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An optical spectrum analyzer for high-speed optical communication systems was developed using a specially fabricated arrayed waveguide grating with a curved surface micromirror output and a linear image sensor. The resolution and dynamic range were investigated theoretically and experimentally, considering the magnification of the imaging system and the characteristics of the image sensor. A spectrum of continuous-wave light from 1543.0 to 1573 nm was successfully observed. Spectra of 8-ps short optical pulses from a mode-locked laser diode operating at 1.5 μm were also successfully observed with a maximum resolution of 15 GHz for 15-fold magnification.
Published in:
Photonics Technology Letters, IEEE
(Volume:17
,
Issue:
2
)
Date of Publication: Feb. 2005
- Page(s):
- 432 - 434
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 8269932
- Digital Object Identifier :
- 10.1109/LPT.2004.840273
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 24 January 2005
- Issue Date :
- Feb. 2005
- Sponsored by :
- IEEE Photonics Society
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