A simple multi-channel spectrum analyzer using an InGaAs array sensor and a diffraction grating is proposed and developed for high-capacity optical transport networks. With the developed multichannel spectrum analyzer, we could measure signal power, wavelength, and optical signal-to-noise ratio of each channel for multi-channel optical signals with 100 GHz and 50 GHz channel spacing, simultaneously. We could measure each channel power and wavelength with a deviation of less than 0.2 dB and 0.063 nm, respectively. We have obtained optical signal-to-noise ratio with a deviation of less than 1.0 dB compared with conventional optical spectrum analyzer in the wide input power range between -42 dBm and -27 dBm per channel.

© 2003 Optical Society of Korea

1. R. Moyer, "Built in OSAs aid new DWDM operations and maintenance," WDM solutions, pp. 87-92, May, 2001
2. N. Antoniades, I. Roudas, R. E. Wagner, and S. F. Habiby, "simulation of ASE noise accumulation in a wavelength add-drop multiplexer cascade," IEEE Photon. Technol. Lett., vol. 9, no. 9, pp. 1274-1276, 1997 [CrossRef]
3. K. Otsuka, T. Maki, Y. Sampei, Y. Tachikawa, N. Fukushima, and T. Chikama, "A high performance optical spectrum monitor with high speed measuring time for WDM optical networks," in European Conference on Optical Communication"97, Edinburgh, Scotland, pp. 147-150, 1997
4. K. Asahi, M. Yamashita, T. Hosoi, K. Nakaya, C. Konishi, and S. Fujita, "Optical performance monitor built into ED FA repeaters for WDM networks," in Optical Fiber Communication Conference "98, Optical Society of America, San Jose, USA, pp. 318-319, 1998
5. K. R. Wildnauer et al., "Optical spectrum analyzer having double-pass monochromator," U.S. Patent 5, 233, 405, 1993

European Conference on Optical Communication'97

• K. Otsuka, T. Maki, Y. Sampei, Y. Tachikawa, N. Fukushima, and T. Chikama, "A high performance optical spectrum monitor with high speed measuring time for WDM optical networks," in European Conference on Optical Communication"97, Edinburgh, Scotland, pp. 147-150, 1997

Optical Fiber Communication Conference '98

• K. Asahi, M. Yamashita, T. Hosoi, K. Nakaya, C. Konishi, and S. Fujita, "Optical performance monitor built into ED FA repeaters for WDM networks," in Optical Fiber Communication Conference "98, Optical Society of America, San Jose, USA, pp. 318-319, 1998

Photonics Technology Letters, IEEE

• N. Antoniades, I. Roudas, R. E. Wagner, and S. F. Habiby, "simulation of ASE noise accumulation in a wavelength add-drop multiplexer cascade," IEEE Photon. Technol. Lett., vol. 9, no. 9, pp. 1274-1276, 1997 [CrossRef]

WDM solutions

• R. Moyer, "Built in OSAs aid new DWDM operations and maintenance," WDM solutions, pp. 87-92, May, 2001

Other

• K. R. Wildnauer et al., "Optical spectrum analyzer having double-pass monochromator," U.S. Patent 5, 233, 405, 1993

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