176 citations · 895 across the 21 of their papers we have counts for
11 papers · 1 filter
Fiber-Amplified Pulses Beyond the Gain Narrowing Limit for Seeding an OPA
Brittany Lu, Keith Wernsing, Sergio Carbajo
We report on the design and numerical simulation of a tunable, near-infrared (NIR) femtosecond noncollinear optical parametric amplifier (OPA) seeded by a nonlinear fiber amplifier…
Design, Optimization, and Blackbox Optimization of Laser Systems
Jack Hirschman, Randy Lemons, Minyang Wang +2
Chirped pulse amplification (CPA) and subsequent nonlinear optical (NLO) systems constitute the backbone of myriad advancements in semiconductor and additive manufacturing, communi…
Temporal shaping of narrow-band picosecond pulses via non-colinear sum-frequency mixing of dispersion-controlled pulses
Randy Lemons, Nicole Neveu, Joseph Duris +3
A long sought-after goal for photocathode electron sources has been to improve performance by temporally shaping the incident exitation laser pulse. The narrow bandwidth, short wav…
Long-term Hybrid Stabilization of the Carrier-Envelope Phase
Jack Hirschman, Randy Lemons, Evan Chansky +2
Controlling the carrier envelope phase (CEP) in mode-locked lasers over practically long timescales is crucial for real-world applications in ultrafast optics and precision metrolo…
Reconstruction and Optimization of Coherent Synthesis by Fourier Optics Based Genetic Algorithm
Randy Lemons, Sergio Carbajo
We present a numerical method for the reconstruction and optimization of complex field synthesis using coherent pulse combination systems. A genetic algorithm utilizing a Fourier o…
Integrated Structured Light Architectures
Randy Lemons, Wei Liu, Josef C. Frisch +4
The structural versatility of light underpins an outstanding collection of optical phenomena where both geometrical and topological states of light can dictate how matter will resp…
Effective Path Towards Relativistic Transients at Millimeter Wavelengths
Sergio Carbajo, Anne-Laure Calendron, Huseyin Cankaya +6
We refine the method towards extraction of sub-cycle transients in the 0.1-1 THz frequency (mm-wavelength) range from optical rectification in lithium niobate using tilted pulse fr…
Direct laser acceleration of electrons in free-space
Sergio Carbajo, Emilio A. Nanni, Liang Jie Wong +2
Compact laser-driven accelerators are versatile and powerful tools of unarguable relevance on societal grounds for the diverse purposes of science, health, security, and technology…
Theory of THz generation by Optical Rectification using Tilted-Pulse-Fronts
Koustuban Ravi, Wenqian Ronny Huang, Sergio Carbajo +4
A model for THz generation by optical rectification using tilted-pulse-fronts is developed. It simultaneously accounts for (i) the spatio-temporal distortions of the optical pump p…
Terahertz Generation in Lithium Niobate Driven by Ti:Sapphire Laser Pulses and its Limitations
Xiaojun Wu, Sergio Carbajo, Koustuban Ravi +5
We experimentally investigate the limits to 800 nm-to-terahertz (THz) energy conversion in lithium niobate at room temperature driven by amplified Ti:Sapphire laser pulses with til…
Limitations to THz generation by optical rectification using tilted pulse fronts
Koustuban Ravi, Wenqian Ronny Huang, Sergio Carbajo +2
Terahertz (THz) generation by optical rectification (OR) using tilted-pulse-fronts is studied. One-dimensional (1-D) and 2-D spatial models, which simultaneously account for (i) th…