公开(公告)号：US08837542B1

公开(公告)日：2014-09-16

申请号：US14080297

申请日：2013-11-14

Applicant: Electronics and Telecommunications Research Institute

Inventor： Choong-Reol Yang ,  Sang-Soo Lee

IPC: H01S3/00 ,  H01S5/06

CPC classification number: H01S5/0427 ,  H01S5/06226 ,  H04B10/504

Abstract: A laser diode driving apparatus for optical communication is provided so as to prepare a low-price and low-power optical transmission and reception apparatus by realizing the high performance laser diode driving apparatus for optical communication with a structure appropriate for a multichannel array that can easily and effectively provide stable bandwidths and high gains of the optical communication laser diode at a transmission end of the optical transmission and reception apparatus.

Abstract translation: 提供了一种用于光通信的激光二极管驱动装置，以便通过实现具有适于多通道阵列的结构的用于光通信的高性能激光二极管驱动装置来制备低价格和低功率的光发送和接收装置，其可以容易地 并且在光发送和接收装置的发送端有效地提供光通信激光二极管的稳定带宽和高增益。

公开(公告)号：US08989227B1

公开(公告)日：2015-03-24

申请号：US14319567

申请日：2014-06-30

Applicant: Electronics and Telecommunications Research Institute

Inventor： Choong-Reol Yang

IPC: H01S3/00 ,  H01S5/068 ,  H01S5/183

CPC classification number: H01S5/06832 ,  H01S5/0427 ,  H01S5/06213 ,  H01S5/06804 ,  H01S5/183

Abstract: In a VCSEL driver for automatic bias control and automatic modulation control, the VCSEL driver includes: a feedback module configured to receive an output of a VCSEL to provide a bias signal through a feedback loop; an automatic bias control block configured to adjust a bias current by switching on or off a plurality of power sources, which are connected in parallel with each other; an automatic modulation control block configured to connect in parallel a plurality of bias transistors that are connected to each of the plurality of power sources, and to adjust modulation current by switching each of the plurality of bias transistors on or off; and a main driver configured to provide the VCSEL with a drive current including the bias current and the modulation current, which are adjusted by control of each of the control blocks.

Abstract translation: 在用于自动偏置控制和自动调制控制的VCSEL驱动器中，VCSEL驱动器包括：反馈模块，被配置为接收VCSEL的输出以通过反馈回路提供偏置信号; 自动偏置控制块，被配置为通过接通或关闭彼此并联连接的多个电源来调节偏置电流; 自动调制控制块，其被配置为并联连接到多个电源中的每一个的多个偏置晶体管，并且通过切换所述多个偏置晶体管中的每一个来调节调制电流; 以及主驱动器，其被配置为向VCSEL提供包括偏置电流和调制电流的驱动电流，其通过每个控制块的控制来调节。