High performances of InGaP/GaAs MSM photodetectors using Cu/Au Schottky contact

Chang Da Tsai, Yow Jon Lin, Day Shan Liu, Ching Ting Lee

Research output: Contribution to journalArticle

Abstract

We present the high performance of InGaP/GaAs metal-semiconductor-metal photodetectors (MSM-PDs) using copper as the interdigital Schottky electrodes. The devices exhibit ultra-low dark current (70 pA at bias of 10 V) and ultra-fast pulse response (over 9 GHz). The notable dark current characteristic and the absence of trap-induced gain are accredited to the superior properties of InGaP capping layer. The superior performances of InGaP/GaAs MSM-PDs make it promising for data communication.

Original languageEnglish
Pages (from-to)724-731
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4078
Publication statusPublished - 2000 Jan 1

Fingerprint

Marginal Structural Models
MSM (semiconductors)
Photodetector
Gallium Arsenide
Photodetectors
photometers
electric contacts
High Performance
Metals
Contact
Dark Current
Dark currents
dark current
metals
Semiconductors
Semiconductor materials
Data Communication
Trap
Copper
Electrode

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

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abstract = "We present the high performance of InGaP/GaAs metal-semiconductor-metal photodetectors (MSM-PDs) using copper as the interdigital Schottky electrodes. The devices exhibit ultra-low dark current (70 pA at bias of 10 V) and ultra-fast pulse response (over 9 GHz). The notable dark current characteristic and the absence of trap-induced gain are accredited to the superior properties of InGaP capping layer. The superior performances of InGaP/GaAs MSM-PDs make it promising for data communication.",
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High performances of InGaP/GaAs MSM photodetectors using Cu/Au Schottky contact. / Tsai, Chang Da; Lin, Yow Jon; Liu, Day Shan; Lee, Ching Ting.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4078, 01.01.2000, p. 724-731.

Research output: Contribution to journalArticle

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