Active/passive monolithically integrated channel filtering...

Details Active/passive monolithically integrated channel filtering... Active/passive monolithically integrated channel filtering...

2006-12-12

2006-12-12

Pak, Sung (Department: 2874)

Optical waveguides

Polarization without modulation

C385S037000

Reexamination Certificate

active

07149373

ABSTRACT:
An InP on-chip polarization splitter is proposed base on an arrayed waveguide grating that is composed of waveguides having birefringence. The present invention also performs channel filtering and demultiplexing that is useful in WDM/DWDM applications. The required waveguide structure is formed using active-passive monolithic integration platforms, providing the integration of the polarization splitter with active devices as well as passive devices.

REFERENCES:
patent: 5838870 (1998-11-01), Soref
patent: 5953479 (1999-09-01), Zhou et al.
patent: 6597841 (2003-07-01), Dingel
patent: 6853769 (2005-02-01), McGreer
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patent: 1 139 126 (2001-10-01), None
patent: 1 191 364 (2002-03-01), None
patent: 05 25 0276 (2005-04-01), None
Vellekoop and Smit, “A Small-Size Polarization Splitter Based on a Planar Optical Phased Array”, J. or Lightwave Tech., vol. 8, No. 1, Jan. 1990, pp. 118-124.

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