1. A method for operating a graphics program in a computer, comprising:
performing one or more functions of a Sheet Set Manager in the graphics program,
(a) wherein the Sheet Set Manager manages one or more Sheet Sets, each of the Sheet Sets comprises a collection of zero or more Sheets and Subsets of the Sheets, each of the Sheets comprises a drawing, layout or view, and the Sheet Set Manager manages one or more different views for the Sheets; and
(b) wherein the function comprises an Automatic View Creation, such that the Sheet Set Manager presents a user with a list of the views defined in the Sheet Set and the user places a view from the list onto a Sheet to invoke the Automatic View Creation.
2. The method of claim 1, wherein boundaries for the views are re-defined after creation.
3. The method of claim 1, wherein each of the views is associated with a viewport.
4. The method of claim 1, wherein each of the views is represented by a thumbnail preview image displayed by the Sheet Set Manager.
5. The method of claim 1, wherein the Sheet Set Manager automatically creates one or more different views for the Sheets in response to a user command.
6. The method of claim 5, wherein the user command comprises a drag-and-drop operation.
7. The method of claim 5, wherein the Sheet Set Manager creates a reference to a file containing the automatically created view.
8. The method of claim 5, wherein the Sheet Set Manager creates a viewport displaying a geometric region defined in the automatically created view.
9. The method of claim 5, wherein the automatically created view is placed in a hierarchical representation displayed on the computer.
10. The method of claim 5, wherein the Sheet Set Manager places a label block associated with the automatically created view into the Sheet, with fields to display label information for the automatically created view, which updates automatically if the field’s values change.
11. The method of claim 5, wherein the Sheet Set Manager allows a user to adjust a scale of the automatically created view.
12. An apparatus for operating a graphics program in a computer, comprising:
a graphics program, executed by the computer, and performing one or more functions of a Sheet Set Manager in the graphics program,
(a) wherein the Sheet Set Manager manages one or more Sheet Sets, each of the Sheet Sets comprises a collection of zero or more Sheets and Subsets of the Sheets, each of the Sheets comprises a drawing, layout or view, and the Sheet Set Manager manages one or more different views for the Sheets; and
(b) wherein the function comprises an Automatic View Creation, such that the Sheet Set Manager presents a user with a list of the views defined in the Sheet Set and the user places a view from the list onto a Sheet to invoke the Automatic View Creation.
13. The apparatus of claim 12, wherein boundaries for the views are re-defined after creation.
14. The apparatus of claim 12, wherein each of the views is associated with a viewport.
15. The apparatus of claim 12, wherein each of the views is represented by a thumbnail preview image displayed by the Sheet Set Manager.
16. The apparatus of claim 12, wherein the Sheet Set Manager automatically creates one or more different views for the Sheets in response to a user command.
17. The apparatus of claim 16, wherein the user command comprises a drag-and-drop operation.
18. The apparatus of claim 16, wherein the Sheet Set Manager creates a reference to a file containing the automatically created view.
19. The apparatus of claim 16, wherein the Sheet Set Manager creates a viewport displaying a geometric region defined in the automatically created view.
20. The apparatus of claim 16, wherein the automatically created view is placed in a hierarchical representation displayed on the computer.
21. The apparatus of claim 16, wherein the Sheet Set Manager places a label block associated with the automatically created view into the Sheet, with fields to display label information for the automatically created view, which updates automatically if the field’s values change.
22. The apparatus of claim 16, wherein the Sheet Set Manager allows a user to adjust a scale of the automatically created view.
23. An article of manufacture comprising a program storage device embodying instructions that, when executed by a computer, cause the computer to perform a method for operating a graphics program in a computer, comprising:
performing one or more functions of a Sheer Set Manager in the graphics program,
(a) wherein the Sheet Set Manager manages one or more Sheet Sets, each of the Sheet Sets comprises a collection of zero or more Sheets and Subsets of the Sheets, each of the Sheets comprises a drawing, layout or view, and the Sheer Set Manager manages one or more different views for the Sheets; and
(b) wherein the function comprises an Automatic View Creation, such that the Sheet Set Manager presents a user with a list of the views defined in the Sheet Set and the user places a view from the list onto a Sheet to invoke the Automatic View Creation.
24. The article of claim 23, wherein boundaries for the views are re-defined after creation.
25. The article of claim 23, wherein each of the views is associated with a viewport.
26. The article of claim 23, wherein each of the views is represented by a thumbnail preview image displayed by the Sheet Set Manager.
27. The article of claim 23, wherein the Sheet Set Manager automatically creates one or more different views for the Sheets in response to a user command.
28. The article of claim 27, wherein the user command comprises a drag-and-drop operation.
29. The article of claim 27, wherein the Sheet Set Manager creates a reference to a file containing the automatically created view.
30. The article of claim 27, wherein the Sheet Set Manager creates a viewport displaying a geometric region defined in the automatically created view.
31. The article of claim 27, wherein the automatically created view is placed in a hierarchical representation displayed on the computer.
32. The article of claim 27, wherein the Sheet Set Manager places a label block associated with the automatically created view into the Sheet, with fields to display label information for the automatically created view, which updates automatically if the field’s values change.
33. The article of claim 27, wherein the Sheet Set Manager allows a user to adjust a scale of the automatically created view.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An optical modulator, comprising:
a substrate having an electro-optical effect;
first and second Mach-Zehnder type optical waveguides formed in series on said substrate;
a first signal electrode section provided on said first Mach-Zehnder type optical waveguide for being supplied with a clock signal;
a second signal electrode section provided on said second Mach-Zehnder type optical waveguide for being supplied with a data signal;
a first bias electrode section provided on said first Mach-Zehnder type optical waveguide for being supplied with a bias voltage;
a second bias electrode section provided on said second Mach-Zehnder type optical waveguide for being supplied with another bias voltage;
a first coupler provided on the outgoing side of said first Mach-Zehnder type optical waveguide for fetching monitor light;
a second coupler provided on the outgoing side of said second Mach-Zehnder type optical waveguide for fetching monitor light;
a first monitor photodiode for detecting a light signal of the monitor light fetched by said first coupler;
a second monitor photodiode for detecting a light signal of the monitor light fetched by said second coupler;
a first bias voltage control section for controlling the bias voltage to be supplied to said first bias electrode section based on the light signal detected by said first monitor photodiode; and
a second bias voltage control section for controlling the bias voltage to be supplied to said second bias electrode section based on the light signal detected by said second monitor photodiode;
said first coupler including two input waveguides through one of which light from said first Mach-Zehnder type optical waveguide is inputted, a waveguide coupling element for coupling said two input waveguides with a distance d11, and two output waveguides branched from said waveguide coupling element with a distance d21;
the distance d11 in said waveguide coupling element of said first coupler being set to less than one half of width w011 at a portion at which each of said input waveguides is connected to said waveguide coupling element;
width ww11 of said waveguide coupling element on said input waveguides side being set to 2.5 times to 3.5 times the width w011.
2. An optical modulator, comprising:
a substrate having an electro-optical effect;
first and second Mach-Zehnder type optical waveguides formed in series on said substrate;
a first signal electrode section provided on said first Mach-Zehnder type optical waveguide for being supplied with a clock signal;
a second signal electrode section provided on said second Mach-Zehnder type optical waveguide for being supplied with a data signal;
a first bias electrode section provided on said first Mach-Zehnder type optical waveguide for being supplied with a bias voltage;
a second bias electrode section provided on said second Mach-Zehnder type optical waveguide for being supplied with another bias voltage;
a first coupler provided on the outgoing side of said first Mach-Zehnder type optical waveguide for fetching monitor light;
a second coupler provided on the outgoing side of said second Mach-Zehnder type optical waveguide for fetching monitor light;
a first monitor photodiode for detecting a light signal of the monitor light fetched by said first coupler;
a second monitor photodiode for detecting a light signal of the monitor light fetched by said second coupler;
a first bias voltage control section for controlling the bias voltage to be supplied to said first bias electrode section based on the light signal detected by said first monitor photodiode; and
a second bias voltage control section for controlling the bias voltage to be supplied to said second bias electrode section based on the light signal detected by said second monitor photodiode;
said first coupler including two input waveguides through one of which light from said first Mach-Zehnder type optical waveguide is inputted, a waveguide coupling element for coupling said two input waveguides with a distance d11, and two output waveguides branched from said waveguide coupling element with a distance d21;
the distance d21 in said waveguide coupling element of said first coupler being set to less than one half of width w021 at a portion at which each of said output waveguides is connected to said waveguide coupling element;
width ww21 of said waveguide coupling element on said output waveguides side being set to 2.5 times to 3.5 times the width w021.
3. An optical modulator, comprising:
a substrate having an electro-optical effect;
first and second Mach-Zehnder type optical waveguides formed in series on said substrate;
a first signal electrode section provided on said first Mach-Zehnder type optical waveguide for being supplied with a clock signal;
a second signal electrode section provided on said second Mach-Zehnder type optical waveguide for being supplied with a data signal;
a first bias electrode section provided on said first Mach-Zehnder type optical waveguide for being supplied with a bias voltage;
a second bias electrode section provided on said second Mach-Zehnder type optical waveguide for being supplied with another bias voltage;
a first coupler provided on the outgoing side of said first Mach-Zehnder type optical waveguide for fetching monitor light;
a second coupler provided on the outgoing side of said second Mach-Zehnder type optical waveguide for fetching monitor light;
a first monitor photodiode for detecting a light signal of the monitor light fetched by said first coupler;
a second monitor photodiode for detecting a light signal of the monitor light fetched by said second coupler;
a first bias voltage control section for controlling the bias voltage to be supplied to said first bias electrode section based on the light signal detected by said first monitor photodiode; and
a second bias voltage control section for controlling the bias voltage to be supplied to said second bias electrode section based on the light signal detected by said second monitor photodiode;
said second coupler including two input waveguides through one of which light from said second Mach-Zehnder type optical waveguide is inputted, a waveguide coupling element for coupling said two input waveguides with a distance d12, and two output waveguides branched from said waveguide coupling element with a distance d22;
the distance d12 in said waveguide coupling element of said second coupler being set to less than one half of width w012 at a portion at which said input waveguides are connected to said waveguide coupling element;
width ww12 of said waveguide coupling element on said input waveguides side being set to 2.5 times to 3.5 times the width w012.
4. An optical modulator, comprising:
a substrate having an electro-optical effect;
first and second Mach-Zehnder type optical waveguides formed in series on said substrate;
a first signal electrode section provided on said first Mach-Zehnder type optical waveguide for being supplied with a clock signal;
a second signal electrode section provided on said second Mach-Zehnder type optical waveguide for being supplied with a data signal;
a first bias electrode section provided on said first Mach-Zehnder type optical waveguide for being supplied with a bias voltage;
a second bias electrode section provided on said second Mach-Zehnder type optical waveguide for being supplied with another bias voltage;
a first coupler provided on the outgoing side of said first Mach-Zehnder type optical waveguide for fetching monitor light;
a second coupler provided on the outgoing side of said second Mach-Zehnder type optical waveguide for fetching monitor light;
a first monitor photodiode for detecting a light signal of the monitor light fetched by said first coupler;
a second monitor photodiode for detecting a light signal of the monitor light fetched by said second coupler;
a first bias voltage control section for controlling the bias voltage to be supplied to said first bias electrode section based on the light signal detected by said first monitor photodiode; and
a second bias voltage control section for controlling the bias voltage to be supplied to said second bias electrode section based on the light signal detected by said second monitor photodiode;
said second coupler including two input waveguides through one of which light from said second Mach-Zehnder type optical waveguide is inputted, a waveguide coupling element for coupling said two input waveguides with a distance d12, and two output waveguides branched from said waveguide coupling element with a distance d22;
the distance d22 in said waveguide coupling element of said second coupler being set to less than one half of width w022 at a portion at which each of said output waveguides is connected to said waveguide coupling element;
width ww22 of said waveguide coupling element on said output waveguides side being set to 2.5 times to 3.5 times the width w022.
5. An optical modulator, comprising:
a substrate having an electro-optical effect;
first and second Mach-Zehnder type optical waveguides formed in series on said substrate;
a first signal electrode section provided on said first Mach-Zehnder type optical waveguide for being supplied with a clock signal;
a second signal electrode section provided on said second Mach-Zehnder type optical waveguide for being supplied with a data signal;
a first bias electrode section provided on said first Mach-Zehnder type optical waveguide for being supplied with a bias voltage;
a second bias electrode section provided on said second Mach-Zehnder type optical waveguide for being supplied with another bias voltage;
a first coupler provided on the outgoing side of said first Mach-Zehnder type optical waveguide for fetching monitor light;
a second coupler provided on the outgoing side of said second Mach-Zehnder type optical waveguide for fetching monitor light;
a first monitor photodiode for detecting a light signal of the monitor light fetched by said first coupler;
a second monitor photodiode for detecting a light signal of the monitor light fetched by said second coupler;
a first bias voltage control section for controlling the bias voltage to be supplied to said first bias electrode section based on the light signal detected by said first monitor photodiode; and
a second bias voltage control section for controlling the bias voltage to be supplied to said second bias electrode section based on the light signal detected by said second monitor photodiode;
said first coupler including two first input waveguides through one of which light from said first Mach-Zehnder type optical waveguide is inputted, a first waveguide coupling element for coupling said two first input waveguides with a distance d11, and two first output waveguides branched from said first waveguide coupling element with a distance d21;
said second coupler including two second input waveguides through one of which light from said second Mach-Zehnder type optical waveguide is inputted, a second waveguide coupling element for coupling said two second input waveguides with a distance d12, and two second output waveguides branched from said second waveguide coupling element with a distance d22;
the distances d11 and d21 in said first waveguide coupling element of said first coupler being set to less than one half of widths w01, and w021 at portions at which each of said first input waveguides and each of said first output waveguides are connected to said first waveguide coupling element, respectively;
the widths ww11 and ww21 of said first waveguide coupling element on said first input waveguides side and said first output waveguides side being set to 2.5 times to 3.5 times the widths w011 and w021, respectively;
the distances d12 and d22 in said second waveguide coupling element of said second coupler being set to less than one half of widths w012 and w022 at portions at which each of said second input waveguides and each of said second output waveguides are connected to said second waveguide coupling element, respectively;
the widths ww12 and ww22 of said second waveguide coupling element on said second input waveguides side and said second output waveguides side being set to 2.5 times to 3.5 times the widths w012 and w022, respectively.
6. The optical modulator as claimed in claim 1, wherein the length of said first waveguide coupling element is set so that said two first output waveguides in said first coupler may branch the light from said first waveguide coupling element with a power ratio of 1:1 without depending upon the polarization, and one of said two first output waveguides is used as a signal light propagating waveguide while the other of said two first output waveguides is used as a monitoring waveguide.
7. The optical modulator as claimed in claim 2, wherein the length of said first waveguide coupling element is set so that said two first output waveguides in said first coupler may branch the light from said first waveguide coupling element with a power ratio of 1:1 without depending upon the polarization, and one of said two first output waveguides is used as a signal light propagating waveguide while the other of said two first output waveguides is used as a monitoring waveguide.
8. The optical modulator as claimed in claim 5, wherein the length of said first waveguide coupling element is set so that said two first output waveguides in said first coupler may branch the light from said first waveguide coupling element with a power ratio of 1:1 without depending upon the polarization, and one of said two first output waveguides is used as a signal light propagating waveguide while the other of said two first output waveguides is used as a monitoring waveguide.
9. The optical modulator as claimed in claim 3, wherein the length of said second waveguide coupling element is set so that said two second output waveguides in said second coupler may branch the light from said second waveguide coupling element with a power ratio of 1:1 without depending upon the polarization, and one of said two second output waveguides is used as a signal light propagating waveguide while the other of said two second output waveguides is used as a monitoring waveguide.
10. The optical modulator as claimed in claim 4, wherein the length of said second waveguide coupling element is set so that said two second output waveguides in said second coupler may branch the light from said second waveguide coupling element with a power ratio of 1:1 without depending upon the polarization, and one of said two second output waveguides is used as a signal light propagating waveguide while the other of said two second output waveguides is used as a monitoring waveguide.
11. The optical modulator as claimed in claim 5, wherein the length of said second waveguide coupling element is set so that said two second output waveguides in said second coupler may branch the light from said second waveguide coupling element with a power ratio of 1:1 without depending upon the polarization, and one of said two second output waveguides is used as a signal light propagating waveguide while the other of said two second output waveguides is used as a monitoring waveguide.
12. The optical modulator as claimed in claim 1, wherein the distances d11 and d21 or the distances d12 and d22 are substantially equal to each other, and the widths w011 and w021 or the widths w012 and w022 are substantially equal to each other.
13. The optical modulator as claimed in claim 2, wherein the distances d11 and d21 or the distances d12 and d22 are substantially equal to each other, and the widths w011 and w021 or the widths w012 and w022 are substantially equal to each other.
14. The optical modulator as claimed in claim 3, wherein the distances d11 and d21 or the distances d12 and d22 are substantially equal to each other, and the widths w011 and w021 or the widths w012 and w022 are substantially equal to each other.
15. The optical modulator as claimed in claim 4, wherein the distances d11 and d21 or the distances d12 and d22 are substantially equal to each other, and the widths w011 and w021 or the widths w012 and w022 are substantially equal to each other.
16. The optical modulator as claimed in claim 5, wherein the distances d11 and d21 or the distances d12 and d22 are substantially equal to each other, and the widths w011 and w021 or the widths w012 and w022 are substantially equal to each other.
17. The optical modulator as claimed in claim 1, wherein the widths ww11 and ww21 or the widths ww12 and ww22 of said waveguide coupling element are substantially equal to each other.
18. The optical modulator as claimed in claim 2, wherein the widths ww11 and ww21 or the widths ww12 and ww22 of said waveguide coupling element are substantially equal to each other.
19. The optical modulator as claimed in claim 3, wherein the widths ww11 and ww21 or the widths ww12 and ww12 of said waveguide coupling element are substantially equal to each other.
20. The optical modulator as claimed in claim 4, wherein the widths ww11 and ww21 or the widths ww12 and ww22 of said waveguide coupling element are substantially equal to each other.
21. The optical modulator as claimed in claim 5, wherein the widths ww11 and ww21 or the widths ww12 and ww22 of said waveguide coupling element are substantially equal to each other.
22. The optical modulator as claimed in claim 1, wherein said input waveguides and output waveguides are connected to said waveguide coupling element with an opening angle of 0.5 degrees or more at the connecting portions.
23. The optical modulator as claimed in claim 2, wherein said input waveguides and output waveguides are connected to said waveguide coupling element with an opening angle of 0.5 degrees or more at the connecting portions.
24. The optical modulator as claimed in claim 3, wherein said input waveguides and output waveguides are connected to said waveguide coupling element with an opening angle of 0.5 degrees or more at the connecting portions.
25. The optical modulator as claimed in claim 4, wherein said input waveguides and output waveguides are connected to said waveguide coupling element with an opening angle of 0.5 degrees or more at the connecting portions.
26. The optical modulator as claimed in claim 5, wherein said input waveguides and output waveguides are connected to said waveguide coupling element with an opening angle of 0.5 degrees or more at the connecting portions.