Sub-nanosecond terahertz radiation obtained with an aperiodically poled lithium niobate and organic HMQ-TMS

M Carrillo-Fuentes, RS Cudney, SH Lee, OP Kwon - Optics Express, 2020 - opg.optica.org
We report a compact, simple source of terahertz radiation that can be tuned to well-defined
frequencies spanning∼ 1.4 to 10 THz, based on difference-frequency generation in an HMQ …

Robust and broadband frequency conversion in composite crystals with tailored segment widths and χ(2) nonlinearities of alternating signs

AA Rangelov, NV Vitanov, G Montemezzani - Optics letters, 2014 - opg.optica.org
We propose an efficient, robust, and broadband nonlinear optical frequency conversion
technique, which uses segmented crystals constructed in analogy with the composite pulses …

Multiple quasi-phase-matched second-harmonic generation in phase reversal optical superlattice structure

TS Meetei, MM Ali, S Boomadevi, K Pandiyan - Applied Physics B, 2019 - Springer
Abstract Domain-engineered quasi-phase-matching (QPM) devices are known for its
versatility and ability to tune the nonlinear optical frequency conversion process. In this …

[HTML][HTML] Sub-nanosecond, megawatt compact diode-pumped Nd: YLF laser

RS Cudney, CE Minor - Revista mexicana de física, 2018 - scielo.org.mx
We present a compact source of sub-nanosecond infrared laser pulses. The system is a
diode-pumped, passively Q-switched Nd: YLF laser that emits 1.047 µm pulses with a …

Electro-optically tunable, multi-wavelength optical parametric generators in aperiodically poled lithium niobates

YH Chen, HP Chung, WK Chang, HT Lyu… - Optics express, 2012 - opg.optica.org
We report on the design and demonstration of electro-optically tunable, multi-wavelength
optical parametric generators (OPGs) based on aperiodically poled lithium niobate (APPLN) …

[HTML][HTML] Efficient conversion from infrared to red light by cascaded nonlinear optical processes using an aperiodically poled lithium niobate crystal

JE González, LA Ríos, DR Yankelevich… - Journal of applied …, 2015 - scielo.org.mx
We present a scheme for conversion of pulsed light from the infrared to the red spectral
region, using an aperiodically poled ferroelectric crystal within a resonant cavity in which two …

Characterization of aperiodic domain structure in lithium niobate by spontaneous parametric down-conversion spectroscopy

AS Solntsev, GK Kitaeva, II Naumova… - Laser Physics …, 2015 - iopscience.iop.org
We develop a technique for detailed analysis of aperiodically poled crystalline nonlinear
transfer functions. The method allows precise evaluation of 1D aperiodic domain structure …

Seeded optical parametric generator with efficiency-enhanced mid-wave infrared beam output

ZG Figen - Journal of Modern Optics, 2014 - Taylor & Francis
A novel device with a simple architecture for high-power mid-wave infrared beam generation
is proposed and analyzed using a realistic model that takes the diffraction of the beams into …

Red beam generation based on aperiodically poled lithium niobate

ZG Figen, O Akın - Optics Communications, 2014 - Elsevier
We propose a novel device with a simple architecture for high-power red beam generation.
The device is an optical parametric generator based on an aperiodically poled LiNbO 3 …

Development of a new pulsed source for photoacoustic imaging based on aperiodically poled lithium niobate

D Yankelevich, JE González, RS Cudney… - Biomedical optics …, 2014 - opg.optica.org
We present the development of a source of deep-red radiation for photoacoustic imaging.
This source, which is based on two cascaded wavelength conversion processes in …