eaf lower limit proposal - ieeegrouper.ieee.org/groups/802/3/bv/public/may_2015/... ·...

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A proposal of launch condi0on at TP2 Satoshi Takahashi POF promo0on 2015. 5. 19 PMD Adhoc IEEE 802.3 PiFsburgh Interim

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Page 1: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

A  proposal  of  launch  condi0on  at  TP2

Satoshi  Takahashi    

POF  promo0on

2015.  5.  19 PMD  Ad-­‐hoc IEEE  802.3  PiFsburgh  Interim

Page 2: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

Source:  Presenta0on  by  Mr.  Kobayashi  in  Berlin,  March  2015

Page 3: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

Encircled  Angular  Flux  of  Equilibrium  Mode  Distribu0on  of  Commercially  Available  A4a.2  POFs

0.0

0.2

0.4

0.6

0.8

1.0

0 5 10 15 20 25 30 35

EAF

Angle (deg.)

POF EMDデータ数:24 (4品種)4  products  from      3  manufactures,  Total  24  samples  

Adopt  Equilibrium  Mode  Distribu0on  (EMD)  of    A4a.2  POF  as  the  launch  condi0on  

Page 4: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

Encircled Angular Flux

Page 5: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

AFenua0on  measured  under  EMD  launch  condi0on  

Inser0on  loss  technique

(A4a.2  spec.:  18  dB/100m                                              under  EMD)

Page 6: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

Bandwidth  measured  under  EMD  launch  condi0on  

Extrapolated  bandwidth  @  100m:    44.4  MHz  

 (A4a.2  spec.:  40  MHz  

                                           under  RML)

Page 7: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

Basis  of  calcula0on  by  KDPOF  (?)

Source:  Tutorial  at  IEEE  802.3  San  Antonio  plenary  mee0ng

Page 8: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

• Length  dependence  is        similar  to  that  of        EMD  launch  by        KDPOF    • Values  are  higher          than  those  of        EMD  launch  by  KDPOF              →  we  will  have                            some  margin    

Page 9: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

Encircled  Angular  Flux  of  FOTs    measured  at  TP2

AVAGO  FOT    in  Yazaki  Connector

=  Measured  highest  EMD =  Measured  lowest  EMD

Page 10: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

EAF  template  proposal Angle  (deg.) EAF

5   0.041

10 0.161

15 0.356

20 0.610

25 0.858

30 0.966

Page 11: EAF lower limit proposal - IEEEgrouper.ieee.org/groups/802/3/bv/public/May_2015/... · EAF"template"proposal Angle(deg.) EAF 5 0.041 10 0.161 15 0.356 20 0.610 25 0.858 30 0.966 EAFofFOTs

EAF  of  FOTs