function?ampliflat（xatypeoptions）

%AMPLIFLAT?Ideal?Optical?amplifier?with?ASE?noise.
%???AMPLIFLAT（XATYPE）?amplifies?the?optical?field.?ATYPE?is?a?string?????
%???equal?to?‘gain‘?if?the?amplifier?has?a?flat?power?gain?equal?to?X?[dB].
%???Otherwise?ATYPE?can?be?‘fixpower‘?if?the?amplifier?takes?the?gain?so
%???as?to?have?an?output?average?power?for?channel?ceil（Nch/2）?equal?
%???to?X?[mW]?Nch?being?the?number?of?channels.
%???This?options?works?only?with?channels?separated?（see?CREATE_FIELD）.
%
%???AMPLIFLAT（XATYPEOPTIONS）?has?the?additional?variable?OPTIONS?to
%???insert?the?amplified?spontaneous?emission?（ASE）?noise.
%???OPTIONS?is?a?structure?whose?fields?can?be:
%
%???OPTIONS.f:?????[dB]?is?the?optical?ASE?noise?figure?which?corresponds?
%??????????????????to?a?one-sided?ASE?power?spectral?density?on?two?
%??????????????????polarizations?N0?=?F*（Gain-1）*h*nu?with?Gain?the?
%??????????????????amplifier?gain?h?the?Planck‘s?constant?and?nu?the?
%??????????????????channel?central?frequency.
%??????????????????Hence?ASE?power?on?a?frequency?band?B?is?Pase?=?N0*B.
%???OPTIONS.asepol:If?it‘s?‘a(chǎn)sex‘?allows?to?force?to?zero?the?ASE?noise?
%??????????????????added?to?GSTATE.FIELDY?while?for?‘a(chǎn)sey‘?allows?to?force
%??????????????????to?zero?the?noise?added?to?GSTATE.FIELDX.
%???OPTIONS.noise:?A?matrix?containing?user‘s?defined?complex?unit
%??????????????????variance?and?zero?mean?Gaussian?ASE?noise?samples.?
%??????????????????OPTIONS.noise?must?have?the?same?size?of?
%??????????????????[GSTATE.FIELDX?GSTATE.FIELDY]?and?must?be?read?in?that?
%??????????????????way.
%
%???If?the?amplifier?does?not?generate?ASE?noise?don‘t?set?OPTIONS.
%???
%???Note:?AMPLIFLAT?assumes?the?same?gain?for?both?polarizations.?
%
%???Author:?Paolo?Serena?2009
%???University?of?Parma?Italy

%????This?file?is?part?of?Optilux?the?optical?simulator?toolbox.
%????Copyright?（C）?2009??Paolo?Serena?
%			?
%????Optilux?is?free?software;?you?can?redistribute?it?and/or?modify
%????it?under?the?terms?of?the?GNU?General?Public?License?as?published?by
%????the?Free?Software?Foundation;?either?version?3?of?the?License?or
%????（at?your?option）?any?later?version.
%
%????Optilux?is?distributed?in?the?hope?that?it?will?be?useful
%????but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
%????MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the
%????GNU?General?Public?License?for?more?details.
%
%????You?should?have?received?a?copy?of?the?GNU?General?Public?License
%????along?with?this?program.??If?not?see?.

global?CONSTANTS;??%?physical?constants:?a?structure?defined?in?reset_all.m
global?GSTATE???%?GSTATE?is?a?structure?whose?fields?are?defined?in?reset_all.m

HPLANCK?=?CONSTANTS.HPLANCK;??????%?Planck‘s?constant?[J*s]
CLIGHT?=?CONSTANTS.CLIGHT;??????%?speed?of?light?[m/s]

[nfrnfc]?=?size（GSTATE.FIELDX）;????%?if?nfc?==?1?there?is?only?one?field?

atype?=?lower（atype）;
switch?atype
????case?‘gain‘
?

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2009-03-16?10:47??optilux_v0.1\
?????文件????????6255??2009-03-19?14:48??optilux_v0.1\offmat
?????文件???????35147??2009-03-19?14:48??optilux_v0.1\COPYING
?????文件????????2355??2009-03-19?14:48??optilux_v0.1\README
?????目錄???????????0??2009-03-19?14:48??optilux_v0.1\Optilux_files\
?????文件????????8386??2009-03-19?14:48??optilux_v0.1\Optilux_files\dop_meter.m
?????文件????????2609??2009-03-19?14:48??optilux_v0.1\Optilux_files\samp2pat.m
?????文件????????6810??2009-03-19?14:48??optilux_v0.1\Optilux_files\eval_polar.m
?????文件????????7524??2009-03-19?14:48??optilux_v0.1\Optilux_files\ampliflat.m
?????文件????????1271??2009-03-19?14:48??optilux_v0.1\Optilux_files\phase_modulator.m
?????文件????????8734??2009-03-19?14:48??optilux_v0.1\Optilux_files\receiver_dpsk.m
?????文件????????1092??2009-03-19?14:48??optilux_v0.1\Optilux_files\nmod.m
?????文件????????7434??2009-03-19?14:48??optilux_v0.1\Optilux_files\printfield.m
?????文件????????5419??2009-03-19?14:48??optilux_v0.1\Optilux_files\saddle.c
?????文件????????1842??2009-03-19?14:48??optilux_v0.1\Optilux_files\fastshift.m
?????文件????????1644??2009-03-19?14:48??optilux_v0.1\Optilux_files\lpfilter.m
?????文件????????2034??2009-03-19?14:48??optilux_v0.1\Optilux_files\mdoc.m
?????文件????????2774??2009-03-19?14:48??optilux_v0.1\Optilux_files\ber2q.m
?????文件????????8443??2009-03-19?14:48??optilux_v0.1\Optilux_files\lasersource.m
?????文件????????4461??2009-03-19?14:48??optilux_v0.1\Optilux_files\optfilter.m
?????文件????????3076??2009-03-19?14:48??optilux_v0.1\Optilux_files\mz_modulator.m
?????文件????????3511??2009-03-19?14:48??optilux_v0.1\Optilux_files\pat_decoder.m
?????文件??????????73??2008-11-25?11:12??optilux_v0.1\Optilux_files\.directory
?????文件????????2335??2009-03-19?14:48??optilux_v0.1\Optilux_files\chan_delay.m
?????文件????????3114??2009-03-19?14:48??optilux_v0.1\Optilux_files\pat_encoder.m
?????文件????????1515??2009-03-19?14:48??optilux_v0.1\Optilux_files\comp_mex.m
?????文件???????27580??2009-03-19?14:48??optilux_v0.1\Optilux_files\ber_kl.m
?????文件????????1792??2009-03-19?14:48??optilux_v0.1\Optilux_files\fprintfmsg.m
?????文件????????4891??2009-03-19?14:48??optilux_v0.1\Optilux_files\corrdelay.m
?????文件???????12044??2009-03-19?14:48??optilux_v0.1\Optilux_files\best_sp.m
?????文件????????4319??2009-03-19?14:48??optilux_v0.1\Optilux_files\pow2phi.m
............此處省略551個(gè)文件信息