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Low-Cost Optoelectronic Self-Injection-Locked Oscillators.
- Source :
- IEEE Photonics Technology Letters; 7/1/2008, Vol. 20 Issue 13, p1151-1153, 3p
- Publication Year :
- 2008
-
Abstract
- We demonstrate a new configuration for an optoelectronic self-injection-locked (SIL) oscillator, where a part of the electrical output signal is self-injected after passing through a long optical delay line for output phase-noise reduction. The SIL oscillator consists of an electrical free-running oscillator and a long optical feedback loop. For the compact and low cost configuration, the free-running oscillator is realized with an InP HPT-based monolithic oscillator and electrical-to-optical conversion is carried out by two low-speed and low-cost laser diodes. With this new configuration, we achieve more than 55-dB phase-noise reduction at 10-kHz frequency offset from the center frequency of about 10.8 GHz by injecting 8-dBm optical signals without using any high-speed optoelectronic components. [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 10411135
- Volume :
- 20
- Issue :
- 13
- Database :
- Complementary Index
- Journal :
- IEEE Photonics Technology Letters
- Publication Type :
- Academic Journal
- Accession number :
- 52131345
- Full Text :
- https://doi.org/10.1109/LPT.2008.925189