All-optical signal processing for ultrahigh speed optical systems and networks

L Yan, AE Willner, X Wu, A Yi, A Bogoni… - Journal of Lightwave …, 2012 - ieeexplore.ieee.org
With high-bandwidth and on-demand applications continuing to emerge, next-generation
core optical networks will likely require significant improvements in reconfigurability and …

All-optical clocked delay flip-flop using a single terahertz optical asymmetric demultiplexer-based switch: a theoretical study

T Chattopadhyay - Applied optics, 2010 - opg.optica.org
A flip-flop (FF) is a kind of latch and the simplest form of memory device, which stores
various values either temporarily or permanently. Optical FF memories form a fundamental …

All-optical binary to gray code and gray to binary code conversion scheme with the help of semiconductor optical amplifier-assisted Sagnac switch

DK Gayen, T Chattopadhyay, MK Das, JN Roy… - IET circuits, devices & …, 2011 - IET
Gray codes are widely used to facilitate error correction in digital communications. An all-
optical four-bit binary to Gray code and Gray to binary code converter with the help of …

All-optical binary flip-flop with the help of terahertz optical asymmetric demultiplexer

GK Maity, T Chattopadhyay, DK Gayen, C Taraphdar… - Natural Computing, 2010 - Springer
The memory device is very important as they store various values either temporary or
permanently. Optical flip-flop memories form a fundamental building block for all-optical …

An alternative approach of develo** a frequency encoded data based asynchronous Counter in C-Band

MK Garai, MK Mandal, SK Garai - Journal of Optics, 2023 - Springer
All optical counters play very important roles in digital data communication and signal
processing in optical domain to count the number of pulses passing through any …

All-optical multiplication with the help of semiconductor optical amplifier—assisted sagnac switch

DK Gayen, T Chattopadhyay, RK Pal… - Journal of computational …, 2010 - Springer
An all-optical two 2-bit numbers multiplication with the help of Semiconductor Optical
Amplifier (SOA)—assisted Sagnac Switch is proposed and described. The paper describes …