Extended reach XFP transceiver with integrated forward error correction
Integrated performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); alarming; amplification, or the like is described in optical transceivers, such as multi-source agreement (MSA)-defined modules. An optical transceiver defined by an MSA agreement can include advanced integrated functions for carrier-grade operation which preserves the existing MSA specifications allowing the optical transceiver to operate with any compliant MSA host device with advanced features and functionality. An XFP module can include integrated circuitry configured to provide forward error correction encoding and decoding; a transmitter communicatively coupled to the integrated circuit; a receiver communicatively coupled to the integrated circuit; and a module housing in which the integrated circuitry, the transmitter, and the receiver are disposed, wherein the module housing is pluggable in a host device configured to operate the pluggable optical transceiver, and wherein the forward error correction encoding and decoding is performed transparently to the host device.
1. A pluggable optical transceiver, comprising:
integrated circuitry configured to provide forward error correction encoding and decoding;
a transmitter communicatively coupled to the integrated circuit, wherein the transmitter comprises a standard negatively chirped laser designed for 80 km transmission distance with a wavelength between 1480 nm and 1533 nm;
a receiver communicatively coupled to the integrated circuit; and
a module housing in which the integrated circuitry, the transmitter, and the receiver are disposed, wherein the module housing is pluggable in a host device configured to operate the pluggable optical transceiver, and wherein the forward error correction encoding and decoding is performed transparently to the host device,
wherein the integrated circuitry, the transmitter, and the receiver provide up to 120 km reach on single mode fiber without external amplifiers or dispersion compensation.
2. The pluggable optical transceiver of claim 1 , wherein the pluggable optical transceiver comprises an XFP transceiver.
3. The pluggable optical transceiver of claim 1 , wherein the transmitter comprises a CWDM wavelength.
4. The pluggable optical transceiver of claim 1 , wherein the receiver comprises an avalanche photodiode.
5. The pluggable optical transceiver of claim 1 , wherein the pluggable optical transceiver comprises an XFP transceiver configured for up to 120 km reach on single mode fiber without external amplifiers or dispersion compensation.
6. The pluggable optical transceiver of claim 5 , wherein, to achieve the 120 km reach on single mode fiber without external amplifiers or dispersion compensation, the transmitter comprises a standard negatively chirped laser designed for 80 km transmission distance with a wavelength between 1480 nm and 1533 nm and the forward error correction encoding and decoding is utilized for additional link margin.
7. The pluggable optical transceiver of claim 1 , further comprising:
an inter-integrated circuit interface to the host device, wherein performance monitoring related to the forward error correction encoding and decoding is conveyed over the inter-integrated circuit interface to the host device.
8. The pluggable optical transceiver of claim 7 , wherein the performance monitoring related to the forward error correction encoding and decoding is conveyed in another defined parameter such that the host device is not modified to support the performance monitoring.
9. The pluggable optical transceiver of claim 8 , wherein the another defined parameter comprises laser bias current.
10. The pluggable optical transceiver of claim 1 , wherein the integrated circuitry is configured to perform either a host loopback or a line loopback.
11. An extended reach 10 Gigabit Small Form Factor Pluggable (XFP) transceiver, comprising:
circuitry communicatively coupled to an XFP-compliant host device, the circuitry configured to perform forward error correction within the extended reach XFP transceiver in a transparent manner to the XFP-compliant host device;
a transmitter communicatively coupled to the circuitry, the transmitter configured to perform extended reach without amplification or dispersion compensation;
a receiver communicatively coupled to the circuitry; and
a module housing in which the circuitry, the transmitter, and the receiver are disposed, wherein the module housing is pluggable in an XFP-compliant host device,
wherein the transmitter comprises a standard negatively chirped laser designed for 80 km transmission distance with a wavelength between 1480 nm and 1533 nm, and wherein the receiver comprises an avalanche photodiode.
12. The extended reach XFP transceiver of claim 11 , further comprising:
an inter-integrated circuit interface to the XFP-compliant host device, wherein performance monitoring related to the forward error correction is conveyed over the inter-integrated circuit interface to the XFP-compliant host device.
13. The extended reach XFP transceiver of claim 11 , wherein performance monitoring related to the forward error correction encoding and decoding is conveyed in another defined parameter such that the XFP-compliant host device is not modified to support the performance monitoring.
14. The extended reach XFP transceiver of claim 13 , wherein the another defined parameter comprises laser bias current.
15. The extended reach XFP transceiver of claim 11 , wherein the integrated circuitry is configured to perform either a host loopback or a line loopback.
16. A 10 Gigabit Small Form Factor Pluggable Module, comprising:
an XFI interface to an XFP-compliant host device;
integrated circuitry coupled to the XFI interface, the integrated circuitry configured to perform forward error correction within the 10 Gigabit Small Form Factor Pluggable Module in a transparent manner to the XFP-compliant host device;
a transmitter coupled to the integrated circuitry, the transmitter comprising a standard negatively chirped laser with a wavelength between 1480 nm and 1533 nm; and
an avalanche photodiode receiver coupled to the integrated circuitry;
wherein the 10 Gigabit Small Form Factor Pluggable Module is configured for up to 120 km reach on single mode fiber without external amplifiers or dispersion compensation.