Hybrid passive optical network system

SH Cho, JH Lee, SI Myong, SS Lee, JH Lee… - US Patent …, 2016 - Google Patents
Provided is a hybrid passive optical network (PON) system. The hybrid PON system of
wavelength division multiplexing (WDM)/time division multiplexing (TDM) may include an …

1 Tb/s converged optical metro-access transmission based on wavelength division multiplexed orthogonal frequency division multiple access passive optical network …

N Cvijetic, M Cvijetic, T Wang - US Patent 9,002,204, 2015 - Google Patents
Abstract A Wavelength Division Multiplexed Orthogonal Frequency Division Multiple Access
Passive Optical Network (WDM-OFDMA-PON) includes a passive last-mile optical split …

Software-defined optical network

N Cvijetic, MI Angelou, A Patel, M Cvijetic, PN Ji… - US Patent …, 2015 - Google Patents
(57) ABSTRACT A software-defined (SD) optical network is disclosed. An SD optical line
terminal (OLT) includes a global SD controller, one or more SD OLT drivers connected to the …

Passive optical network with plural optical line terminals

F Cavaliere, S Dahlfort, P Ghiggino - US Patent 8,554,078, 2013 - Google Patents
An optical network includes a first passive optical network optical line terminal, coupled to a
first port of a first optical filter arrangement, and a second passive optical network optical line …

Sliceable router with packet over optical OFDM transmission

W Wei, T Wang - US Patent 8,089,993, 2012 - Google Patents
A sliceable router includes a forwarding engine; a routing engine coupled to the forwarding
engine; multiple virtual packet interfaces coupled to the forwarding engine, wherein the …

Secure orthogonal frequency multiplexed optical communications

I Shpantzer - US Patent 8,532,498, 2013 - Google Patents
The invention provides a system and method for secure communication that involve
encoding and transmitting an optical orthogonal frequency division multiplexed (OFDM) …

Orthogonal frequency division multiple access-passive optical network comprising optical network unit and optical line terminal

SH Cho, SI Myong, KH Doo, J Lee, S Lee… - US Patent …, 2015 - Google Patents
An orthogonal frequency division multiple access-passive optical network including a
plurality of optical network units each configured to generate orthogonal frequency division …

Energy efficient OFDM transceiver

J Hu, D Qian, T Wang - US Patent 8,781,326, 2014 - Google Patents
An energy efficient OFDM transceiver includes a transmitter using a decision processor to
control first internal elements that can be operated in parallel and can be selectively …

Independently routable digital subcarriers with configurable spacing for optical communication networks

JT Rahn, KT Wu, SJ Hand, HH Sun - US Patent 10,992,389, 2021 - Google Patents
Optical network systems and components are disclosed, including a transmitter comprising a
digital signal processor receiving a plurality of independent data streams, and supplying a …

Programmable optical network architecture

W Wei, J Hu, L Zong, D Qian, T Wang - US Patent 8,213,794, 2012 - Google Patents
US8213794B2 - Programmable optical network architecture - Google Patents
US8213794B2 - Programmable optical network architecture - Google Patents …