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Byoung Whi Kim, Han Hyub Lee, Jie Hyun Lee, Bong Tae Kim: Wavelength division multiplexing-passive optical network system. Electronics and Telecommunications Research Institute, Rabin & Berdo P C, April 14, 2015: US09008513 (121 worldwide citation)

The present invention proposes a wavelength division multiplexing-passive optical network (WDM-PON) system which transmits downstream data to an optical network unit (ONU) as an optical line termination (OLT) receives seed light from a spectrum-sliced external light source module. One characteristic ...


2
Jae Won Song, Jong Hoon Lee: Dense wavelength division multiplexing-passive optical network system utilizing self-injection locking of Fabry-Perot laser diodes. Jun Kook Choi, Cantor Colburn, January 23, 2007: US07167649 (8 worldwide citation)

Disclosed is a dense wavelength division multiplexing-passive optical network (DWDM-PON) system utilizing self-injection locking of Fabry-Perot laser diodes, in which output optical signals of different wavelengths are partially fed back by a partial mirror, so as to injection-lock the Fabry-Perot l ...


3
Song Jae Won, Lee Jong Hoon, Park No Wook, Seo Jun Hyok, Jeon Man Shik, Jang Suck Woo, Baek Jang Ki: Wavelength division multiplexing passive optical network system. Choi Jun Kook, February 11, 2004: EP1388963-A2 (7 worldwide citation)

Disclosed is a wavelength division multiplexing passive optical network (WDM PON) system in which an optical signal outputted from a central office is injected into a Fabry-Perot laser diode (F-P LD) as the light source of an optical network unit, so that the output wavelength of the optical network ...


4
Dae Kwang Jung, Yun Je Oh, Seong Taek Hwang: Self-healing wavelength division multiplexing-passive optical network system. Samsung Electronics, Cha & Reiter L L C, October 16, 2007: US07283748 (6 worldwide citation)

A self-healing WDM (Wavelength Division Multiplexing)-PON (Passive Optical Network) system is disclosed and includes a CO (Central Office), a RN (Remote Node) and a plurality of subscriber units. The system includes a trunk working fiber and a trunk protection fiber for connecting the CO with the RN ...


5
Lee Chang Hee, Lee Sang Mook, Mun Sil Gu: Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method. Korea Advanced Institute Of Science And Technology, Lee Chang Hee, Lee Sang Mook, Mun Sil Gu, SONG Byeong Ok, July 5, 2007: WO/2007/074979 (4 worldwide citation)

The present invention discloses a multiple star wavelength division multiplexing passive optical network system using a wavelength assignment method. In a multiple star wavelength division multiplexing passive optical network system using a wavelength assignment method according to the present inven ...


6
Jung Dae Kwang, Oh Yun Je, Hwang Seong Taek: Self-healing wavelength division multiplexing passive optical network system. Samsung Electronics, January 12, 2005: EP1496634-A2 (3 worldwide citation)

A self-healing WDM (Wavelength Division Multiplexing) - PON (Passive Optical Network) system is disclosed and includes a CO (Central Office), a RN (Remote Node) and a plurality of subscriber units. The system includes a trunk working fiber and a trunk protection fiber for connecting the CO with the ...


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Dekun Liu, Yusheng Bai, Huafeng Lin, Zhiguang Xu: Optical transceiver apparatus and wavelength division multiplexing passive optical network system. Huawei Technologies, Slater & Matsil L, March 3, 2015: US08971709 (2 worldwide citation)

An optical transceiver apparatus includes a gain medium, a photoelectric converter, at least one AWG, and a partial reflection mirror. The at least one AWG includes two common ports and multiple branch ports. One of the two common ports functions as a signal sending port, and the other functions as ...


9
Wayne V Sorin, Hee Yeal Rhy, Pavle Sedic: Periodically filtered broadband light source. Novera Optics, Blakely Sokoloff Taylor & Zafman, November 30, 2010: US07843629 (2 worldwide citation)

Embodiments of a periodically filtered broadband light source are described. The periodically filtered broadband light source includes a periodic spectral filter coupled to an optical gain element to generate a light and to filter the light into a plurality of individual spectral slices. The broadba ...


10
Soo Jin Park, Kil Ho Song: Wavelength division multiplexing-passive optical network system. KT Corporation, Knobbe Martens Olson & Bear, September 29, 2009: US07596319 (2 worldwide citation)

A wavelength division multiplexing-passive optical network (WDM-PON) system includes a light source provider configured to wavelength-division-multiplex a laser light source of a wavelength allotted to each subscriber and optical-power-divide the multiplexed light source, a plurality of optical line ...