Optical transceiver for 40 gigabit/second transmission
First Claim
1. An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber comprising:
- a housing including a base and a cover;
an electrical interface subassembly in the housing with a plurality of XFI electrical interfaces for coupling with an external electrical cable or information system device and for transmitting and/or receiving an information-containing electrical signal having a data rate of at least 10 Gigabit per second on each interface, the electrical interface assembly comprising an SFI-5 signal processing circuit for converting between the information-containing electrical signal and a plurality of SFI-5 signals and a Serdes for converting between the plurality of SFI-5 signals and a plurality of electrical signals having a data rate of at least 10 Gigabit per second;
a fiber optic connector in the housing and adapted for coupling with an external optical fiber for transmitting and/or receiving an optical communications signal having a data rate of at least 40 Gigabit per second;
a transmitter subassembly in the housing for converting the plurality of electrical signals from the Serdes to an optical signal having a data rate of at least 40 Gigabit per second provided to the fiber optic connector; and
a receiver subassembly in the housing for converting an optical signal having a data rate of at least 40 Gigabit per second from the fiber optic connector to corresponding electrical signals provided to the Serdes.
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0 Petitions
Accused Products
Abstract
An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber including a housing having an electrical connector with a plurality of XFI electrical interfaces for coupling with an external electrical cable or information system device and for transmitting and/or receiving an information-containing electrical signal having a data rate of at least 10 Gigabits per second on each interface, and a fiber optic connector adapted for coupling with an external optical fiber for transmitting and/or receiving an optical communications signal having a data rate at least 40 Gigabits per second; and at least one electro-optical subassembly in the housing for converting between an information-containing electrical signal and a modulated optical signal corresponding to the electrical signals.
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Citations
20 Claims
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1. An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber comprising:
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a housing including a base and a cover; an electrical interface subassembly in the housing with a plurality of XFI electrical interfaces for coupling with an external electrical cable or information system device and for transmitting and/or receiving an information-containing electrical signal having a data rate of at least 10 Gigabit per second on each interface, the electrical interface assembly comprising an SFI-5 signal processing circuit for converting between the information-containing electrical signal and a plurality of SFI-5 signals and a Serdes for converting between the plurality of SFI-5 signals and a plurality of electrical signals having a data rate of at least 10 Gigabit per second; a fiber optic connector in the housing and adapted for coupling with an external optical fiber for transmitting and/or receiving an optical communications signal having a data rate of at least 40 Gigabit per second; a transmitter subassembly in the housing for converting the plurality of electrical signals from the Serdes to an optical signal having a data rate of at least 40 Gigabit per second provided to the fiber optic connector; and a receiver subassembly in the housing for converting an optical signal having a data rate of at least 40 Gigabit per second from the fiber optic connector to corresponding electrical signals provided to the Serdes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 13, 14, 15, 16, 17)
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8. An optical transmitter for converting and coupling an information-containing electrical signal with an optical fiber comprising:
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a housing including an electrical connector with an SFI-5 electrical interface for coupling with an external electrical cable or information system device and for transmitting and/or receiving an information-containing electrical signal having a data rate of at least 10 Gigabit per second on each interface, and a fiber optic connector adapted for coupling with an external optical fiber for transmitting and/or receiving an optical communications signal having a data rate of at least 40 Gigabit per second; and at least one electro-optical subassembly in the housing for converting between said plurality of 10 Gigabit per second signals and a modulated optical signal corresponding to the electrical signals including; an electrical interface assembly comprising a reference oscillator, a microprocessor, an SFI-5 signal processing circuit including SFI-5 input/output circuitry, a clock data recovery circuit, lane alignment circuits, a framer and a forward error correction processor for converting between the information-containing electrical signal and a plurality of SFI-5 signals, and a Serdes for converting between the plurality of SFI-5 signals and the plurality of 10 Gigabit per second signals; and a transmitter subassembly including at least first and second lasers operating at different wavelengths and modulated with the plurality of 10 Gigabit per second signals from the Serdes for emitting first and second laser light beams, and an optical multiplexer for receiving said first and second beams and multiplexing the respective optical signals into a single multi-wavelength beam that is coupled to said fiber optic connector for transmitting the optical communications signal to an external optical fiber, at the data rate of at least 40 Gigabit per second. - View Dependent Claims (9, 10, 11, 12, 18, 19, 20)
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Specification