Optical amplifier noise figure reduction for optical single-sideband signals

Author

Griffin, Robert A. ; Lane, P.M. ; O´Reilly, J.J.

Author_Institution

Dept. of Electron. & Electr. Eng., Univ. Coll. London, UK

Volume

17

Issue

10

fYear

1999

fDate

10/1/1999 12:00:00 AM

Firstpage

1793

Lastpage

1796

Abstract

This paper analyzes the amplification of optical single-sideband signals, highlighting the significance of the optical signal bandwidth in determining signal-amplified spontaneous emission (ASE) beat noise. It predicts that an electrical noise figure of one may be realized for single-sideband signals using appropriate optical filtering. It verifies noise figure reduction experimentally, demonstrating an electrical noise figure of 1.1× the spontaneous emission factor of the amplifier, which is 2.6 dB below the limit for conventional intensity modulated signals

Keywords

optical fibre amplifiers; optical fibre communication; optical noise; spontaneous emission; superradiance; telecommunication signalling; electrical noise figure; intensity modulated signals; optical amplifier noise figure reduction; optical filtering; optical signal bandwidth; optical single-sideband signals; signal-amplified spontaneous emission beat noise; single-sideband signals; spontaneous emission factor; Bandwidth; Noise figure; Optical amplifiers; Optical filters; Optical modulation; Optical noise; Semiconductor optical amplifiers; Signal analysis; Spontaneous emission; Stimulated emission;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/50.793752

Filename

793752