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Ultra-low-noise, Br...
Ultra-low-noise, Broadband Phase-Sensitive Optical Amplifiers and Their Applications
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- Tong, Zhi, 1977 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lundström, Carl Peter, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Andrekson, Peter, 1960 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Karlsson, Magnus, 1967 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bogris, Adonis (author)
- National Technical University of Athens (NTUA),National and Kapodistrian University of Athens
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(creator_code:org_t)
- 2012
- 2012
- English.
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In: IEEE Journal of Selected Topics in Quantum Electronics. - 1558-4542 .- 1077-260X. ; 18:2, s. 1016-1032
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https://doi.org/10.1...
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Abstract
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- Frequency non-degenerate phase-sensitive amplifiers (PSAs) have the potential to realize broadband and noiseless amplification. However the rigorous requirement of phase- and wavelength-locking of the input waves has significantly hampered their progress. In this paper, we review recent research on this type of optical amplifier. This work is based on a copier-PSA scheme, which consists of a parametric phase-insensitive copier followed by one or more PSAs. Broadband gain and noise performance of a fiber-based non-degenerate PSA has been characterized, both theoretically and experimentally. A record-low 1.1 dB noise figure was measured at > 26 dB gain, and a clear phase dependent gain was observed. Moreover, potential applications including phase noise squeezing and ultra-low noise, multi-channel and modulation-format-transparent linear amplification with up to 6 dB link noise figure advantage over conventional EDFA-amplified links have been experimentally demonstrated. The prospects and practical challenges of this intriguing amplification technology are also discussed
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
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