Giant enhancement of THz-frequency optical nonlinearity by phonon polariton in ionic crystals
The field of nonlinear optics has grown substantially in past decades, leading to tremendous
progress in fundamental research and revolutionized applications. Traditionally, the optical …
progress in fundamental research and revolutionized applications. Traditionally, the optical …
Giant Kerr nonlinearity of terahertz waves mediated by stimulated phonon polaritons in a microcavity chip
Optical Kerr effect, in which input light intensity linearly alters the refractive index, has
enabled the generation of optical solitons, supercontinuum spectra, and frequency combs …
enabled the generation of optical solitons, supercontinuum spectra, and frequency combs …
Topological Valley Transport of Terahertz Phonon–Polaritons in a LiNbO3 Chip
Topological photonics has thrived in various optical systems over the past decade for the
fascinating properties of eliminating backscattering losses and enhancing the efficiency of …
fascinating properties of eliminating backscattering losses and enhancing the efficiency of …
Enhancement of THz generation in LiNbO3 waveguides via multi-bounce velocity matching
BS Dastrup, ER Sung, F Wulf, C Saraceno… - Light: Science & …, 2022 - nature.com
To realize the full promise of terahertz polaritonics (waveguide-based terahertz field
generation, interaction, and readout) as a viable spectroscopy platform, much stronger …
generation, interaction, and readout) as a viable spectroscopy platform, much stronger …
Time-resolved imaging of near-fields in THz antennas and direct quantitative measurement of field enhancements
We investigate the interaction between terahertz waves and resonant antennas with sub-
cycle temporal and λ/100 spatial resolution. Depositing antennas on a LiNbO_3 waveguide …
cycle temporal and λ/100 spatial resolution. Depositing antennas on a LiNbO_3 waveguide …
Enhanced Terahertz Phonon Polariton in Lithium Niobate Chip
Terahertz (THz) phonon polaritons, fundamental quasi‐particles that couple lattice vibrations
with electromagnetic fields at THz frequencies, are found in a variety of materials that offer …
with electromagnetic fields at THz frequencies, are found in a variety of materials that offer …
Generation of multicycle terahertz phonon-polariton waves in a planar waveguide by tilted optical pulse fronts
We demonstrate generation of frequency-tunable, multicycle terahertz phonon-polariton
waves in a LiNbO 3 slab waveguide. Because the waveguide modes show considerable …
waves in a LiNbO 3 slab waveguide. Because the waveguide modes show considerable …
Chemically assisted femtosecond laser machining for applications in LiNbO3 and LiTaO3
P Sivarajah, CA Werley, BK Ofori-Okai, KA Nelson - Applied Physics A, 2013 - Springer
We introduce and optimize a fabrication procedure that employs both femtosecond laser
machining and hydrofluoric acid etching for cutting holes or voids in slabs of lithium niobate …
machining and hydrofluoric acid etching for cutting holes or voids in slabs of lithium niobate …
Experimental and theoretical analysis of THz-frequency, direction-dependent, phonon polariton modes in a subwavelength, anisotropic slab waveguide
Femtosecond optical pulses were used to generate THz-frequency phonon polariton waves
in a 50 micrometer lithium niobate slab, which acts as a subwavelength, anisotropic planar …
in a 50 micrometer lithium niobate slab, which acts as a subwavelength, anisotropic planar …
Direct visualization of light confinement and standing wave in THz Fabry-Perot resonator with Bragg mirrors
C Pan, Q Wu, Q Zhang, W Zhao, J Qi, J Yao… - Optics …, 2017 - opg.optica.org
We report for the first time the ability to perform time resolved imaging of terahertz (THz)
waves propagating within a Fabry-Perot resonator on a LiNbO_3 slab. Electro-optic effect is …
waves propagating within a Fabry-Perot resonator on a LiNbO_3 slab. Electro-optic effect is …