Agency for Science, Technology and Research

Arseniy Kuznetsov

Ramon Jose Paniagua Dominguez

Yefeng Yu

Yuan Hsing Fu

Zhaogang Dong

Kwang Wei Joel Yang

Xuewu Xu

Xinan Liang

Shampy Mansha

Egor Khaidarov

Ramon Paniagua-Dominguez

Hanfang Hao

A spatial light modulator and a method for forming the spatial light modulator. The spatial light modulator may include a first reflector. The spatial light modulator may also include a second reflector. The spatial light modulator may further include a liquid crystal layer between the first reflector and the second reflector. The first reflector may include a first electrode. The second reflector may include a second electrode. At least one reflector selected from the first reflector and the second reflector may be or may include a distributed Bragg reflector (DBR). The first reflector and the second reflector may form a Fabry-Perot (FP) cavity.

Spatial light modulator and method of forming the same

Various embodiments may provide a spatial light modulator. The spatial light modulator may include a first electrode arrangement. The spatial light modulator may also include a second electrode arrangement. The spatial light modulator may additionally include a liquid crystal (LC) layer between the first electrode arrangement and the second electrode arrangement. The spatial light modulator may also include one or more nanoantennas in contact with the liquid crystal layer. The first electrode arrangement and the second electrode arrangement may be each configured to allow at least a portion of light to pass through.

Various embodiments may provide a device for controlling an electromagnetic wave according to various embodiments. The device may include a medium. The device may further include an array of elements in contact with the medium and may be configured to receive the electromagnetic wave. Each element of the array of elements may include a phase change material configured to switch from, at least, a first state to a second state in response to an external input, thereby changing an optical property of the respective element to control the electromagnetic wave.

Device and arrangement for controlling an electromagnetic wave, methods of forming and operating the same

This application relates to a method of forming nano-patterns on a substrate comprising the step of forming a plurality of nanostructures on a dielectric substrate, wherein the nanostructures are dimensioned or spaced apart from each other by a scaling factor of the dielectric substrate with reference to a silicon substrate.

Method of forming nano-patterns on a substrate

There is provided a diffractive optical element including a substrate, and an array of optical nanoantennas arranged on the substrate, the array of optical nanoantennas being spaced apart periodically in a lateral direction for supporting a plurality of diffraction orders at a predetermined wavelength. In particular, each optical nanoantenna in the array of optical nanoantennas is configured to control distribution of electromagnetic energy from an incident light having the predetermined wavelength amongst the plurality of diffraction orders so as to promote scattering of the electromagnetic energy in at least a first direction and suppress scattering of the electromagnetic energy in at least a second direction, the first direction and the second direction corresponding to a first diffraction order and a second diffraction order of the plurality of diffraction orders, respectively. There also provided a corresponding method of forming the diffractive optical element and a flat optical element, such as a flat lens.

Diffractive optical element and method of forming thereof

Various embodiments may relate to an antenna. The antenna may include a ridge reflector arranged along a plane. The ridge reflector may be configured to enhance an emission of at least one electromagnetic wave source providing an electromagnetic wave signal to the antenna and further configured to direct the electromagnetic wave signal in a direction at least substantially perpendicular to the plane. The ridge reflector may define a space along the plane for allowing the electromagnetic wave signal to be directed in the direction at least substantially perpendicular to the plane. The ridge reflector may include at least one of a dielectric material and a semiconductor material.

Antenna, assembly, and methods of forming the same

Various embodiments may provide a polarization device for polarizing electromagnetic waves. The polarization device may include a stacked arrangement including a medium and an anti-reflection coating in contact with the medium. The polarization device may also include a periodic array of polarization elements in contact with the medium. The polarization device may be configured to, based on an electric response and a magnetic response of the periodic array of the polarization elements, transmit first polarized electromagnetic waves having a first polarization and reflect second polarized electromagnetic waves having a second polarization upon receiving the electromagnetic waves.

Polarization device for polarizing electromagnetic waves, methods of forming and operating the same

Various embodiments may provide a device for controlling an electromagnetic wave. The device may include a first electrode layer. The device may also include a second electrode layer. The device may further include a matrix layer between the first electrode layer and the second electrode layer. The matrix layer may include a liquid crystal layer. The matrix layer may also include at least one resonator element in contact with the liquid crystal layer. The liquid crystal layer may be configured to switch from, at least, a first state to a second state in response to a voltage applied between the first electrode layer and the second electrode layer, thereby changing an optical property of the matrix layer to control the electromagnetic wave received by the matrix layer.

According to embodiments of the present invention, an optical antenna is provided. The optical antenna includes at least one first particle, and at least one second particle having a diameter that is larger than a diameter of the at least one first particle, wherein the at least one first particle and the at least one second particle are arranged along a plane, and wherein the at least one first particle is configured to enhance an optical emission of at least one light source providing an optical signal to the optical antenna and the at least one second particle is configured to direct the optical signal in a direction at least substantially perpendicular to the plane.

Growing community of inventors

Singapore, Singapore

Arseniy Kuznetsov