Sujith Chandran
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View article: Fabrication-Tolerant O-Band WDM Filter With Phase-Balanced Tapered Arms and Wavelength-Independent Couplers
Fabrication-Tolerant O-Band WDM Filter With Phase-Balanced Tapered Arms and Wavelength-Independent Couplers Open
We design, simulate, and experimentally demonstrate a coarse wavelength-division de-multiplexing system based on cascaded Mach-Zehnder interferometers (MZIs) operating in the O-band. The fabricated devices are built on a monolithic silicon…
View article: Straight and curved distributed Bragg reflector design for compact WDM filters
Straight and curved distributed Bragg reflector design for compact WDM filters Open
Grating-assisted contra-directional couplers (CDCs) wavelength selective filters for wavelength division multiplexing (WDM) are designed and experimentally demonstrated. Two configuration setups are designed; a straight-distributed Bragg r…
View article: Compact, broadband, and low-loss power splitters using MZI based on Bézier bends
Compact, broadband, and low-loss power splitters using MZI based on Bézier bends Open
We experimentally demonstrate wavelength-independent couplers (WICs) based on an asymmetric Mach-Zehnder interferometer (MZI) on a monolithic silicon-photonics platform in a commercial, 300-mm, CMOS foundry. We compare the performance of s…
View article: Fabrication tolerant and wavelength independent arbitrary power splitters on a monolithic silicon photonics platform
Fabrication tolerant and wavelength independent arbitrary power splitters on a monolithic silicon photonics platform Open
We experimentally demonstrate wavelength-independent couplers based on an asymmetric Mach-Zehnder interferometer on a monolithic silicon-photonics platform in a state-of-the-art CMOS foundry. The devices are also designed to exhibit fabric…
Towards Scalable, Energy-Efficient and Ultra-Fast Optical SRAM Open
Optical static random access memory (O-SRAM) is one of the key components required for achieving the goal of ultra-fast, general-purpose optical computing. We propose and design a novel O-SRAM using fabrication-friendly photonics device co…
View article: Compact MMI-Based AWGs in a Scalable Monolithic Silicon Photonics Platform
Compact MMI-Based AWGs in a Scalable Monolithic Silicon Photonics Platform Open
We demonstrate a compact () four-channel wavelength division multiplexer using an arrayed waveguide grating based on multimode interference couplers, and built on a monolithic silicon photonics platform. The design is particularly attracti…
Mode Sensitivity Analysis of Subwavelength Grating Slot Waveguides Open
In this paper, we investigate the mode sensitivity (S-mode) of subwavelength grating slot (SWGS) waveguides. S-mode is an important parameter in various waveguide-based photonic circuits such as sensors, modulators, and thermally-controlle…