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Chin. Opt. Lett.
 Home  List of Issues    Issue 10 , Vol. 15 , 2017    10.3788/COL201715.100604


Self-seeded quantum-dash laser based 5 m–128 Gb/s indoor free-space optical communication
M. A. Shemis1, A. M. Ragheb2, E. Alkhazraji3, M. A. Esmail2, H. Fathallah4, S. Alshebeili2;5, and M. Z. M. Khan1
1 Optoelectronics Research Laboratory, Electrical Engineering Department, [King Fahd University of Petroleum and Minerals], Dhahran 31 261 , Saudi Arabia
2 [KACST-TIC in Radio Frequency and Photonics for the e-Society (RFTONICS)], Riyadh 1142 1, Saudi Arabia
3 Department of Electrical and Electronics Engineering Technology, [Jubail Industrial College], Jubail 3 1951, Saudi Arabia
4 Computer Department of the College of Science of Bizerte, [University of Carthage], Tunis 1054 , Tunisia
5 Electrical Engineering Department, [King Saud University], Riyadh 11421, Saudi Arabia

Chin. Opt. Lett., 2017, 15(10): pp.100604

DOI:10.3788/COL201715.100604
Topic:Fiber optics and optical communication
Keywords(OCIS Code): 060.2605  250.5590  140.5960  140.3520  

Abstract
We demonstrate an indoor 5 m free-space optical wireless coherent communication in mid L-band (1606.7 nm) by employing a tunable self-seeded InAs/InGaAlAs/InP quantum-dash (Qdash) laser as a subcarrier generator for 128 Gb/s dual-polarization quadrature phase shift keying (DP-QPSK) modulation signal. The bare Qdash laser diode displays ~6 nm self-locked Fabry–Perot mode tunability with ~30 dB side mode suppression ratio (SMSR) and ~10 dBm mode power across the tuning range, thus encompassing ~10 modes with an achievable capacity of 1.28 Tb/s (10×128 Gb/s) and potentially qualifying the source requirements for future access networks.

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Received:2017/6/13
Accepted:2017/8/11
Posted online:2017/9/4

Get Citation: M. A. Shemis, A. M. Ragheb, E. Alkhazraji, M. A. Esmail, H. Fathallah, S. Alshebeili, and M. Z. M. Khan, "Self-seeded quantum-dash laser based 5 m–128 Gb/s indoor free-space optical communication," Chin. Opt. Lett. 15(10), 100604(2017)

Note: This work was supported in part by King Fahd University of Petroleum and Minerals through the KAUST004 grant, in part by King Saud University, Deanship of Scientific Research through the RG-1438-092 grant, and in part by KACST-TIC in SSL. M. Z. M. K gratefully acknowledges contributions from Prof. B. S. Ooi, Dr. T. K. Ng, Prof. P. Bhattacharya, and Dr. C-S. Lee.



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