Co-Propagating Dual-Order Distributed Raman Amplifier Utilizing Incoherent Pumping

Morimoto, M.; Ogoshi, Haruki; Takasaka, Shigehiro; Sano, Akira; Miyamoto, Yutaka

doi:10.1109/lpt.2017.2655043

Cited by 27 publications

(17 citation statements)

References 18 publications

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“…We experimentally confirmed that the RIN was not transferred to the signal at low frequencies. This was achieved using a 100 mW broadband coherent pump instead of an incoherent source demonstrated in [16]. In comparison, the RIN dramatically increased by 10 dB at low frequency (<10 MHz), when narrowband Bi-doped fibre laser or semiconductor laser FW pumping with 89 mW pump power was used, despite these pumps had similar or lower RIN to broadband fibre laser [15].…”

Section: > Replace This Line With Your Paper Identification Number (Dmentioning

confidence: 99%

“…In the simulation, 10×120 Gb/s DP-QPSK channels spaced at 100 GHz were transmitted over 3333 km. Due to large number of channels simulated, the random binary sequence length was reduced to 2 16 -1 compared to a PRBS of length 2 31 -1 in the experiment. The generated signal was oversampled 4 times providing a total simulation bandwidth of ~4 THz.…”

Section: > Replace This Line With Your Paper Identification Number (Dmentioning

confidence: 99%

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RIN Mitigation and Transmission Performance Enhancement With Forward Broadband Pump

Tan

Rosa

et al. 2018

IEEE Photon. Technol. Lett.

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Abstract-We demonstrate that using a broadband, first order, and coherent pump laser enables effective and efficient forwardpumped distributed Raman amplification for long-haul transmission systems, thanks to the simultaneous suppression of ASE noise and RIN-related penalty. We show in both experiments and simulation that this scheme extends the reach of 10 × 120 Gb/s DP-QPSK WDM transmission by a minimum of 50%, compared with low RIN Bi-doped fibre laser and other commercially available pump lasers. Moreover, it requires very low forward pump power, and maintains uniform/symmetric signal power distribution which allows effective nonlinearity compensation.

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Section: > Replace This Line With Your Paper Identification Number (Dmentioning

confidence: 99%

Section: > Replace This Line With Your Paper Identification Number (Dmentioning

confidence: 99%

RIN Mitigation and Transmission Performance Enhancement With Forward Broadband Pump

Tan

Rosa

et al. 2018

IEEE Photon. Technol. Lett.

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“…Recently, higher order pumping schemes have been developed and employed in distributed Raman amplification for improved gain and better suppression of RIN transfer into the signals …”

Section: Raman Amplification In Passive Optical Networkmentioning

confidence: 99%

“…Recently, higher order pumping schemes have been developed and employed in distributed Raman amplification for improved gain and better suppression of RIN transfer into the signals. 11,12 Co-propagating pumps are a cause of high RIN transfer into the signal beam. As the pump power increases, the associated noise power also increases and this noise gets coupled to the signal directly.…”

Section: Ram An a Mp L If I Ca Ti On I N P As S I Ve O P Ti Cal N Ementioning

confidence: 99%

“…shows the front side and the back side of the fabricated antenna. Simulated and measured S 11 and AR characteristics are depicted in Figure 8. The measured impedance bandwidths are 109.3% (1.31-4.47 GHz) and 28.5% (5.05-6.73 GHz) which absolutely cover all the CP bands with measured bandwidths of 9.7% (1.48-1.63 GHz), 37.3% (2.38-3.47 GHz), 5.1% (4.21-4.43%), 3.0% (5.25-5.41 GHz), and 3.3% (5.69-5.88 GHz).…”

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Raman amplification by employing data modulated pump signals for bi‐directional communication

Farooq

Ghafoor

2018

Micro & Optical Tech Letters

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We propose a symmetric 10 × 10 Gb/s bidirectional wavelength division multiplexed passive optical link having a length of 80‐km supported only by Raman amplification through pre‐amplified data modulated uplink channels. The conventionally ignored wavelength region of E‐band has been utilized for employing pre‐amplified data modulated Raman pumps. The proposed network allows the use of single low‐cost and low‐power amplifier for distributed Raman amplification instead of multiple high‐cost Raman laser pump modules.

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Low cost high-order Raman amplifier assisted enhanced remotely pump amplifier technology for ultra-long span OTN system

Chi

2021

Results in Physics

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Co-Propagating Dual-Order Distributed Raman Amplifier Utilizing Incoherent Pumping

Cited by 27 publications

References 18 publications

RIN Mitigation and Transmission Performance Enhancement With Forward Broadband Pump

RIN Mitigation and Transmission Performance Enhancement With Forward Broadband Pump

Raman amplification by employing data modulated pump signals for bi‐directional communication

Low cost high-order Raman amplifier assisted enhanced remotely pump amplifier technology for ultra-long span OTN system

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