Journal
OPTICS LETTERS
Volume 37, Issue 10, Pages 1721-1723Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.37.001721
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Funding
- Generalitat Valenciana [PROMETEO-2010-087]
- UK EPSRC
- [FP7-224312 HELIOS]
- EPSRC [EP/F001428/1, EP/F001428/2] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F001428/1, EP/F001428/2] Funding Source: researchfish
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We describe and demonstrate experimentally a method for photonic mixing of microwave signals by using a silicon electro-optical Mach-Zehnder modulator enhanced via slow-light propagation. Slow light with a group index of similar to 11, achieved in a one-dimensional periodic structure, is exploited to improve the upconversion performance of an input frequency signal from 1 to 10.25 GHz. A minimum transmission point is used to successfully demonstrate the upconversion with very low conversion losses of similar to 7 dB and excellent quality of the received I/Q modulated QPSK signal with an optimum EVM of similar to 8%. (C) 2012 Optical Society of America
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