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该论文提出了一种用于10Gb/s无源光网络（10G-EPON）的突发模式激光二极管驱动器（BLDD），通过在激光器关闭时实现94%的功耗降低，同时保持光发射功率低于-45dBm并满足晶体管击穿条件。该电路能在16ns内从关闭状态恢复到工作状态，比先前报道的突发模式发射器快46倍，从而实现了高效的逐突发节能。
A burst-mode laser diode driver circuit (BLDD) for 10Gb/s-class passive optical network (10G-EPON) systems reduces power consumption by 94% while the laser diode (LD) is in the off state. The off-state optical launch power is kept at less than -45dBm [1] while meeting the transistor breakdown condition. The BLDD recovers to the active state within 16ns, which is 46× faster than that of a previously reported burst-mode transmitter [2], and the fast recovery makes efficient burst-by-burst power saving possible. Reducing power consumption is a pressing issue for communications network systems [3]. This is especially true for PON systems, whose power consumption is proportional to the number of subscriber optical network units (ONU). To address this issue, sleep-based power saving has been discussed and investigated in IEEE 802.3az [4]. A simple approach for power saving is to shut down the transmitter while allocating no upstream optical burst [5]. However, since the
Hiroshi Koizumi, Minoru Togashi, Masafumi Nogawa, Yusuke Ohtomo
NTT, Atsugi, Japan