All-optical flip-flop memory using SOA-based modelocked ring lasers with optical feedback

被引：1
|
作者：
Yang, X. [1 ]
Dorren, H. [2 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China
[2] Eindhoven Univ Technol, COBRA Res Inst, NL-5600 MB Eindhoven, Netherlands
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 14期
关键词：
All-optical - Bi-stability - Central wavelength - Contrast ratio - External cavity - Laser cavity - Mode locked ring laser - Modelocking - Pulsewidths - Short pulse - Switching power;
D O I：
10.1049/el.2010.1136
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An all-optical flip-flop memory is built-up based on two ring lasers, where a semiconductor optical amplifier (SOA) is shared in two laser cavities. The flip-flop outputs short pulses that have tunable central wavelengths, a pulsewidth of 1.5 ps (FWHM) at 10 GHz, generated by actively modelocking using phase modulation. Bistability of the flip-flop is observed by introducing optical feedback via an external cavity. The static contrast ratio of the device is over 20 dB between the dominating and suppressed states and the switching power is as low as -18 dBm.
引用
收藏
页码：1016 / U84
页数：2
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