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A 250 Mbps Transmitter with a Resonant Cavity Light Emitting Diode for Plastic Optical Fiber Communication

  • Xiaofeng Shi
  • Xiang Cheng
  • Jifang Li
  • Jiangbing Pan
  • Chao Chen
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 238)

Abstract

For obtaining high performance and low cost, a hybrid integrated transmitter is presented for plastic optical fiber (POF) communication including a 250 Mbps driver with temperature compensation of modulation current and a bonded 650 nm resonant cavity light emitting diode (RCLED) because of their incompatible material. The driver consists of an input buffer, a pre-drive amplifier, a main driver, a temperature compensation circuit to minimize the variation in extinction ratio, and a reference voltage circuit in 0.5 μm BCD (Bipolar, CMOS, and DMOS) technology. The simulation results show that it can provide modulation current of 33 mA, −3 dB bandwidth of 176.4 MHz and the operating speed of 250 Mbps at 5 V. By using the temperature compensation circuit, the modulation current of the driver has increases from 33 mA at 15 °C to 57 mA at 78 °C. The 650 nm RCLED occupying an area of 200 μm × 200 μm is bonded to this provided driver with bonding pads. The transmitter produces the maximal optical power of −1.5 dBm.

Keywords

Optical Power Modulation Current Temperature Compensation Coaxial Cable External Resistor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgment

The authors are indebted to the anonymous referee for their valuable comments on the previous manuscript. This work was supported partially by Natural Science Foundation of Fujian Province, China (No: 2011J01361).

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Xiaofeng Shi
    • 1
  • Xiang Cheng
    • 1
  • Jifang Li
    • 1
  • Jiangbing Pan
    • 1
  • Chao Chen
    • 1
  1. 1.Department of Physics and Mechanical & Electrical EngineeringXiamen UniversityXiamenChina

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