Abstract
Generation of optical vector millimeter-wave (mm-wave) signal based on Mach-Zehnder intensity modulator with frequency multiplication can reduce bandwidth requirement of optical and electrical components. A phase precoding scheme with constellation optimization is experimentally demonstrated in one 144-GHz mm-wave signal generation system with frequency sextupling. The bit-error-ratio (BER) performance at one BER of 3.8 × 10-3, hard-decision forward-error-correction threshold, is improved by over 3 dB using this novel scheme for 4-Gbaud quadrature-phase-shift-keying signal at D-band (110-170 GHz).
| Original language | English |
|---|---|
| Article number | 7934431 |
| Journal | IEEE Photonics Journal |
| Volume | 9 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Jun 2017 |
| Externally published | Yes |
Keywords
- Photonic vector signal generation
- digital signal processing
- frequency sextupling
- phase pre-coding
- receiver sensitivity.
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