TY - JOUR
T1 - Optically injection-locked 1.55-μm VCSELs as upstream transmitters in WDM-PONs
AU - Wong, Elaine
AU - Zhao, Xiaoxue
AU - Chang-Hasnain, Connie J.
AU - Hofmann, Werner
AU - Amann, Markus C.
PY - 2006/11/15
Y1 - 2006/11/15
N2 - The wavelength-division-multiplexed passive optical network is actively being developed to meet the ever-increasing bandwidth demands of end users in a cost-effective and future-proof manner. In this work, we propose a novel scheme that utilizes injection-locked 1.55-μm vertical-cavity surface-emitting lasers (VCSELs) for operation as low-cost, stable, directly modulated, and potentially uncooled upstream transmitters, whereby the injection-locking master source is furnished by modulated downstream signals. Our scheme eliminates the need for external injection-locking optical sources, external modulators, and wavelength stabilization circuitry. We show through experiments that the injection-locked VCSEL favors low injection powers and responds only strongly to the carrier but not the modulated data of the downstream signal, with good upstream transmission performance obtained over 25-km fiber.
AB - The wavelength-division-multiplexed passive optical network is actively being developed to meet the ever-increasing bandwidth demands of end users in a cost-effective and future-proof manner. In this work, we propose a novel scheme that utilizes injection-locked 1.55-μm vertical-cavity surface-emitting lasers (VCSELs) for operation as low-cost, stable, directly modulated, and potentially uncooled upstream transmitters, whereby the injection-locking master source is furnished by modulated downstream signals. Our scheme eliminates the need for external injection-locking optical sources, external modulators, and wavelength stabilization circuitry. We show through experiments that the injection-locked VCSEL favors low injection powers and responds only strongly to the carrier but not the modulated data of the downstream signal, with good upstream transmission performance obtained over 25-km fiber.
KW - Optical injection-locking
KW - Passive optical networks (PONs)
KW - Vertical-cavity surface-emitting lasers (VCSELs)
KW - wavelength-division multiplexing (WDM)
UR - http://www.scopus.com/inward/record.url?scp=37849189795&partnerID=8YFLogxK
U2 - 10.1109/LPT.2006.885292
DO - 10.1109/LPT.2006.885292
M3 - Article
AN - SCOPUS:37849189795
SN - 1041-1135
VL - 18
SP - 2371
EP - 2373
JO - IEEE Photonics Technology Letters
JF - IEEE Photonics Technology Letters
IS - 22
ER -