AI Article Synopsis
- - A new visible light modulator was successfully created using a thin-film lithium niobate platform, operating at a wavelength of 532 nm.
- - The modulator features low losses, with a waveguide propagation loss of 2.2 dB/mm and a coupling loss of 5 dB at the fiber interface.
- - It showcases impressive performance characteristics, including a low voltage-length product of 1.1 V·cm and a broad electro-optic bandwidth, making it a promising solution for future compact integrated systems in visible light applications.
Article Abstract
We experimentally demonstrate an integrated visible light modulator at 532 nm on the thin-film lithium niobate platform. The waveguides on such platform feature a propagation loss of 2.2 dB/mm while a grating for fiber interface has a coupling loss of 5 dB. Our fabricated modulator demonstrates a low voltage-length product of 1.1 V·cm and a large electro-optic bandwidth with a roll-off of -1.59 dB at 25 GHz for a length of 3.3 mm. This device offers a compact and large bandwidth solution to the challenge of integrated visible wavelength modulation in lithium niobate and paves the way for future small-form-factor integrated systems at visible wavelengths.
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| http://dx.doi.org/10.1364/OE.469065 | DOI Listing |
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