Structure and method for optical multichannel receiver
AssigneeTaiwan Semiconductor Manufacturing Company, Ltd.
InventorsTAI-CHUN HUANG, STEFAN RUSU
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Abstract
A method includes: receiving a combined optical signal including a first plurality of optical signals and a second plurality of optical signals; during a first time period, individually generating the first plurality of optical signals by a wavelength division demultiplexer; during a second time period, individually generating the second plurality of optical signals by the wavelength division demultiplexer; and subsequent to the second time period, converting the first plurality of optical signals and the second plurality of optical signals into a plurality of electrical signals respectively.
Claims20
A method, comprising:
- receiving a combined optical signal comprising a first plurality of optical signals and a second plurality of optical signals;
- during a first time period, individually generating the first plurality of optical signals by a wavelength division demultiplexer;
- during a second time period, individually generating the second plurality of optical signals by the wavelength division demultiplexer;
- and
- subsequent to the second time period, converting the first plurality of optical signals and the second plurality of optical signals into a plurality of electrical signals respectively.
A method, comprising:
- receiving a combined optical signal comprising a first plurality of optical signals and a second plurality of optical signals;
- during a first time period, individually generating the first plurality of optical signals by a wavelength division demultiplexer;
- causing a first phase shift on each of the first plurality of optical signals to generate a third plurality of optical signals;
- during a second time period, generating the second plurality of optical signals by the wavelength division demultiplexer;
- causing a second phase shift on each of the second plurality of optical signals to generate a fourth plurality of optical signals;
- and
- subsequent to the second time period, converting the third plurality of optical signals and the fourth plurality of optical signals into a first plurality of electrical signals and a second plurality of electrical signals, respectively.
A semiconductor device, comprising:
- a power splitter configured to receive a combined optical signal comprising a first plurality of optical signals and a second plurality of optical signals;
- a wavelength division demultiplexer configured to:
- during a first time period, individually generating the first plurality of optical signals from the combined optical signal;
- and
- during a second time period, individually generating the second plurality of optical signals from the combined optical signal;
- and
- a plurality of photodetectors configured to convert the first plurality of optical signals and second plurality of optical signals into a first plurality of electrical signals and a second plurality of electrical signals, respectively.
Dependencies are inferred from the claim text.