POWER OF ATTORNEY

I, John M. Brots, 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 for Tellabs, Inc. 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 for any reason, resign or refuse to act.

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/ John M. Brots
___________________________________________
John M. Brots

State of Illinois              )
		       	       ) SS
County of Kane	               )


NOTARY

The undersigned, a notary public in and for the above county and state, this
21st day of April, 2009, certifies that John M. Brots, known to me
to be the same person whose name is subscribed to the foregoing Power of
Attorney, appeared before me in person and acknowledged signing and
delivering said document as his/her free and voluntary act, for the uses and
purposes therein set forth.


/s/ Mary T. McShane
___________________________________________
Notary Public