物联网技术
物聯網技術
물련망기술
INTERNET OF THINGS TECHNOLOGIES
2013年
5期
49-51
,共3页
复式晶格%调制器%太赫兹波%四波长
複式晶格%調製器%太赫玆波%四波長
복식정격%조제기%태혁자파%사파장
compound lattice%modulator%THz wave%four-wavelength
给出的基于复式晶格光子晶体的太赫兹波调制器是一种用数字基带信号对太赫兹载波进行强度调制的外调制器.该调制器利用复式晶格一个点缺陷可同时调制两个缺陷模的特点来同时控制四束不同太赫兹波的传输,从而实现对太赫兹载波的通、断调制.这种基于复式晶格光子晶体的调制器具有光子禁带大、体积小巧等许多优点.
給齣的基于複式晶格光子晶體的太赫玆波調製器是一種用數字基帶信號對太赫玆載波進行彊度調製的外調製器.該調製器利用複式晶格一箇點缺陷可同時調製兩箇缺陷模的特點來同時控製四束不同太赫玆波的傳輸,從而實現對太赫玆載波的通、斷調製.這種基于複式晶格光子晶體的調製器具有光子禁帶大、體積小巧等許多優點.
급출적기우복식정격광자정체적태혁자파조제기시일충용수자기대신호대태혁자재파진행강도조제적외조제기.해조제기이용복식정격일개점결함가동시조제량개결함모적특점래동시공제사속불동태혁자파적전수,종이실현대태혁자재파적통、단조제.저충기우복식정격광자정체적조제기구유광자금대대、체적소교등허다우점.
The paper provides a THz wave modulator base on compound lattice photonic crystal, which is an external modulator using digital baseband signal to conduct intensity modulation to the carrier wave of THz wave. The modular could control the transportation of four different THz wave simultaneously by taking the advantage of the characteristic of compound lattice that one point defect could modulate two defect modes. Thus realizing the on-off modulation of the THz wave. This modulator has the advantages of wider photonic band gap and smaller volume.
