Over the last 20 years, silicon photonics has revolutionized the field of integrated optics,
providing a novel and powerful platform to build mass-producible optical circuits. One of the …

Lithium niobate (LiNbO3) on insulator (LNOI) is a promising material platform for integrated
photonics due to single crystal LiNbO3 film's wide transparent window, high refractive index …

In this paper, we present a brief history of silicon photonics from the early research papers in
the late 1980s and early 1990s, to the potentially revolutionary technology that exists today …

We present a simple and practical strategy that allows to design high-efficiency grating
couplers. The technique is based on the simultaneous apodization of two structural …

Photonic integration requires a versatile packaging technology that enables low-loss
interconnects between photonic chips in three-dimensional configurations. In this paper we …

Dedicated multi-project wafer (MPW) runs for photonic integrated circuits (PICs) from Si
foundries mean that researchers and small-to-medium enterprises (SMEs) can now afford to …

Efficient light energy transfer between optical waveguides has been a critical issue in
various areas of photonics and optoelectronics. Especially, the light coupling between …

Coupling of light to and from integrated optical circuits has been recognized as a major
practical challenge since the early years of photonics. The coupling is particularly difficult for …

The integration of complex oxides on silicon presents opportunities to extend and enhance
silicon technology with novel electronic, magnetic, and photonic properties. Among these …

We present a gradient-based algorithm to design general 1D grating couplers without any
human input from start to finish, including a choice of initial condition. We show that we can …