Experimental Study of a Hybrid Small-Signal Parameter Modeling and Extraction Method for a Microoptoelectronic Device

Jae Ho Han, Sung Woong Park

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In the device performance variation and control for microdevices, accurate models are critical for predicting dc behaviors as well as high-frequency behaviors. Thus, acquiring the characteristics of an optoelectronic device is essential for estimating its application to high-throughput control systems. In particular, we present an experimental and analytical investigation for extracting the parameters and intrinsic properties of an optoelectronic microdevice. Our study utilizes a near-infrared, InGaAsP buried heterostructure, multiquantum well distributed-feedback laser. We utilize a modified frequency response model and the conventional method of subtracting frequency responses in two different bias currents above the laser threshold current to attain the resonance frequency and damping factor using a simple four-parameter curve-fitting procedure. With this method, we were able to acquire the intrinsic properties of the laser and its frequency response. In addition, the series resistance, which is drawn directly from a modified current-voltage (I-V) curve, can explicitly reflect the operation of the laser below and above the threshold current. The parasitic capacitance was found by comparing the measured and extracted intrinsic frequency responses. Our extracted results agree well with previously published results.

Original languageEnglish
Article number6998090
Pages (from-to)3285-3290
Number of pages6
JournalIEEE/ASME Transactions on Mechatronics
Volume20
Issue number6
DOIs
Publication statusPublished - 2015 Dec 1

Fingerprint

Frequency response
Optoelectronic devices
Lasers
Bias currents
Distributed feedback lasers
Curve fitting
Heterojunctions
Capacitance
Damping
Throughput
Infrared radiation
Control systems
Electric potential

Keywords

  • Control systems
  • frequency response
  • optoelectronic devices
  • parameter estimation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Systems Engineering
  • Computer Science Applications

Cite this

Experimental Study of a Hybrid Small-Signal Parameter Modeling and Extraction Method for a Microoptoelectronic Device. / Han, Jae Ho; Park, Sung Woong.

In: IEEE/ASME Transactions on Mechatronics, Vol. 20, No. 6, 6998090, 01.12.2015, p. 3285-3290.

Research output: Contribution to journalArticle

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