High-speed thermo-optic micro ring resonator based digital half adder

Abstract

This work demonstrates the design of the digital half adder at the data rate of 1Mbit/s using micro-ring resonators (MRRs). In order to obtain the response of Sum and Carry ports, three micro-ring resonators are used, and a thermo-optic effect is achieved by placing micro heaters on top of each ring. All rings used in the design have identical parameters. Static and dynamic responses of the circuit are provided to show the ability of the device to work properly, and the obtained power level demonstrates that the circuit can transmit data at a specified speed without any additional active elements. The design achieved a compact size of about 658 × 486 µm2.

Silicon photonics micro-ring resonator-based SR latch for optical memory applications

“…In order to design a latch with the use of micro-ring resonators, it is desired to use a plasma dispersion effect to tune its resonance wavelength 11 . The main reason to work with active MRRs is that passive one has its major limitation in terms of speed 12,13 , which can make any latches not applicable. This work therefore proposes the design of the optical SR NAND and NOR latches with micro-ring resonators as their basic components.…”

Microring assisted Mach–Zehnder interferometric structure based electro-optic adder for photonic integrated circuits

“…In this regard, MZI-based structures offer immense advantages to any PIC designer. Recently E/O HAs had been demonstrated in [31][32][33][34] while multiple MRR-based HAs were presented in [35][36][37].…”