Modal noise reduction in analog fiber optic links by superposition of high-frequency modulation

Petar Kiril Pepeljugoski; Kam Y. Lau

doi:10.1117/12.24891

1 February 1991 Modal noise reduction in analog fiber optic links by superposition of high-frequency modulation

Proceedings Volume 1371, High-Frequency Analog Fiber Optic Systems; (1991) https://doi.org/10.1117/12.24891
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

Detailed analysis has been performed of modal noise reduction by superposition of high frequency modulation. Data obtained revealed that, for both direct and external modulation, the modal noise reduction factor depends on the modulation frequency and fiber length. The fiber mode coupling, chromatic dispersion, and the mode partition noise have been neglected in the analysis. Experimental results confirmed that, for multimode fiber, the modal noise reduction depends almost only on the modulation depth.

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Petar Kiril Pepeljugoski and Kam Y. Lau "Modal noise reduction in analog fiber optic links by superposition of high-frequency modulation", Proc. SPIE 1371, High-Frequency Analog Fiber Optic Systems, (1 February 1991); https://doi.org/10.1117/12.24891

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KEYWORDS

Modulation

Modes of laser operation

Analog electronics

Denoising

Fiber optics

Superposition

Multimode fibers

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