System and method for generating an obfuscated optical signal

MAA Mohammadi, H Mehrvar, MMM Rad - US Patent 10,397,190, 2019 - Google Patents
A system and method for obfuscating an optical signal is disclosed. Obfuscating the optical
signal may make it more difficult for the optical signal to be detected by an interloper. In one …

Identifying data streams in polarization multiplexed transmission

GA Wellbrock - US Patent 9,231,727, 2016 - Google Patents
A polarization multiplexed receiver includes a polarization separator and optical mixing,
detecting and analog-to-digital components. The polarization separator receives …

High speed, silicon-based electro-optic modulator

K Shastri, P Gothoskar, M Ghiron, V Patel… - US Patent …, 2006 - Google Patents
An electro-optic modulator arrangement for achieving Switching speeds greater than 1 Gbfs
utilizes pre-emphasis pulses to accelerate the change in refractive index of the optical …

System and method for multi-level phase modulated communication

S Choudhary, T Hoshida, M Parker - US Patent App. 10/052,886, 2004 - Google Patents
A method for transmitting a signal includes providing a source signal and splitting the source
signal into a first and second split signal. The first split signal is modulated based on a first …

Measuring chromatic dispersion in an optical wavelength channel of an optical fiber link

FL Heismann, BC Collings - US Patent 8,135,275, 2012 - Google Patents
Two intensity modulated test signals are generated with pre cise frequency offset from a
single laser source, and multi plexed into a combined test signal. The two modulated signals …

Two-dimensional optical phased array

H Hashemi, SW Chung, H Abediasl - US Patent 10,634,973, 2020 - Google Patents
An optical device includes an array of unit optical elements. Each of the unit optical elements
includes a plurality of amplitude adjustment (AA) elements, each of the plurality of AA …

Quantum noise random number generator

A Trifonov, H Vig - US Patent 7,284,024, 2007 - Google Patents
A quantum noise random number generator system that employs quantum noise from an
optical homodyne detection apparatus is disclosed. The system utilizes the quantum noise …

OTDM coherent transceiver

C Doerr - US Patent 9,716,552, 2017 - Google Patents
US9716552B2 - OTDM coherent transceiver - Google Patents US9716552B2 - OTDM coherent
transceiver - Google Patents OTDM coherent transceiver Download PDF Info Publication number …

Multi-function beacon for optical communications laser relay

GD Coleman, JF Silny - US Patent 9,826,292, 2017 - Google Patents
A laser relay module in a free space optical communication network includes: a beacon
source for generating an optical beacon signal for aligning a communication channel of a …

Polarization diversity receiver for optical transmission system

C Fludger, R Epworth, A Robinson - US Patent 7,209,670, 2007 - Google Patents
(57) ABSTRACT A polarization diversity receiver has an optical section for converting the
received optical signal into four or five polarization diverse component optical signals that …