Quantum Metrology and Precision Measurements
Quantum Metrology and Precision Measurements
The Precision & Quantum Measurement-laboratory (PQM-lab: https://pqmlab.iucaa.in/) is expeimenting on
- quantum metrology
- precision measurements
- developing quantum-phenomena based sensors/ technologies
The PQM-lab is dedicated to supporting India’s quantum mission, supporting mega-science projects (e.g., LIGO-India, TMT) and synergizing between precision
atomic spectroscopy and astronomical studies to explore unanswered questions in fundamental science

Indigenization of the quantum clock with unprecedented accuracy has national importance and also will be used for testing fundamental science and geodesy. In particular, our long-term interest is measuring the temporal constancy of the dimensionless fundamental constants and possible violation of fundamental symmetries. For that PQM-lab is working on three major inter-connecting areas,