film lithium tantalate electro-optic modulator at 1 μm wavelength with Vπ of 2.4 V and less than 2 dB electro-optic roll-off up to 50 GHz.
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Stable, bidirectional electro-optic transduction in thin film lithium tantalate
First demonstration of stable bidirectional microwave-optical transduction in thin-film lithium tantalate with ~1 kHz coupling rates, multi-day static-bias operation, and low added noise.
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Stable thin-film lithium tantalate modulators operating at high temperature for uncooled operation
Thin-film lithium tantalate modulators show unchanged modulation and bandwidth plus DC-bias stability at 120°C with 10% lower Vπ at elevated temperatures, enabling uncooled co-packaged optics.