Comparative evaluation of photonic atm switch architectures

Yoshihiro Nakahirat, Hideki Sunahara, Yuji Oie

Research output: Contribution to journalArticle

Abstract

In this paper, we discuss configurations of photonic ATM (Asynchronous Transfer Mode) switches and their advantages in terms of the number of optical switching devices to be implemented on the system, the number of wavelengths, throughput, broadcast function etc. In particular, we focus on photonic ATM switch architectures which can be built in the near future; that is, with presently available optical and electrical devices. For example, we assume the optical devices such as optical gate switches with 40dB on/off ratio. In this context, we evaluate 17 types of photonic ATM switches; they are 6 types of input buffer type switches, 6 types of output buffer type switches, 4 types of shared buffer switches, and 1 proposed type. From our evaluation, for cell switching, wavelength division switching technologies are desirable compared with space division switching technologies in the sense that the former enables us to build a photonic ATM switch with the less number of optical gate switches. Furthermore, we propose a switch architecture equipped with optical delay line buffers on outputs and electric buffers on inputs. We show that our switch architecture is superior in the number of required optical gate switch elements under the given conditions.

Original languageEnglish
Pages (from-to)473-481
Number of pages9
JournalIEICE Transactions on Communications
VolumeE81-B
Issue number2
Publication statusPublished - 1998
Externally publishedYes

Fingerprint

Optical switches
Switches
Asynchronous transfer mode
Photonics
Wavelength
Electric delay lines
Optical devices
Throughput

Keywords

  • IVDM
  • Optical memory
  • Optical switch
  • Photonic'atm
  • Throughput

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

Comparative evaluation of photonic atm switch architectures. / Nakahirat, Yoshihiro; Sunahara, Hideki; Oie, Yuji.

In: IEICE Transactions on Communications, Vol. E81-B, No. 2, 1998, p. 473-481.

Research output: Contribution to journalArticle

Nakahirat, Yoshihiro ; Sunahara, Hideki ; Oie, Yuji. / Comparative evaluation of photonic atm switch architectures. In: IEICE Transactions on Communications. 1998 ; Vol. E81-B, No. 2. pp. 473-481.
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