Polarization diversity waveguide grating receiver

Details Polarization diversity waveguide grating receiver Polarization diversity waveguide grating receiver

1996-10-15

1998-09-15

Palmer, Phan T. H.

Optical waveguides

Polarization without modulation

385 24, 385 37, 385 15, 359114, 359122, 359189, G02B 600

Patent

active

058091840

ABSTRACT:
A waveguide grating multifrequency receiver (MFR) is described with low polarization sensitivity. Polarization insensitivity is achieved using our polarization diversity scheme in which the TM polarized signal component of the unpolarized received input signal is converted to a second TE polarized signal and both TE polarized signals are made to share a common waveguide grating router and photodetectors. The MFR may be implemented using integrated optical preamplifiers and detectors in indium phosphide (InP).

REFERENCES:
patent: 5127066 (1992-06-01), Poggiolini
Polarisation Compensated Waveguide Grating Router on InP, M. Zirngibl, et al, Electronics Letters, 14 Sep., 1995, vol. 31 No. 1, pp. 1662-1664.
Polarization Independent Coherent Optical Receiver, B. Glance, Journal of Lightwave Technology, IEEE, vol. LT-5, No. 2, Feb., 1987.
InP-Based 2.5 Gbit/s Optically Preamplified WDM Receiver, R. Schimpe, et al, Electronic Letters, 6 Jun., 1996, vol. 32, No. 12, pp. 1141-1142.
Low-Loss Phased-Array Based 4-Channel Wavelength Demultiplexer Integrated with Photo Detectors, M.R. Amersfoort, et al., IEEE Photonics Technology Letters, vol. 6, No. 1, Jan. 1994, pp. 62-64.
WDM Receiver by Monolithic Integration of an Optical Preamplifier, Waveguide Grating Router and Photodiode Arrary, M. Zirngibl, et al, Electronic Letters, 30 Mar., 1995, vol. 31, No. 7, pp. 581-582.
Arrayed-Waveguide Grating Add-Drop Multiplexer with Loop-Back Optical Paths, Y. Tachikawa, et al, Electronics Letters 25, Nov. 1993, vol. 29, No. 24 pp. 2133-2134.

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