POWER OF ATTORNEY

POWER OF ATTORNEY

I, Thomas P. Minichiello, of 1415 West Diehl Road, Naperville, Illinois
60563, hereby appoint each of James Sheehan of 1415 West Diehl Road,
Naperville, Illinois 60563, Paul Liebenson of 1415 West Diehl Road,
Naperville, Illinois 60563 and Angie Daum of 1415 West Diehl Road,
Naperville,Illinois 60563, as attorney-in-fact to act for me and in my
name for the purpose of completing, signing and filing, in my name and
on my behalf, any of the following forms pursuant to the terms of Securities
Exchange Act of 1934 and the Securities Act of 1933:


	Form 3 - Initial Statement of Beneficial Ownership of Securities

	Form 4 - Statement of Changes of Beneficial Ownership of Securities

	Form 5 - Annual Statement of Beneficial Ownership of Securities

	Form 144 - Notice of Proposed Sale of Securities


This power shall become effective on April 30, 2009, and shall continue in
effect until terminated in writing by me or until either of my attorneys-in-fact
shall die, become legally disabled, terminate their employment with Tellabs,
Inc. or its subsidiaries forany reason, resign or refuse to act (only as applies
to such person, this power shall otherwise remain in force for the remaining
attorneys-in-fact).

I am fully informed as to all the contents of this form and understand the
full import of this grant of powers to either of my attorneys-in-fact.

This Power of Attorney shall supersede any previously granted power related to
the subject matter herein.


/s/ Thomas P. Minichiello
___________________________________________
Thomas P. Minichiello


State of Illinois         )
		          ) SS
County of Kane            )


NOTARY

The undersigned, a notary public in and for the above county and state,
this 21stday of April, 2009, certifies that Thomas P. Minichiello, known
to me to be the same person whose name is subscribed to the foregoing Power
of Attorney, appearedbefore me in person and acknowledged signing and
delivering said document ashis/her free and voluntaryact, for the uses
and purposes therein set forth.

/s/ Mary T. McShane
___________________________________________
Notary Public