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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0962279 (2015-12-08) |
| 등록번호 | US-9729267 (2017-08-08) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 1 인용 특허 : 502 |
An optical communications system includes an optical transmitter and an optical receiver optically coupled to an optical combiner/splitter, the combiner/splitter coupled to optical media; and, another optical transmitter and another optical receiver optically coupled to another optical combiner/spli
An optical communications system includes an optical transmitter and an optical receiver optically coupled to an optical combiner/splitter, the combiner/splitter coupled to optical media; and, another optical transmitter and another optical receiver optically coupled to another optical combiner/splitter, the another combiner/splitter remotely coupled to the optical media; wherein the optical transmitter and the another optical transmitter are configured to transmit optical signals at substantially the same wavelength.
1. An optical communications system comprising: a first optical transmitter and a first optical receiver optically coupled to a first asymmetric optical combiner/splitter, the first asymmetric combiner/splitter coupled to optical media; anda second optical transmitter and a second optical receiver o
1. An optical communications system comprising: a first optical transmitter and a first optical receiver optically coupled to a first asymmetric optical combiner/splitter, the first asymmetric combiner/splitter coupled to optical media; anda second optical transmitter and a second optical receiver optically coupled to a second asymmetric optical combiner/splitter, the second asymmetric combiner/splitter remotely coupled to the optical media, wherein: each asymmetric combiner/splitter comprises a high transmittance ratio and a low transmittance ratio;the first asymmetric optical combiner/splitter is configured to attenuate a first signal transmitted from the first optical transmitter based on the low transmittance ratio prior to providing the first signal to the optical media;the second asymmetric optical combiner/splitter is configured to attenuate the first signal received from the optical media based on the high transmittance ratio prior to providing the first signal to the first optical receiver;the second asymmetric optical combiner/splitter is configured to attenuate a second signal transmitted from the second optical transmitter based on the low transmittance ratio prior to providing the second signal to the optical media;the first asymmetric optical combiner/splitter is configured to attenuate the second signal received from the optical media based on the high transmittance ratio prior to providing the second signal to the second optical receiver; andthe first optical transmitter and the second optical transmitter are configured to transmit optical signals at substantially a same wavelength. 2. The optical communications system of claim 1, wherein the high transmittance ratio and the low transmittance ratio comprise a combination of ratios that is one of 95/5, 90/10, 85/15, 80/20, 75/25, 70/30, and a ratio therebetween. 3. The optical communications system of claim 2, wherein at least one of the first optical transmitter and the second optical transmitter is substantially insensitive to optical interference received at an operational wavelength. 4. The optical communications system of claim 3, wherein the low transmittance ratio is associated with each of the optical transmitters. 5. The optical communications system of claim 4, wherein the high transmittance ratio is associated with each of the optical receivers. 6. The optical communications system of claim 1, wherein the high transmittance ratio and the low transmittance ratio comprise a combination of ratios that is about 90/10. 7. An optical communications system comprising: a first optical transmitter and a first optical receiver optically coupled to a first asymmetric optical combiner/splitter, the first asymmetric combiner/splitter coupled to optical media comprising a single mode optical fiber; anda second optical transmitter and a second optical receiver optically coupled to a second asymmetric optical combiner/splitter, the second asymmetric combiner/splitter remotely coupled to the optical media, wherein: the first optical transmitter and the second optical transmitter are configured to transmit optical signals at substantially a same wavelength;each asymmetric combiner/splitter comprises a high transmittance ratio associated with each of the optical receivers and a low transmittance ratio associated with each of the optical transmitters, the high transmittance ratio and the low transmittance ratio comprising a combination of ratios that is one of 95/5, 90/10, 85/15, 80/20, 75/25, 70/30, and a ratio therebetween;the first asymmetric optical combiner/splitter is configured to attenuate a first signal transmitted from the first optical transmitter based on the low transmittance ratio prior to providing the first signal to the optical media;the second asymmetric optical combiner/splitter is configured to attenuate the first signal received from the optical media based on the high transmittance ratio prior to providing the first signal to the first optical receiver;the second asymmetric optical combiner/splitter is configured to attenuate a second signal transmitted from the second optical transmitter based on the low transmittance ratio prior to providing the second signal to the optical media; andthe first asymmetric optical combiner/splitter is configured to attenuate the second signal received from the optical media based on the high transmittance ratio prior to providing the second signal to the second optical receiver. 8. An optical network comprising: an optical fiber;a first plurality of optical transmitters and receivers at a first end of the optical fiber, each first optical transmitter and receiver configured to transmit and receive an optical link;a first asymmetric optical combiner/splitter at the first end of the optical fiber, the first asymmetric optical combiner/splitter configured to combine or split two optical links of a same wavelength on a same media;a second plurality of optical transmitters and receivers at a second end of the optical fiber, each second optical transmitter and receiver configured to transmit and receive the optical link;a second asymmetric optical combiner/splitter at the second end of the optical fiber, the second asymmetric optical combiner/splitter configured to combine or split the two optical links of the same wavelength on the same media;a first course wide division multiplex (CWDM) terminal, the first CWDM terminal connected at a first end to the first plurality of optical transmitters and receivers and the first asymmetric optical combiner/splitter and at a second end to the optical fiber, the first CWDM terminal configured to route optical links bi-directionally between the first plurality of optical transmitters and receivers and the first asymmetric optical combiner/splitter and the second plurality of optical transmitters and receivers; anda second course wide division multiplex (CWDM) terminal, the second CWDM terminal connected at a first end to the second plurality of optical transmitters and receivers and the second asymmetric optical combiner/splitter and at a second end to the optical fiber, the second CWDM terminal configured to route optical links bi-directionally between the second plurality of optical transmitters and receivers and the second asymmetric optical combiner/splitter and the first plurality of optical transmitters and receivers;wherein: a first optical transmitter and a first optical receiver among the first plurality of optical transmitters and receivers is optically coupled to the first asymmetric optical combiner/splitter, the first asymmetric combiner/splitter coupled to the first CWDM terminal; anda second optical transmitter and a second optical receiver among the second plurality of transmitters and receivers is optically coupled to the second asymmetric optical combiner/splitter, the second asymmetric combiner/splitter remotely coupled to the second CWDM terminal, wherein: the first asymmetric combiner/splitter and the second asymmetric combiner/splitter each comprise a high transmittance ratio and a low transmittance ratio;the first asymmetric optical combiner/splitter is configured to attenuate a first signal transmitted from the first optical transmitter based on the low transmittance ratio prior to providing the first signal to the first CWDM terminal;the first CWDM terminal is configured to provide the first signal to the second CWDM terminal over the optical fiber;the second asymmetric optical combiner/splitter is configured to attenuate the first signal received from the second CWDM terminal based on the high transmittance ratio prior to providing the first signal to the second optical receiver;the second asymmetric optical combiner/splitter is configured to attenuate a second signal transmitted from the second optical transmitter based on the low transmittance ratio prior to providing the second signal to the second CWDM terminal;the second CWDM terminal is configured to provide the second signal to the first CWDM terminal over the optical fiber; andthe first asymmetric optical combiner/splitter is configured to attenuate the second signal received from the first CWDM terminal based on the high transmittance ratio prior to providing the second signal to the first optical receiver. 9. The optical network of claim 8, wherein the high transmittance ratio and the low transmittance ratio comprise a combination of ratios that is one of 95/5, 90/10, 85/15, 80/20, 75/25, 70/30, and a ratio therebetween. 10. The optical network of claim 8, wherein a combination of the high transmittance ratio and the low transmittance ratio is about 90/10. 11. The optical network of claim 8, wherein at least one of the first plurality of optical transmitters and receivers and at least one of the second plurality of optical transmitters and receivers are substantially insensitive to optical interference received at an operational wavelength, and wherein the optical fiber comprises a single-mode optical fiber. 12. The optical network of claim 8, wherein the low transmittance ratio is associated with each of the optical transmitters and the high transmittance ratio is associated with each of the optical receivers.
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