High efficiency second harmonic generation of blue light on thin film lithium niobate

TL;DR

This paper reports a highly efficient second harmonic generation of blue light using integrated thin-film lithium niobate waveguides, achieving a conversion efficiency much higher than previous methods.

Contribution

The work introduces a novel integrated thin-film lithium niobate waveguide with significantly improved second harmonic generation efficiency.

Findings

Conversion efficiency of 33000%/W-cm^2 achieved

Demonstrates superior performance over prior techniques

Validates potential for integrated photonic applications

Abstract

We demonstrate second harmonic generation of blue light on an integrated thin-film lithium niobate waveguide and observe a conversion efficiency of $\eta_0= 33000\%/\text{W-cm}^2$, significantly exceeding previous demonstrations.