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Proceedings Paper

Combined PSK/ASK modulation format for the STARNET WDM local-area network
Author(s): Michael James Hickey; Charles F. Barry; Leonid G. Kazovsky
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Paper Abstract

STARNET is a coherent optical wavelength division multiplexed (WDM) local area network. In STARNET, the use of low level amplitude modulation of phase modulated light has been proposed to implement a packet-switched ring network in addition to a high speed circuit- switched network. To verify the feasibility and characterize the effects of amplitude shift- keyed (ASK) modulation on a phase shift-keyed (PSK) receiver, we have measured the sensitivity of a 1.244 Gb/s PSK synchronous heterodyne receiver in the presence of 125 Mb/s ASK modulation. The experiments show that the unmodified (i.e., designed for no ASK modulation) PSK receiver successfully operates with a bit error ratio less than 10-9 and maintains phase-lock in the presence of ASK modulation for ASK modulation indexes less than 0.5.

Paper Details

Date Published: 17 December 1992
PDF: 10 pages
Proc. SPIE 1787, Multigigabit Fiber Communications, (17 December 1992); doi: 10.1117/12.139324
Show Author Affiliations
Michael James Hickey, Stanford Univ. (United States)
Charles F. Barry, Stanford Univ. (United States)
Leonid G. Kazovsky, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 1787:
Multigigabit Fiber Communications
Leonid G. Kazovsky; Karen Liu, Editor(s)

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