Breaking the resolution-bandwidth limit of chip-scale spectrometry by harnessing a dispersion-engineered photonic molecule
The chip-scale integration of optical spectrometers may offer new opportunities for in situ bio-
chemical analysis, remote sensing, and intelligent health care. The miniaturization of …
chemical analysis, remote sensing, and intelligent health care. The miniaturization of …
Silicon photonic microresonator-based high-resolution line-by-line pulse shaping
Optical pulse shaping stands as a formidable technique in ultrafast optics, radio-frequency
photonics, and quantum communications. While existing systems rely on bulk optics or …
photonics, and quantum communications. While existing systems rely on bulk optics or …
2023 astrophotonics roadmap: pathways to realizing multi-functional integrated astrophotonic instruments
N Jovanovic, P Gatkine, N Anugu… - Journal of Physics …, 2023 - iopscience.iop.org
Photonic technologies offer numerous functionalities that can be used to realize
astrophotonic instruments. The most spectacular example to date is the ESO Gravity …
astrophotonic instruments. The most spectacular example to date is the ESO Gravity …
High-performance, intelligent, on-chip speckle spectrometer using 2D silicon photonic disordered microring lattice
High-performance integrated spectrometers are highly desirable for applications ranging
from mobile phones to space probes. Based on silicon photonic integrated circuit …
from mobile phones to space probes. Based on silicon photonic integrated circuit …
Focal-plane wavefront sensing with photonic lanterns: theoretical framework
The photonic lantern (PL) is a tapered waveguide that can efficiently couple light into
multiple single-mode optical fibers. Such devices are currently being considered for a …
multiple single-mode optical fibers. Such devices are currently being considered for a …
Compact ultrabroad-bandwidth cascaded arrayed waveguide gratings
Here, we present a compact, high-resolution, and ultrabroad-bandwidth arrayed waveguide
grating (AWG) realized in a silicon nitride (Si_3N_4) platform. The AWG has a cascaded …
grating (AWG) realized in a silicon nitride (Si_3N_4) platform. The AWG has a cascaded …
Efficient detection and characterization of exoplanets within the diffraction limit: nulling with a mode-selective photonic lantern
Coronagraphs allow for faint off-axis exoplanets to be observed, but are limited to angular
separations greater than a few beam widths. Accessing closer-in separations would greatly …
separations greater than a few beam widths. Accessing closer-in separations would greatly …
Integrated scanning spectrometer with a tunable micro-ring resonator and an arrayed waveguide grating
Integrated spectrometers with both wide optical bandwidths and high spectral resolutions
are required in applications such as spectral domain optical coherence tomography (SD …
are required in applications such as spectral domain optical coherence tomography (SD …
Silicon nitride polarization beam splitter based on polarization-independent MMIs and apodized Bragg gratings
We present the design and experimental results of a novel polarization beam splitter (PBS)
with a high polarization extinction ratio (PER) made on a Si_3N_4 platform. The PBS is …
with a high polarization extinction ratio (PER) made on a Si_3N_4 platform. The PBS is …
Design and implementation of a Si3N4 three-stigmatic-point arrayed waveguide grating with a resolving power over 17,000
To provide a solution to the issue of the non-flat focal surface in traditional Rowland AWGs,
we have designed and implemented a Si_3N_4 three-stigmatic-point arrayed waveguide …
we have designed and implemented a Si_3N_4 three-stigmatic-point arrayed waveguide …