Frequency‐Resolved Optical Gating in Transverse Geometry for On‐Chip Optical Pulse Diagnostics
Huakang Yu,
Yipeng Lun,
Jintian Lin
et al.
Abstract:A new on‐chip diagnostic tool is developed, allowing for real‐time full characterization of waveguided ultrashort optical pulses. This technique, called transverse frequency‐resolved optical gating (T‐FROG), relies on second harmonic generation (SHG) in a transverse (surface emitting) geometry. The T‐FROG is implemented on a thin‐film lithium niobate (LN) platform, demonstrating its versatility and consistency in accurately characterizing waveguided femtosecond pulses, including information about chirp and sel… Show more
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