Check patentability & draft patents in minutes with Patsnap Eureka AI!

Structure and Application of a Sunken Directly Modulated Laser and Driver

A technology of lasers and drivers, which is applied to lasers, laser components, semiconductor lasers, etc., can solve the problems of increasing the power consumption of the driver circuit and high current consumption of the driver, and achieve the effects of small size, simplified production and improved performance

Active Publication Date: 2021-06-22
成都英思嘉半导体技术有限公司
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In both configurations, the driver consumes additional current I due to current modulation in driver , resulting in higher current consumption of the driver
This additional current consumption in the driver increases the power consumption of the driver circuit

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Structure and Application of a Sunken Directly Modulated Laser and Driver
  • Structure and Application of a Sunken Directly Modulated Laser and Driver
  • Structure and Application of a Sunken Directly Modulated Laser and Driver

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] In the following, the present invention will be further described in detail in conjunction with the accompanying drawings and embodiments, so as to make the purpose, technical solutions and advantages of the present invention more clear. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] image 3 The topology of a sinking DML and driver according to an exemplary embodiment of the present invention is shown. In the topology of this embodiment, the DML and the driver are connected in series, and the anode of the DML serves as the RF ground RF GND, while the cathode of the DML passes the driver current I driver And is modulated. The total current I of the DML laser laser sinks, flows into, or sucks into the drive, so I driver with I laser equal. This series sink DML driver is the most efficient topology because the driver is in series with the laser and the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses the structure and application of a sunken directly modulated laser and a driver, which can reduce the power consumption of the driver and improve the high-speed performance of the driver, and has high integration and small volume. In this structure, the DML and the driver are connected in series; the anode of the DML is used as the RF ground, and the cathode of the DML is connected to the RF connection node of the driver; the RF input signal is converted into the driver current by the driver to modulate the DML current; the DML current is all sunk into, sinks into, or sinks into, the driver, and the driver current is equal to the DML current.

Description

technical field [0001] The present invention relates to the technical field of directly modulated laser (Directly Modulated Laser, DML) driving, in particular to a structure and application of a sunken directly modulated laser and a driver. Background technique [0002] Directly modulated lasers are widely used in optical communications using single-mode fibers. DML is more advantageous in terms of cost and power than other solutions, such as Electrically Modulated Laser (EML) or Mach-Zehnder (MZ) modulators that require an external laser. As the packaging structure of optical modules in the optical communication market continues to shrink (for example, from CFP to QSFP28 for 100Gbs applications), there is an increasing need to reduce power consumption in optical modules to achieve more effective thermal management in a smaller space. [0003] Current modulation in DMLs produces light modulations for data transmission over optical fibers. The current in a laser is typicall...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01S5/042
CPCH01S5/042
Inventor 维卡斯·马南
Owner 成都英思嘉半导体技术有限公司
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com