公开(公告)号：US20200145100A1

公开(公告)日：2020-05-07

申请号：US16495187

申请日：2017-04-07

Applicant: Hewlett Packard Enterprise Development LP

Inventor： Tsung Ching Huang ,  Rui Wu ,  Nan Qi ,  Mir Ashkan Seyedi ,  Marco Fiorentino

IPC: H04B10/079 ,  H04B10/50 ,  H04B10/54

Abstract: Examples described herein relate to reducing a magnitude of a supply voltage for a circuit element of an optical transmitter device. In some such examples, the circuit element is a driving element that is to receive a first electrical data signal and to provide a second electrical data signal to an optical element that is to provide an optical data signal. A testing element is to compare the optical data signal to the first electrical data signal to determine whether the optical transmitter device meets a performance threshold. When the device meets the performance threshold, a regulating element is to reduce a magnitude of the supply voltage of the driving element.

公开(公告)号：US20180314080A1

公开(公告)日：2018-11-01

申请号：US15768901

申请日：2015-10-28

Applicant: Hewlett Packard Enterprise Development LP

Inventor： Nan Qi ,  Cheng Li ,  Marco Fiorentino

IPC: G02F1/01 ,  H04B10/588 ,  G02F1/21

CPC classification number: H04B10/588 ,  G02F1/0327 ,  G02F1/225 ,  G02F2201/126

Abstract: One example of a system includes an optical modulator, a push-pull driver, and a compensation circuit. The optical modulator has a nonlinear capacitance. The push-pull driver is electrically coupled across the optical modulator. The push-pull driver charges the capacitance in response to a logic ‘1’ of a level-shifted differential signal and discharges the capacitance in response to a logic ‘0’ of the level-shifted differential signal. The compensation circuit increases the speed of the discharge of the capacitance in response to the level-shifted differential signal transitioning from a logic ‘1’ to a logic ‘0’.

公开(公告)号：US10805004B2

公开(公告)日：2020-10-13

申请号：US16495187

申请日：2017-04-07

Applicant: Hewlett Packard Enterprise Development LP

Inventor： Tsung Ching Huang ,  Rui Wu ,  Nan Qi ,  Mir Ashkan Seyedi ,  Marco Fiorentino ,  Raymond G. Beausoleil

IPC: H04B10/00 ,  H04B10/079 ,  H04B10/50 ,  H04B10/54 ,  H04J14/00

Abstract: Examples described herein relate to reducing a magnitude of a supply voltage for a circuit element of an optical transmitter device. In some such examples, the circuit element is a driving element that is to receive a first electrical data signal and to provide a second electrical data signal to an optical element that is to provide an optical data signal. A testing element is to compare the optical data signal to the first electrical data signal to determine whether the optical transmitter device meets a performance threshold. When the device meets the performance threshold, a regulating element is to reduce a magnitude of the supply voltage of the driving element.

公开(公告)号：US10481462B2

公开(公告)日：2019-11-19

申请号：US15768893

申请日：2015-10-27

Applicant: Hewlett Packard Enterprise Development LP

Inventor： Nan Qi ,  Cheng Li ,  Marco Fiorentino

IPC: G02F1/21 ,  H03K5/135 ,  H03K5/00 ,  H03M9/00

Abstract: In example implementations, an apparatus includes a serializer, a re-timing buffer coupled to the serializer, and a plurality of segments coupled to the re-timing buffer. The plurality of segments may be used for controlling a timing of an electrical signal. Each one of the plurality of segments may include a segment serializer, a timing control coupled to the segment serializer and a driver coupled to the timing control. In addition, a phase clock may be coupled to the segment serializer and the timing control of each one of the plurality of segments.