نتایج جستجو برای: add drop filter
تعداد نتایج: 222226 فیلتر نتایج به سال:
An integrated OADM has been realised in a high index contrast polymer technology, exhibiting low switching power, polarisation insensitivity and low cross talk values. Two OADM’s combined into one OXC fit on a single wafer.
We have demonstrated all-optical packet add-drop for all-optical packet-switched networks. Intelligent all-optical add-drop of packets is performed, based on all-optical processing of packet headers. The header and payload rates are 5 and 10 Gbits/s, respectively.
Introduction: 160 Gbit=s optical time domain multiplexing (OTDM) technology is only interesting if full add-drop functionality can be realised on the existing fibre infrastructure [1]. A 160 Gbit=s OTDM add-drop node based on the gain transparent ultrafast nonlinear interferometer (GT-UNI) has been demonstrated under laboratory conditions [2]. In this Letter we present a 160 Gbit=s OTDM network...
We propose and demonstrate a multistage design for microphotonic add-drop filters that provides reduced drop-port loss and relaxed tolerances for achieving high in-band extinction. As a result, the first microring-resonator filters with a rectangular notch stopband in the through port (to our knowledge) are shown, with extinctions exceeding 50 dB. Reaching 30 dB beyond previous results, without...
We propose a novel tunable optical add/drop multiplexer, based on Asymmetric Bragg Coupler and the liquid crystal as the active layer. Such device provides the features of small size, wide tuning range, narrow channel bandwidth, low electric power, high tuning speed, and simple control mechanisms. The transmission bandwidth is about 32.5GHz and the tunable range is about 250GHz.
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