13 February 2016 High-power and narrow-linewidth tunable distributed-reflector laser
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Deployment of digital coherent transmission technologies to metro networks drives the use of higher-order modulation formats such as PDM-16QAM and downsizing of optical transceivers. A narrow-linewidth (<300 kHz) tunable laser with high output power (>+17 dBm) is very attractive for such purposes, not only because it can compensate for the modulation loss increase caused by a high-peak-to-average ratio of the electrical driving signal of higher-order modulation formats, but also because it can be shared between transmitter and receiver saving the foot-print and power dissipation. This paper reviews the Tunable Distributed Amplification — Chirped Sampled Grating — Distributed Reflector (TDA-CSG-DR) laser being developed for metro application.
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Toshimitsu Kaneko, Toshimitsu Kaneko, Hiroyuki Matsuura, Hiroyuki Matsuura, Ken Tanizawa, Ken Tanizawa, Katsumi Uesaka, Katsumi Uesaka, } "High-power and narrow-linewidth tunable distributed-reflector laser", Proc. SPIE 9773, Optical Metro Networks and Short-Haul Systems VIII, 97730A (13 February 2016); doi: 10.1117/12.2211938; https://doi.org/10.1117/12.2211938

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