公开(公告)号：US20230006760A1

公开(公告)日：2023-01-05

申请号：US17756592

申请日：2020-11-26

Applicant: UNIVERSITY OF SOUTHAMPTON

Inventor： Ke LI ,  David John THOMSON ,  Shenghao LIU ,  Graham Trevor REED ,  Weiwei ZHANG ,  Wei CAO

IPC: H04J14/08 ,  H04Q11/00

Abstract: A method of generating multiple channels of optical pulses comprises: providing a continuous wave optical input having an optical power; dividing the optical power of the optical input into equal consecutive slices in the time domain; and allocating the consecutive slices sequentially to two or more optical outputs such that each output forms a channel of optical pulses of equal pulse repetition rate shifted in time relative to the or each other channel.

公开(公告)号：US20220131616A1

公开(公告)日：2022-04-28

申请号：US17436192

申请日：2020-02-26

Applicant: University of Southampton

Inventor： Graham Trevor REED ,  Ke LI ,  Sheghao LIU ,  David John THOMSON

IPC: H04B10/54 ,  H04B10/079 ,  H04B10/2513

Abstract: An optical modulation system comprises a signal source configured to generate an amplitude modulated electrical signal having a bandwidth and divided into frequency components comprising at least a first frequency component covering a first portion of the bandwidth and a second frequency component covering a second portion of the bandwidth; and an electro-optic modulator for receiving an input optical signal, the modulator having a first optical path and a second optical path, the input optical signal being divided between the first optical path and the second optical path and recombined after propagation along the first optical path and the second optical path to produce an output optical signal, and at least one of the first optical path and the second optical path comprising a phase shifter comprising a pair of electrodes in which each electrode is configured to receive a driving signal; wherein the or each phase shifter is coupled to the signal source to receive at least one of said frequency components as a driving signal for an electrode, and the phase shifters are arranged such that the or each phase shifter receives a different pair of driving signals.