Photonic technologies offer numerous functionalities that can be used to realize
astrophotonic instruments. The most spectacular example to date is the ESO Gravity …

Astrophotonics is an emerging field that focuses on the development of photonic
components for astronomical instrumentation. With ongoing advancements, astrophotonic …

The design and performance of a high-efficiency broadband and polarization-independent
reflective grating is reported. The physical mechanism of the gratings can be described by …

An ultra-compact, narrow-bandwidth, and high-density photonic integrated channelizer has
been developed on a silicon nitride platform and demonstrated for parallel processing of …

We present an optical ranging and super-resolution object localization method, monopulse
ladar, used to determine the angle of a point target in two dimensions to a few percent of an …

Bulk-optic, seeing-limited astronomical spectrographs have limitations like high complexity,
large size, mass, and high cost, which scale quadratically with the telescope diameter …