OSA's Digital Library

Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 29, Iss. 22 — Nov. 15, 2011
  • pp: 3483–3489

The Dynamic Gain Modulation Performance of Adjustable Gain-Clamped Semiconductor Optical Amplifiers (AGC-SOA)

Lin Liu, Craig Michie, Anthony E. Kelly, and Ivan Andonovic

Journal of Lightwave Technology, Vol. 29, Issue 22, pp. 3483-3489 (2011)


View Full Text Article

Acrobat PDF (1040 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations
  • Export Citation/Save Click for help

Abstract

The growth in demand for high bandwidth services has stimulated the deployment of Passive Optical Networks (PONs), directly to the home or to the kerb. In many cases, particularly extended reach PONs which may cover distances of 100 km or more , there is the need for low cost reach extension technologies. Semiconductor Optical Amplifiers (SOAs) have a key role in this context, particularly because upstream traffic is commonly carried at 1.3 μm. Upstream traffic in a PON (from the Optical Network Unit, ONU to the Optical Line Terminal, OLT) is normally Time Division Multiplexed (TDM) with a wide variation in path loss arising from differences in transmission distances and splitting losses. The bursty nature of this traffic combined with a wide dynamic range of signal strength (-15 dBm to -28 dBm—the difference between a very close ONU with a small split ratio and a distant ONU with a high split ratio), places severe demands on the burst mode receiver at the OLT. Conventional fibre amplifiers cannot adjust their gain with packet to packet variations due to their response time. Similarly, conventional SOAs suffer loss of linearity if their bias current and hence gain is rapidly reduced. The paper reports on an adjustable gain-clamped semiconductor optical amplifier (AGC-SOA) designed to maximize the output saturated power while adjusting gain to regulate power differences between packets without loss of linearity. Theoretical modeling predicts that this device is able to modulate gain at nanosecond rates. The analysis is validated experimentally.

© 2011 IEEE

Citation
Lin Liu, Craig Michie, Anthony E. Kelly, and Ivan Andonovic, "The Dynamic Gain Modulation Performance of Adjustable Gain-Clamped Semiconductor Optical Amplifiers (AGC-SOA)," J. Lightwave Technol. 29, 3483-3489 (2011)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-29-22-3483

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

« Previous Article

OSA is a member of CrossRef.

CrossCheck Deposited