Optical waveguides – Temporal optical modulation within an optical waveguide – Electro-optic
Reexamination Certificate
2006-10-24
2006-10-24
Lee, John R. (Department: 2881)
Optical waveguides
Temporal optical modulation within an optical waveguide
Electro-optic
C385S004000, C385S008000, C385S014000, C385S129000, C385S130000, C385S131000, C385S132000, C359S237000, C359S247000, C359S248000, C359S279000, C332S144000, C332S146000, C372S029022, C372S029023, C372S045010, C372S046011, C372S046015, C372S050123
Reexamination Certificate
active
07127129
ABSTRACT:
An apparatus and method for high speed phase modulation of optical beam with reduced optical loss. In one embodiment, an apparatus includes a first region of an optical waveguide disposed in semiconductor material. The first region has a first conductivity type. The apparatus also includes a second region of the optical waveguide disposed in the semiconductor material. The second region has a second conductivity type opposite to the first conductivity type. A first contact is included in the apparatus and is coupled to the optical waveguide at a first location in the first region outside an optical path of an optical beam to be directed through the optical waveguide. The apparatus also includes a first higher doped region included in the first region and coupled to the first contact at the first location to improve an electrical coupling between the first contact and the optical waveguide. The first higher doped region has a higher doping concentration than a doping concentration within the optical path.
REFERENCES:
patent: 3852119 (1974-12-01), Gosney et al.
patent: 4019197 (1977-04-01), Lohstroh et al.
patent: 4093345 (1978-06-01), Logan et al.
patent: 4923264 (1990-05-01), Langer et al.
patent: 5007062 (1991-04-01), Chesnoy
patent: 5023686 (1991-06-01), Helmut et al.
patent: 5027253 (1991-06-01), Lauffer et al.
patent: 5166946 (1992-11-01), Caldwell
patent: 5260960 (1993-11-01), Amann et al.
patent: 5388106 (1995-02-01), Tabuchi
patent: 5422904 (1995-06-01), Gorfinkel et al.
patent: 5434700 (1995-07-01), Yoo
patent: 5461684 (1995-10-01), Vinchant et al.
patent: 5541950 (1996-07-01), Kizuki et al.
patent: 5568502 (1996-10-01), Hironaka
patent: 5610095 (1997-03-01), Zirngibl
patent: 5661825 (1997-08-01), Van Dam et al.
patent: 5684819 (1997-11-01), Zirngibl
patent: 5726462 (1998-03-01), Spahn et al.
patent: 5748358 (1998-05-01), Sugamata et al.
patent: 5838844 (1998-11-01), Van Dam et al.
patent: 5933554 (1999-08-01), Leuthold et al.
patent: 5978402 (1999-11-01), Matsumoto et al.
patent: 5994729 (1999-11-01), Cho
patent: 5999297 (1999-12-01), Penninckx
patent: 6008926 (1999-12-01), Moodie et al.
patent: 6052498 (2000-04-01), Paniccia
patent: 6122414 (2000-09-01), Shimizu
patent: 6147366 (2000-11-01), Drottar et al.
patent: 6151347 (2000-11-01), Noel et al.
patent: 6198853 (2001-03-01), Yamada
patent: 6222963 (2001-04-01), Grand et al.
patent: 6298177 (2001-10-01), House
patent: 6377596 (2002-04-01), Tanaka et al.
patent: 6393169 (2002-05-01), Paniccia et al.
patent: 6434289 (2002-08-01), Paniccia et al.
patent: 6459712 (2002-10-01), Tanaka et al.
patent: 6600842 (2003-07-01), Yamada
patent: 6614821 (2003-09-01), Jikutani et al.
patent: 6757091 (2004-06-01), Nicolaescu et al.
patent: 6778751 (2004-08-01), Tada et al.
patent: 6801676 (2004-10-01), Liu
patent: 6845198 (2005-01-01), Montgomery et al.
patent: 6870969 (2005-03-01), Liu
patent: 6925101 (2005-08-01), Matsumura
patent: 6954558 (2005-10-01), Liu
patent: 6983004 (2006-01-01), Jikutani et al.
patent: 7006717 (2006-02-01), Liu et al.
patent: 2001/0028755 (2001-10-01), Akiyama
patent: 2001/0038655 (2001-11-01), Tanaka et al.
patent: 2002/0051601 (2002-05-01), Hung
patent: 2002/0054724 (2002-05-01), Tada et al.
patent: 2002/0071621 (2002-06-01), Yamada
patent: 2002/0089711 (2002-07-01), Conzone et al.
patent: 2002/0093717 (2002-07-01), Paniccia et al.
patent: 2002/0181828 (2002-12-01), Irwin et al.
patent: 2002/0191886 (2002-12-01), Castoldi et al.
patent: 2003/0002767 (2003-01-01), Hanneman, Jr.
patent: 2003/0095736 (2003-05-01), Kish, Jr. et al.
patent: 2003/0128729 (2003-07-01), Matsumura
patent: 2003/0138179 (2003-07-01), Akiyama et al.
patent: 2003/0198286 (2003-10-01), Belotserkovsky
patent: 2004/0160658 (2004-08-01), Liu
patent: 2004/0208454 (2004-10-01), Montgomery et al.
patent: 2004/0213497 (2004-10-01), Liu
patent: 2004/0228381 (2004-11-01), Jikutani et al.
patent: 2004/0264828 (2004-12-01), Liu
patent: 2005/0123260 (2005-06-01), Liu et al.
patent: 2005/0175305 (2005-08-01), Liu et al.
patent: 2005/0286851 (2005-12-01), Liu et al.
patent: 1 256 825 (2002-11-01), None
patent: WO 02/069004 (2002-09-01), None
Nowak, E.D., et al., “Speed, Power, and Yield Comparison of Thin Bonded SOI versus Bulk CMOS Technologies”, Proceedings 1994 IEEE International SOI Conference, (Oct. 1994), pp. 41-42.
Tang, C.K., et al., “Highly Efficient Optical Phase Modulator in SOI Waveguides”, Electronics Letters, Mar. 16, 1995, vol. 31, No. 6, pp. 451-452.
Zhao, C.Z., et al., “Silicon-On-Insulator Optical Intensity Modulator Based on Waveguide-Vanishing Effect”, Electronics Letters, Aug. 29, 1996, vol. 32, No. 18, pp. 1667-1668.
Cutolo, A., et al., “Silicon Electro-Optic Modulator Based on a Three Terminal Device Integrated in a Low-Loss Single-Mode SOI Waveguide”, Journal of Lightwave Technology, Mar. 1997, vol. 15, No. 3, pp. 505-518.
Dainesi, P., et al., “CMOS Compatible Fully Integrated Mach-Zehnder Interferometer in SOI Technology”, IEEE Photonics Technology Letters, Jun. 2000, vol. 12, No. 6, pp. 660-662.
Blakely , Sokoloff, Taylor & Zafman LLP
Intel Corporation
Lee John R.
Souw Bernard E.
LandOfFree
Method and apparatus for phase shifting an optical beam in... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for phase shifting an optical beam in..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for phase shifting an optical beam in... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3693034