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Proceedings Paper

Unpreamplified heterodyne detection of 10Gb/s NRZ-OOK with high receiver sensitivity
Author(s): D. Becker; C. Wree; D. Mohr; A. Joshi
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Paper Abstract

We report -31 dBm receiver sensitivity for heterodyne detection of 10 Gb/s OOK without using an optical pre-amplifier. These are the highest receiver sensitivities for unpreamplified heterodyne 10 Gb/s detection. We also show the development of a coherent heterodyne balanced fiber optic receiver. The receiver incorporates a DFB or a solid state laser local oscillator, balanced PIN photodiodes, RF post amplifier, automatic frequency control (AFC), phase locked loop (PLL), polarization control, and precision power supplies in a small instrument case. We will show shot noise limited detection of amplitude modulated signals, cancellation of laser RIN noise, performance improvement using balanced detection at 2.5 and 10 Gb/s, and IF linewidth reduction.

Paper Details

Date Published: 3 October 2006
PDF: 9 pages
Proc. SPIE 6353, Optical Transmission, Switching, and Subsystems IV, 63532Z (3 October 2006); doi: 10.1117/12.688425
Show Author Affiliations
D. Becker, Discovery Semiconductors (United States)
C. Wree, Discovery Semiconductors (United States)
D. Mohr, Discovery Semiconductors (United States)
A. Joshi, Discovery Semiconductors (United States)


Published in SPIE Proceedings Vol. 6353:
Optical Transmission, Switching, and Subsystems IV
Chang Soo Park; Shizhong Xie; Curtis R. Menyuk; Ken-ichi Kitayama, Editor(s)

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