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Compensation of intermodulation distortion of laser diode by using opto electronically predistorted signals
- Issue Date
- Jun-2006
- Publisher
- JOHN WILEY & SONS INC
- Keywords
- subcarrier multiplexing (SCM); distributed-feedback laser diode (DFB-LD); third intermodulation distortion (IMD3); predistortion spurious-free dynamic range (SFDR)
- Citation
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.48, no.6, pp 1144 - 1148
- Pages
- 5
- Journal Title
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
- Volume
- 48
- Number
- 6
- Start Page
- 1144
- End Page
- 1148
- ISSN
- 0895-2477
1098-2760
- Abstract
- We have experimentally demonstrated the predistortion scheme for linearization of a laser diode which transmits 1.2- and 1.25-GHz RF signal over single-mode fiber. The suppression of intermodulation distortion was achieved by using an additional laser diode to realize the predistorted signals. We have shown a 22.5-dB reduction of the 3(rd)-order intermodulation distortion and an 11-dB improvellient in the spurious-free dynamic range. (c) 2006 Wiley Periodicals, Inc.
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