摘要:
An optical modulator that modulates an optical beam through directed through an integrated circuit die. In one embodiment, the optical beam is directed into and out of a flip chip packaged integrated circuit die. In one embodiment, the optical modulator includes a resonant cavity structure. In one embodiment, the resonant cavity structure is disposed in the dielectric layer of the integrated circuit die. In one embodiment, the optical beam is directed into the integrated circuit die and through the resonant cavity structure and is modulated in response to an integrated circuit signal of the integrated circuit die. In one embodiment, the optical beam is modulated by modulating the resonant wavelength of the resonant cavity structure in response to the integrated circuit signal. A modulated optical beam is directed from the resonant cavity structure back out of the integrated circuit die.
摘要:
An optical modulator that modulates light through the semiconductor substrate through the back side of an integrated circuit die. In one embodiment, an optical modulator is disposed within a flip chip packaged integrated circuit die. The optical modulator includes a modulation region through which an optical beam is passed a plurality of times. In one embodiment, the optical beam enters through the back side of the semiconductor substrate at a first location and the modulated optical beam is deflected out through a second location on the back side of the semiconductor substrate. The interaction length of the optical modulator is increased by internally deflecting and passing the optical beam through the modulation region a plurality of times. In one embodiment, total internal reflection is used to deflect the optical beam. In another embodiment, reflective materials are used to internally deflect the optical beam. In one embodiment, the modulation region is provided with a charged region formed with a p-n junction. In another embodiment, the charged region is provided using metal-oxide-semiconductor type structures.
摘要:
An optical steering method and apparatus. In one aspect of the present invention, the disclosed apparatus includes a multi-mode interference (MMI) device disposed in a semiconductor substrate. The MMI device includes an input and a plurality of outputs Each one of the plurality of outputs of the MMI device is optically coupled to the input of the MMI device. A phase array is disposed in the semiconductor substrate. The phase array includes a plurality of inputs and a plurality of outputs. The plurality of inputs of the phase array optically are coupled to the plurality of outputs of the phase array. The phase array is coupled to control relative phase differences between optical beams output by each one of the plurality of outputs of the phase array.
摘要:
A device for switching an optical beam. In one embodiment, the disclosed optical switching device includes an array of trench capacitors providing a phase array disposed between an optical input port and an optical output port in a semiconductor substrate of an integrated circuit die. In one embodiment, the trench capacitors are biased with control circuitry disposed in the semiconductor substrate on the same integrated circuit die. In one embodiment, the array of trench capacitors are biased by the control circuitry to control a charge distribution in the array to switch an optical beam passing from the optical input port through the array of trench capacitors to the optical output port. In another embodiment, there are a plurality of N optical output ports opposite the optical input port and a phase array is provided by the array of trench capacitors. The array of trench capacitors is biased to control a charge distribution across the phase array. Thus, an incident optical beam from the optical input port is selectively directed to any one of the plurality of N optical output ports. In yet another embodiment, there are a plurality of M optical input ports and corresponding phase arrays opposite the plurality of M optical output ports to provide an M×N optical switch.
摘要:
A semiconductor waveguide based optical receiver is disclosed. An apparatus according to aspects of the present invention includes an absorption region including a first type of semiconductor region proximate to a second type of semiconductor region. The first type of semiconductor is to absorb light in a first range of wavelengths and the second type of semiconductor to absorb light in a second range of wavelengths. A multiplication region is defined proximate to and separate from the absorption region. The multiplication region includes an intrinsic semiconductor region in which there is an electric field to multiply the electrons created in the absorption region.
摘要:
A semiconductor waveguide based optical receiver is disclosed. An apparatus according to aspects of the present invention includes an absorption region including a first type of semiconductor region proximate to a second type of semiconductor region. The first type of semiconductor is to absorb light in a first range of wavelengths and the second type of semiconductor to absorb light in a second range of wavelengths. A multiplication region is defined proximate to and separate from the absorption region. The multiplication region includes an intrinsic semiconductor region in which there is an electric field to multiply the electrons created in the absorption region.
摘要:
A semiconductor waveguide based optical receiver is disclosed. An apparatus according to aspects of the present invention includes an absorption region including a first type of semiconductor region proximate to a second type of semiconductor region. The first type of semiconductor is to absorb light in a first range of wavelengths and the second type of semiconductor to absorb light in a second range of wavelengths. A multiplication region is defined proximate to and separate from the absorption region. The multiplication region includes an intrinsic semiconductor region in which there is an electric field to multiply the electrons created in the absorption region.
摘要:
A semiconductor waveguide based optical receiver is disclosed. An apparatus according to aspects of the present invention includes an absorption region including a first type of semiconductor region proximate to a second type of semiconductor region. The first type of semiconductor is to absorb light in a first range of wavelengths and the second type of semiconductor to absorb light in a second range of wavelengths. A multiplication region is defined proximate to and separate from the absorption region. The multiplication region includes an intrinsic semiconductor region in which there is an electric field to multiply the electrons created in the absorption region.
摘要:
An optical steering method and apparatus. In one aspect of the present invention, the disclosed apparatus includes a multi-mode interference (MMI) device disposed in a semiconductor substrate. The MMI device includes an input and a plurality of outputs. Each one of the plurality of outputs of the MMI device is optically coupled to the input of the MMI device. A phase array is disposed in the semiconductor substrate. The phase array includes a plurality of inputs and a plurality of outputs. The plurality of inputs of the phase array optically are coupled to the plurality of outputs of the phase array. The phase array is coupled to control relative phase differences between optical beams output by each one of the plurality of outputs of the phase array.
摘要:
Sidewall photodetectors for integrated photonic devices and their method of manufacture. An embodiment includes a p-i-n film stack formed on a sidewall of a substrate semiconductor feature having sufficiently large area to accommodate the spot size of a multi-mode fiber. An embodiment includes a first sidewall photodetector coupled to a second sidewall photodetector by a waveguide, the first sidewall photodetector having an i-layer tuned to absorb a first wavelength of light incident to the first sidewall and pass a second wavelength of light to the second sidewall photodetector having an i-layer tuned to absorb the second wavelength.