Real-time dynamic chirp measurements of optical signal

Details Real-time dynamic chirp measurements of optical signal Real-time dynamic chirp measurements of optical signal

1998-10-13

1999-11-30

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Modulation

372 64, 372 38, 372700, 372 31, 372 23, H01S 310

Patent

active

059955244

ABSTRACT:
A method of and apparatus for measuring chirp passes an input modulated optical signal through a Waveguide Grating Router (WGR) and processes the signals from adjacent WGR output ports in an oscilloscope, to obtain the real-time dynamic chirp measurements of the modulated optical signal.

REFERENCES:
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patent: 5524014 (1996-06-01), Kaminow et al.
C. Dragone, "An N .times. N Optical Multiplexer Using a Planar Arrangement of Two Star Couplers," IEEE Photon. Technol. Lett., vol. 3, No. 9, pp. 812-815, 1991.
R. A. Linke, "Modulation Induced Transient Chirping in Single Frequency Lasers," IEEE J. Quantum Electron., vol. QE-21, No. 6, pp. 593-597, 1985.
N. S. Bergano, "Wavelength Discriminator Method for Measuring Dynamic Chirp in DFB Lasers," Electron. Lett., vol. 24, No. 20, pp. 1296-1297, 1988.
R. A. Saunders, J. P. King and I. Hardcastle, "Wideband chirp measurement technique for high bit rate sources," Electron. Lett., vol. 30, No. 16, pp. 1336-1337, 1994.

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