Abstract Quasi-phase matching (QPM) is a technique extensively utilized in nonlinear optics for enhancing the efficiency and stability of frequency conversion processes. However. the conventional QPM relies on periodically poled ferroelectric crystals. which are limited in availability. https://comneb89p5ya.timeblog.net/70688006/does-privatization-of-public-sector-banks-affect-stock-prices-an-event-study-approach-on-the-indian-banking-sector-stocks