Linear cascade GaN-based green light-emitting diodes with invariant high-speed/power performance under high-temperature operation

Jin Wei Shi, P. Y. Chen, C. C. Chen, Jinn-Kong Sheu, Wei-Chi Lai, Yun Chih Lee, Po Shen Lee, Shih Pu Yang, Mount Learn Wu

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We demonstrate the performance of linear cascade green light-emitting diode (LED) arrays suited for use in plastic optical fiber (POF) communications in automobiles or harsh environments. With this three-LED array, driven by the constant voltage bias of an in-car battery output (12 V) we obtain high-speed (∼100-Mb/s eye-opening), high-coupling power (0.9 mW), and a very small variation of coupled power versus temperature [-0.12%°C-1 at room temperature (RT)] for the whole measured temperature range (i.e., RT to 120 °C). Even under high bias current (100 mA) operation, our device can sustain a clear 150-Mb/s eye-opening from RT to 120 °C. The static and dynamic measurement results indicate that the speed and power performance of this device are less sensitive to variations in ambient temperature than are those of the red resonant-cavity LEDs utilized for POF communication.

Original languageEnglish
Pages (from-to)1896-1898
Number of pages3
JournalIEEE Photonics Technology Letters
Volume20
Issue number23
DOIs
Publication statusPublished - 2008 Dec 1

Fingerprint

High temperature operations
Light emitting diodes
plastic fibers
cascades
light emitting diodes
high speed
room temperature
optical fibers
communication
Optical fiber communication
Plastic optical fibers
automobiles
cavity resonators
Temperature
ambient temperature
electric batteries
Cavity resonators
temperature
Bias currents
output

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Shi, Jin Wei ; Chen, P. Y. ; Chen, C. C. ; Sheu, Jinn-Kong ; Lai, Wei-Chi ; Lee, Yun Chih ; Lee, Po Shen ; Yang, Shih Pu ; Wu, Mount Learn. / Linear cascade GaN-based green light-emitting diodes with invariant high-speed/power performance under high-temperature operation. In: IEEE Photonics Technology Letters. 2008 ; Vol. 20, No. 23. pp. 1896-1898.
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Linear cascade GaN-based green light-emitting diodes with invariant high-speed/power performance under high-temperature operation. / Shi, Jin Wei; Chen, P. Y.; Chen, C. C.; Sheu, Jinn-Kong; Lai, Wei-Chi; Lee, Yun Chih; Lee, Po Shen; Yang, Shih Pu; Wu, Mount Learn.

In: IEEE Photonics Technology Letters, Vol. 20, No. 23, 01.12.2008, p. 1896-1898.

Research output: Contribution to journalArticle

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