Stable electro-optic modulators using thin-film lithium tantalate
Keith Powell, Xudong Li, Daniel Assumpcao, Let\'icia Magalh\~aes, Neil, Sinclair, Marko Lon\v{c}ar
TL;DR
This paper presents stable electro-optic modulators made from thin-film lithium tantalate, showing significantly improved DC stability over lithium niobate counterparts in a 46-hour test.
Contribution
Introduction of low-loss thin-film lithium tantalate modulators with superior long-term DC stability compared to lithium niobate devices.
Findings
DC power fluctuation less than 1 dB over 46 hours
Compared to lithium niobate, lithium tantalate shows 5 dB fluctuation
Demonstrates potential for more stable electro-optic modulation
Abstract
We demonstrate electro-optic modulators realized in low-loss thin-film lithium tantalate with superior DC-stability (<1 dB power fluctuation from quadrature with 12.1 dBm input) compared to equivalent thin-film lithium niobate modulators (5 dB fluctuation) over 46 hours.
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Taxonomy
TopicsOptical and Acousto-Optic Technologies · Photorefractive and Nonlinear Optics · Photonic and Optical Devices