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A novel optical buffer memory with a shift register function is proposed. 10 Gbit/s optical buffering has been successfully demonstrated using 980 nm VCSELs. We have also demonstrated polarization bistability and all-optical flip-flop operation in 1.55 mum VCSELs.
A novel wavelength division multiplexing - radio over fiber scheme is proposed with multi optical carrier suppression for simultaneous wired and wireless 1.25 Gbps signal transmission. Many modes of a FP-LD are simultaneously carrier suppressed by Mach-Zehnder modulator and each channel is modulated by a reflective semiconductor optical amplifier. A BER of 10-11 for three channels at 1.25 Gbps are...
We report an experimental demonstration of prototype all-optical flip-flop operation of a conventional cylindrical shaped 1.55-mum wavelength single-mode vertical cavity surface emitting laser (VCSEL) based on polarization-switching under external laser beam injection. Two injection beams with orthogonal polarizations were used to control the output beam pattern of the slave VCSEL. The polarized beam...
A coupled ring reflector laser diode is successfully fabricated and it is demonstrated that the laser diode can provide about 10 nm tuning with a side mode suppression ratio exceeding 20 dB.
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