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Updated: Jul 21, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
Published on: February 28, 2016
Compact and broadband polarization splitter-rotator on thin-film lithium niobate minimized with the fast
Abstract:
Polarization splitter-rotators (PSRs) are crucial for on-chip polarization-division multiplexing (PDM) systems. Here, we design and experimentally demonstrate a compact and broadband PSR based on adiabatic mode evolution on a thin-film lithium niobate (TFLN) platform. A novel, to the best of our knowledge, quasi-adiabatic algorithm is proposed to minimize the device size. The fabricated PSR, with an adiabatic waveguide length of only 0.4 mm, exhibits an insertion loss of <0.64 dB and a polarization extinction ratio of >20 dB over a 122-nm bandwidth.
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