1. An infrastructure management system comprising:
a plurality of networking devices, each networking device having a plurality of ports;
a connectivity manager coupled to each of the plurality of networking devices via a first network, wherein the connectivity manager is configured to communicate with the plurality of networking devices to obtain status of each of the networking devices and port status of each of the plurality of ports;
a database coupled to the connectivity manager and configured to store the port status and networking device status obtained by the connectivity manager;
an infrastructure management device coupled to the connectivity manager via a second network, wherein the infrastructure management device is configured to communicate with the connectivity manager to obtain the port status of the plurality of ports and networking device status;
wherein the infrastructure management device is configured to display one or more virtual networking devices based on the obtained port status and networking device status, each virtual networking device representing one of the plurality of networking devices;
wherein the infrastructure management device is configured to detect user selection of a first port on a first virtual networking device displayed by the infrastructure management device; and
wherein based on the selection of the first port, the infrastructure management device is configured to display a second virtual networking device with an indicator identifying a second port on the second virtual networking device, when the first port and the second port are coupled by a first cable.
2. The system of claim 1, wherein the infrastructure management device determines when the first port and the second port are coupled by the first cable based on cable data from the connectivity manager.
3. The system of claim 2, wherein the cable data includes cable characteristics provided by the first cable.
4. The system of claim 1, wherein the infrastructure management device is further configured to display when the first cable has been incorrectly inserted into either the first port of the second port based on cable data from the connectivity manager.
5. The system of claim 4, wherein the cable data includes cable characteristics provided by the first cable.
6. An infrastructure management device, the device comprising:
a processor configured to obtain port status and networking device status for each of one or more physical networking devices in a system;
a display unit coupled to the processor and configured to display one or more virtual networking devices, each virtual networking device representing one of the one or more physical networking devices based on the port status and networking device status;
a user input element configured to provide user input to the processor;
wherein the processor is configured to wherein the infrastructure management device is configured to detect user selection of a first port on a first virtual networking device displayed by the display unit; and
wherein based on the selection of the first port, the infrastructure management device is configured to display on the display unit a second virtual networking device with an indicator identifying a second port on the second virtual networking device, when the first port and the second port are coupled by a first cable.
7. The device of claim 6, wherein the infrastructure management device determines when the first port and the second port are coupled by the first cable based on cable characteristics provided by the first cable.
8. The device of claim 6, wherein the infrastructure management device is further configured to display on the display unit when the first cable has been incorrectly inserted into either the first port of the second port based on based on cable characteristics provided by the first cable.
9. A method for infrastructure management, the method comprising:
displaying one or more virtual networking devices on a display unit, each virtual networking device representing one or more physical networking devices;
monitoring port status of a first port and a second port to determine when a cable is inserted into the first port or the second port;
detecting at a user input element user selection of the first port on a first virtual networking device displayed by the display unit; and
based on the selection of the first port, displaying a second virtual networking device with an indicator identifying a second port on the second virtual networking device, when the first port and the second port are coupled by a first cable.
10. The method of claim 9, further comprising:
determining when the first port and the second port are coupled by the first cable based on cable data from a connectivity manager coupled to each of the one or more physical networking devices via a first network.
11. The method of claim 10, wherein the cable data includes cable characteristics provided by the first cable.
12. The method of claim 9, further comprising:
displaying on the display unit an indication indicating when the first cable has been incorrectly inserted into either the first port of the second port based on cable data from a connectivity manager coupled to each of the one or more physical networking devices via a first network.
13. The method of claim 12, wherein the cable data includes cable characteristics provided by the first cable.
14. A program product comprising a processor-readable medium on which program instructions are embodied, wherein the program instructions are configured, when executed by at least one programmable processor, to cause the at least one programmable processor to:
output commands to a display unit to display one or more virtual networking devices, each virtual networking device representing one or more physical networking devices;
monitor port status of a first port and a second port to determine when a cable is inserted into the first port or the second port;
detect at a user input element user selection of the first port on a first virtual networking device displayed by the display unit; and
based on the selection of the first port, display a second virtual networking device with an indicator identifying a second port on the second virtual networking device, when the first port and the second port are coupled by a first cable.
15. The program product of claim 14, wherein the program instructions are further configured to cause the at least one programmable processor to:
determine when the first port and the second port are coupled by the first cable based on cable data from a connectivity manager coupled to each of the one or more physical networking devices via a first network.
16. The program product of claim 15, wherein the cable data includes cable characteristics provided by the first cable.
17. The program product of claim 14, wherein the program instructions are further configured to cause the at least one programmable processor to:
display on the display unit an indication indicating when the first cable has been incorrectly inserted into either the first port of the second port based on cable data from a connectivity manager coupled to each of the one or more physical networking devices via a first network.
18. The program product of claim 17, wherein the cable data includes cable characteristics provided by the first cable.
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 apparatus, comprising:
an input waveguide section having a propagation axis and a first width;
a linear taper section coupled to the input waveguide section, the linear taper section having a first edge having a width equal to the first width and a second edge having a second width greater than the first width, wherein the linear taper section tapers at a first angle relative to the propagation axis;
a first branching waveguide;
a second branching waveguide, and
a straight section including a first straight segment extending between the first branching waveguide and the linear taper section and a second straight segment extending between the second branching waveguide and the linear taper section, wherein the first straight segment has a first inner wall and wherein the second straight segment has a second inner wall, wherein the first straight segment and the second straight segment fan-out from a gap between the first inner wall and the second inner wall at the linear taper section, and wherein the first straight segment and the second straight segment fan-out at a second angle different than the first angle, wherein a first trailing edge of the first branching waveguide forms an acute angle with the propagation axis and wherein a second trailing edge of the second branching waveguide form an acute angle with the propagation axis.
2. The apparatus of claim 1, wherein the first branching waveguide and the second branching waveguide are curved.
3. The apparatus of claim 2, wherein the first branching waveguide and the second branching waveguide are curved away from the propagation axis.
4. The apparatus of claim 1, wherein the straight section has outer walls disposed at an acute angle to the propagation axis.
5. The apparatus of claim 1, wherein the input waveguide and the first branching waveguide and the second branching waveguide have equal width, and that width is below 4 \u03bcm.
6. An optical apparatus comprising:
an input waveguide section having a propagation axis;
a linear taper section coupled to the input waveguide section, the linear taper section has a first wall and a second wall each fanning out from the propagation axis at a first angle;
a first branching waveguide having a first trailing edge acutely angled with the propagation axis;
a second branching waveguide having a second trailing edge acutely angled with the propagation axis; and
a straight section coupled between the linear taper section and the first trailing edge of the first branching waveguide and the second trailing edge of the second branching waveguide, the straight section defining a third wall and a fourth wall each fanning-out from the propagation axis at a second angle, wherein the straight section has a first straight segment and a second straight segment spaced apart, by a gap, at the linear taper section, wherein the first angle does not equal the second angle.
7. The optical apparatus of claim 6, wherein the first straight segment is coupled to the first branching waveguide and the second straight segment is coupled to the second branching waveguide.
8. The optical apparatus of claim 6, wherein the first branching waveguide, the second branching waveguide, and the input waveguide each have core sizes at or below 4 \u03bcm\xd74 \u03bcm.
9. The optical apparatus of claim 8, wherein the first branching waveguide has a radius of curvature for a first outer wall less than 3 mm and wherein the second branching waveguide has a radius of curvature for a second outer wall less than 3 mm.
10. An optical switch comprising:
a Y-branch having,
an input waveguide having a propagation axis and a first width, a linear taper section coupled to the input waveguide, the linear taper section having a first edge having a width equal to the first width and a second edge having a second width greater than the first width, wherein the linear taper section tapers at a first angle relative to the propagation axis,
a first branching waveguide,
a second branching waveguide, and
a straight section including a first straight segment extending between the first branching waveguide and the linear taper section and a second straight segment extending between the second branching waveguide and the linear taper section, wherein the first straight section has a first inner wall and wherein the second straight segment has a second inner wall, wherein the first straight segment and the second straight segment fan-out from a gap between the first inner wall and the second inner wall at the linear taper section, and wherein the first straight segment and the second straight segment fan-out at a second angle different than the first angle, wherein a first trailing edge of the first branching waveguide forms an acute angle with the propagation axis and wherein a second trailing edge of the second branching waveguide forms an acute angle with the propagation axis; and
two output waveguides coupled to the Y-branch for selective routing of an input signal from the input waveguide to one of the two output waveguides.
11. The optical switch of claim 10, further comprising a phase shifting element coupled to the Y-branch, such that changes to the phase shifting element selectively route the input signal from the input waveguide to the one of the two output waveguides.
12. The optical switch of claim 10, wherein at least one of the two output waveguides is couped to at least one of the first branching waveguide or the second branching waveguide via evanescent coupling.
13. An optical device comprising:
a first Y-branch having,
an input waveguide having a propagation axis,
a linear taper section coupled to the input waveguide section, the linear taper section having a first wall and a second wall each fanning out from the propagation axis at a first angle,
a first branching waveguide having a first trailing edge acutely angled with the, propagation axis,
a second branching waveguide having a second trailing edge acutely angled with the propagation axis,
a straight section coupled between the linear taper section and the first trailing edge of the first branching waveguide and the second trailing edge of the second branching waveguide, the straight section defining a third wall and a fourth wall each fanning-out from the propagation axis at a second angle, wherein the straight section has a first straight segment and a second straight segment spaced apart, by a gap, at the linear taper section, wherein the first angle does not equal the second angle; and
a second Y-branch having an output waveguide and a pair of branching arms, wherein the first branching waveguide is coupled to one of the pair of branching arms and wherein the second branching waveguide is coupled to the other of the pair of branching arms.
14. The optical device of claim 13, further comprising a phase shifting element disposed to selectively control the amount of an input signal at the first input waveguide that is coupled to the output waveguide.
15. The optical device of claim 13, wherein the input waveguide and the output waveguide are centered about a propagation axis.