Femtosecond oscillator ( 800 nm, 9 nJ, 80 Mhz, 100 fs) with 2 mJ regen amplifier and 0.5 mJ OPO (up to 13 microns), a supercontinuum source as well as a doubling crystal
The oscillator is pumping both a supercontinuum laser setup as well as a regerative amplifier suitable for high-power experiments. We currently use the 80 MHz oscillator as a pump for a supercontinuum source via a microstructure fiber, and as a pump for a frequency doubler providing 50 mW average power at 405 nm.
Telecom testing facility for free-space applications
This testing facility includes a two-wavelength telecom-band laser source with an erbium-doped fiber amplifier. The 2W average power system generates pulses anywhere from 1-1000 ns, with repetition rates from 100 kHz to 10s of MHz with high peak powers. The system is equipped with an inverted microscope and high-precision stages for various free-space experiments, as well as reflectivity and phase measurement tools.
THz spectroscopy
a Continuous-wave, 50 MHz resolution THz spectrometer, tunable from 50 GHz to 1.5 Thz.
Integrated optics testing facility
Our home-built fiber-in, fiber-out waveguide loss, nonlinearity, quality-factor test bed using two piezo electric stages for precise alignment and lensed fibers for input. The system is equipped with both a visible and IR cameras for direct imaging of beam propagation as well as for alignment, and is coupled to near-IR and telecom-band tunable lasers.
Nanoparticle placement setup
A unique system built in collaboration with C. Zhao at UD, capable of placing nanoparticles (nanodiamond, quantum dot, etc) on various systems such as optical fiber tips with 100 nm precision. The system is additionally capable of exciting the nanoparticles with visible laser light and reading any subsequent emission.
Optical spectroscopy tools
Through a combination of fast, handheld camera and mems-based spectrometers, high-NA objectives, in addition to an ultra high-power source, we are capable of measuring spectra in both transmission and reflection from 300 nm to 2.6 microns, with a spatial resolution of 20 micrometers.
FPGA and ultrafast capture lab
We have built a testbed for using FPGAs and high-speed analog-to-digital and digital-to-analog converters , with the goal of producing massively parallel high-speed optoelectronic readout and storage systems for spectroscopy applications, as well as massively parallel high voltage components for pixel-level control in spatial light modulation. The test bed can be adapted according to the application, but we aim at GHz-speed control with 64+ channels running simultaneously in both input and output modes, with interfacing to both dynamic and flash-type memories.