光学学报
光學學報
광학학보
ACTA OPTICA SINICA
2003年
z1期
173-174
,共2页
We developed a compact fiber-pigtailed 256-channel AWG module with 1.5% △ waveguides.By monolithically integrating spot-size converters with input/output waveguides, we achieved a lowinsertion loss of 2.6-4.1 dB with a low background crosstalk of -40 dB.