3 papers
physics.optics2026
High bandwidth traveling wave electro-optic modulator at 1μm on thin-film lithium tantalate
Ayed Al Sayem, Shiekh Zia Uddin, Ting-Chen Hu +4
We present the first experimental demonstration of a high-bandwidth thin-film lithium tantalate (TFLT) electro-optic modulator operating at 1 μm, with a Vπ of 2.4 V, and less than…
physics.optics2024
Acousto-optic modulation based on an AlScN microring resonator for microwave-to-optical conversion
Kewei Bian, Yushuai Liu, Weilin Rong +7
Acoustic-optic (AO) modulation is critical for microwave and optical signal processing, computing and networking. Challenges remain to integrate AO devices on-chip using fabricatio…
physics.app-ph2024
Silicon-integrated scandium-doped aluminum nitride electro-optic modulator
Tianqi Xu, Yushuai Liu, Yuanmao Pu +8
Scandium-doped aluminum nitride (AlScN) with an asymmetric hexagonal wurtzite structure exhibits enhanced second-order nonlinear and piezoelectric properties compared to aluminum n…