Speaker
Description
Since the first successful detection in 2015, the area of gravitational wave research has
advanced quickly, bringing in a new age in astronomy. We focus over the benefits and
drawbacks of existing ground-based observatories like LIGO and, Virgo as well as the critical
role of future third-generation detectors like the Einstein Telescope and space-based missions
like LISA. Improvements in cryogenic technology, increased frequency coverage, and
integration with multi-messenger astronomy are highlighted as important areas of study. GW
astronomy has become a key component of contemporary observational astrophysics thanks
to ground-based interferometers like Virgo, KAGRA, and LIGO, which made groundbreaking
discoveries. The low-frequency sensitivity and horizon reach of the current generation of
detectors are nevertheless constrained by a number of fundamental and technical noise
sources, such as quantum shot noise, thermal Brownian motion in optical coatings, seismic
disturbances, and suspension-related thermal fluctuations. Next-generation observatories like
LIGO-India, the Einstein Telescope (ET), and the Cosmic Explorer (CE) are being built with
revolutionary technological advancements to overcome these obstacles. This study explains
the state of gravitational wave detection today and considers potential future paths that could
deepen our comprehension of the cosmos.