Photonics Research, 2018, 6 (5): 05000463, Published Online: Jul. 6, 2018
InP-based directly modulated monolithic integrated few-mode transmitter Download: 522次
Abstract
A monolithic integrated few-mode transmitter comprising of two directly modulated distributed feedback lasers and a multimode-interference-coupler-based mode converter-multiplexer with 66% mode conversion efficiency was designed and demonstrated. A fundamental TE 0 mode and a first-order TE 1 mode were successfully generated from the transmitter, with the output power of 4 and 5.5 mW at a pump current of around 150 mA, respectively, at the common output port. The small signal modulation bandwidth of the TE 0 and TE 1 channels reached 17.4 and 14.7 GHz, respectively. Error-free 2 × 10 - Gbit / s direct modulation of the two-mode transmitter was demonstrated, with a power penalty of 4.3 dB between the TE 0 mode and the TE 1 mode at the bit error rate of 1 × 10 9 .
Zhaosong Li, Dan Lu, Yiming He, Fangyuan Meng, Xuliang Zhou, Jiaoqing Pan. InP-based directly modulated monolithic integrated few-mode transmitter[J]. Photonics Research, 2018, 6(5): 05000463.