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Journal Article All-optical wavelength conversion in SOA-based Mach–Zehnder interferometer with monolithically integrated loss-coupled DFB laser diode
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Authors
Hyun-Soo Kim, Jong-Hoi Kim, Eun Deok Sim, Yong Soon Baek, Kang Ho Kim, Oh Kee Kwon, Kwang-Ryong Oh
Issue Date
2004-05
Citation
Semiconductor Science and Technology, v.19, no.5, pp.574-578
ISSN
0268-1242
Publisher
Institute of Physics (IOP)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1088/0268-1242/19/5/004
Abstract
We demonstrated monolithic integration of a continuous wave probe source consisting of a loss-coupled distributed feedback laser diode (DFB LD) and a Mach-Zehnder interferometric wavelength converter. The integrated device was fabricated using a modified buried ridge stripe (BRS) structure with an undoped InP clad layer on the top of a passive waveguide to reduce high propagation loss. A propagation loss in the passive waveguide as low as 5.29 짹 0.92 dB cm-1 was achieved. For the first time, wavelength conversion at 10 Gb s-1 was achieved with an extinction ratio of 7 dB and a power penalty of 2.8 dB at a 10-9 bit error rate. The proposed BRS structure is very useful for fabrication of photonic integrated circuits consisting of monolithic integration of active and passive waveguides.
KSP Keywords
Active and passive, All-optical wavelength conversion(WC), Bit Error Rate(And BER), Clad layer, DFB laser, Distributed feedback laser diode, Distributed feedback lasers(DFBs), First Stokes(S1), Laser diode(LD), Mach-Zehnder(MZ), Monolithic Integration