Differential processing using an arrayed-waveguide grating

Hirokazu Takenouchi, Hiroyuki Tsuda, Chikara Amano, Takashi Goh, Katsunari Okamoto, Takashi Kurokawa

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This paper reports on time-space conversion-based differential processing of optical signals using a high-resolution arrayed-waveguide grating (AWG) and a spatial filter at a wavelength of 1.55/μm. We clarify the advantages of the AWG device and show where it is applicable. In order to reduce loss at the spatial filter, we propose a new phase-only filter that functions as a differential filter. The difference between the exact differential filter and the proposed phase-only filter is calculated theoretically. We confirm experimentally that the optical pulse can be differentiated by the proposed filter. For application of differential processing, we also proposed a phase modulation to amplitude modulation (PM-AM) conversion and demonstrated the PM-AM conversion at 10Gbit/s signals using a PSK-nonreturn-to-zero (NRZ) format.

Original languageEnglish
Pages (from-to)1252-1257
Number of pages6
JournalIEICE Transactions on Communications
VolumeE82-B
Issue number8
Publication statusPublished - 1999
Externally publishedYes

Fingerprint

Arrayed waveguide gratings
Amplitude modulation
Phase modulation
Phase shift keying
Processing
Laser pulses
Wavelength

Keywords

  • Arrayed-waveguide grating
  • Differential processing
  • Optical fiber communication
  • Optical signal processing
  • Ultrafast optical pulse

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

Takenouchi, H., Tsuda, H., Amano, C., Goh, T., Okamoto, K., & Kurokawa, T. (1999). Differential processing using an arrayed-waveguide grating. IEICE Transactions on Communications, E82-B(8), 1252-1257.

Differential processing using an arrayed-waveguide grating. / Takenouchi, Hirokazu; Tsuda, Hiroyuki; Amano, Chikara; Goh, Takashi; Okamoto, Katsunari; Kurokawa, Takashi.

In: IEICE Transactions on Communications, Vol. E82-B, No. 8, 1999, p. 1252-1257.

Research output: Contribution to journalArticle

Takenouchi, H, Tsuda, H, Amano, C, Goh, T, Okamoto, K & Kurokawa, T 1999, 'Differential processing using an arrayed-waveguide grating', IEICE Transactions on Communications, vol. E82-B, no. 8, pp. 1252-1257.
Takenouchi H, Tsuda H, Amano C, Goh T, Okamoto K, Kurokawa T. Differential processing using an arrayed-waveguide grating. IEICE Transactions on Communications. 1999;E82-B(8):1252-1257.
Takenouchi, Hirokazu ; Tsuda, Hiroyuki ; Amano, Chikara ; Goh, Takashi ; Okamoto, Katsunari ; Kurokawa, Takashi. / Differential processing using an arrayed-waveguide grating. In: IEICE Transactions on Communications. 1999 ; Vol. E82-B, No. 8. pp. 1252-1257.
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